Intec Controls MSR ELECTRONIC PolyGard AT-1193 Manuel utilisateur

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Specication subject to change without notice.

Printed in USA 140403

April 03, 2014 – Revision

Polygard® is a registered trademark of MSR GAADT531193_E_1011.pdf

PolyGardAT-1193

Electrochemical Chlorine Transmitter

Serial No. AT03-005

User Manual

October 2011

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PolyGard®is a registered trademark of MSR-Electronic GmbH | GAADT531193_E_1011

January 04, 2016 – Revision

INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com

February 11, 2020 – Revision

Customer Services (858) 578-7887 & (888) GO INTEC

INTEC Controls, 12700 Stowe Dr., Suite 100, Poway, CA 92064

Fax (858) 578-4633 & (888) FX INTEC

www.inteccontrols.com

Specication subject to change without notice.

Printed in USA 140403

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PolyGard®CL2Gas Transmitter

User Manual - AT-1193 Page 02

1 Intended Use........................................................................................................................................3

2 Functional Description .......................................................................................................................3

2.1 Control Mode...............................................................................................................................3

2.2 Sensor .........................................................................................................................................3

3 Installation .............................................................................................................................................. 4

3.1 Mounting Instructions .................................................................................................................... 4

3.2 Installation ...................................................................................................................................... 4

4 Electrical Connection..........................................................................................................................4

4.1 Wiring Connection.......................................................................................................................5

5 Commissioning ...................................................................................................................................... 5

5.1 Correction of the Zero-point at the Analog Output Signal............................................................5

5.2 Calibration ...................................................................................................................................6

5.2.1 Zero-point ................................................................................................................................6

5.3.2 Gain .........................................................................................................................................6

5.3.3 Calculation of Control Voltage .................................................................................................6

5.4 Option Relay Output....................................................................................................................7

6Inspection and Service ......................................................................................................................... 7

6.1 Inspection....................................................................................................................................7

6.2 Service and Calibration ...............................................................................................................7

6.3 Exchange of Sensor Element......................................................................................................8

7Troubleshooting..................................................................................................................................... 8

7.1 Analog Mode ...............................................................................................................................8

8 Cross-sensitivity Data.........................................................................................................................8

9 Technical Data.....................................................................................................................................9

10 Figures ..................................................................................................................................................11

11 Part Disposal .....................................................................................................................................13

12 Notes andGeneral Information.......................................................................................................... 13

12.1 Intended Product Application.................................................................................................13

12.2 Installers’ Responsibilities .....................................................................................................13

12.3 Maintenance ..........................................................................................................................13

12.4 Limited Warranty....................................................................................................................13

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INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com

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AT-1193 V3 – UserManual

Customer Services (858) 578-7887 & (888) GO INTEC

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Fax (858) 578-4633 & (888) FX INTEC

www.inteccontrols.com

Specication subject to change without notice.

Printed in USA 140403

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PolyGard®CL2Gas Transmitter

User Manual - AT-1193 Page 03

Electrochemical Chlorine Transmitter

1 Intended Use

The PolyGard Cl analog/digital gas transmitter AT-1193 with digital processing of the measuring values and

temperature compensation is used for the continuous monitoring of the ambient air to detect the presence

Chlorine gas. Main application ranges are waterworks, sewage plants, swimming pools etc.

The intended sites are all areas being directly connected to the public low voltage supply, e.g.

residential,

commercial and industrial ranges as well as small enterprises (according to EN50 082).

The PolyGard® Cl2 analog/digital transmitter must not be used in potentially explosive atmospheres.

The

transmitter must only be employed in areas within the environmental conditions as specified in the

Technical

Data.

2 Functional Description

2.1 Control Mode

The analog output can be selected as current signal with (0)4-20 mA or as voltage signal (0)2-10 V. In the 4-

mA mode and without any supplementary options, the AT-1193 also works in the 2-wire technique.

2.2 Sensor

The sensor portion of the transmitter is a sealed electro-chemical cell with three electrodes, sensing,

counter

and reference. The ambient air to be monitored diffuses through a membrane filter into the liquid

electrolyte of

the sensor. The chemical process of the measurement is one of reduction where one

molecule of the target

gas is exchanged for one molecule of oxygen. The reaction drives the oxygen

molecule to the counter

electrode, generating a DC microampere signal between the sensing and

reference electrodes. This signal is

linear to the volume concentration of the sensed gas. The signal is

evaluated by the connected amplifier and

transformed into a linear output signal.

Electrochemical processes always lead by and by to a loss of sensitivity. Therefore regular calibration of

zero-

point and gain is obligatory. See also section 6.

Caution:

There is a small quantity of corrosive liquid in the sensor element. If in case of damage persons or

objects

touch the liquid, you have to clean the affected areas as fast and carefully as possible with tap

water. Out of

use sensors must be disposed in the same way as batteries.

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AT-1193 V3 – UserManual

Customer Services (858) 578-7887 & (888) GO INTEC

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Fax (858) 578-4633 & (888) FX INTEC

www.inteccontrols.com

Specication subject to change without notice.

Printed in USA 140403

Polygard® is a registered trademark of MSR GAADT531193_E_1011.pdf

PolyGard®CL2Gas Transmitter

User Manual - AT-1193 Page 04

3 Installation

Note: Avoid any force (e.g. by thumb) on the sensor element during operation or installation. Electronics

can

be destroyed by static electricity. Therefore, do not touch the equipment without a wrist strap connected

ground or without standing on a conductive floor (acc. to DIN EN100015).

3.1 Mounting Instructions

When choosing the mounting site please pay attention to the following:



The specific weight of Chlorine CL2 is higher than that of air (factor 2.4).

Recommended mounting height is 0.2 m (0.7 ft.) to 0.3 m (1 ft.) above floor.



Choose mounting location of the sensor according to the local regulations.



Consider the ventilation conditions. Do not mount the transmitter in the center of the airflow

(air

passages, suction holes).



Mount the transmitter at a location with minimum vibration and minimum variation in

temperature

(avoid direct sunlight).



Avoid locations where water, oil etc. may influence proper operation and where mechanical

damage

might be possible.



Provide adequate space around the sensor for maintenance and calibration work.

Duct mounting



Mount only in a straight section of duct with minimum air vortex. Keep a minimum distance of 1 m

(3.5

feet) from any curve or obstacle.



Mount only in a duct system with a maximum air velocity of 10 m/s (2000 ft/min) or less.



Mounting must be performed so that the probe openings are in line with the airflow.

3.2 Installation



Open the cover. Unplug basic PCB carefully from the bottom part.



Fix bottom part by screws vertically to the wall (terminal blocks to the ground).



Replug the basic PCB at X4 and X5 with care. Replace the cover.

4 Electrical Connection

Consider static electricity See 3. Mounting



Installation of the electrical wiring should only be executed by a trained specialist according to

the

connection diagram, without any power applied to conductors and according to the

corresponding

regulations



Avoid any influence of external interference by using shielded cables for the signal line, but do

not

connect the shield.



Recommended cable for analog mode: J-Y(St)Y 2x2x0.8 LG (20 AWG), max. loop resistance 73

/km

(20.8 /1000 ft).



It is important to ensure that the wire shields or any bare wires do not short the mounted PCB.

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INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com

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AT-1193 V3 – UserManual

Customer Services (858) 578-7887 & (888) GO INTEC

INTEC Controls, 12700 Stowe Dr., Suite 100, Poway, CA 92064

Fax (858) 578-4633 & (888) FX INTEC

www.inteccontrols.com

Specication subject to change without notice.

Printed in USA 140403

Polygard® is a registered trademark of MSR GAADT531193_E_1011.pdf

PolyGard®CL2Gas Transmitter

User Manual - AT-1193 Page 05

4.1 Wiring Connection



Open the cover. Unplug basic PCB carefully from terminal blocks X4 and X5.



Insert the cable and connect cable leads to terminal blocks. See fig. 1.



Replug the PCB in the terminal blocks X4, X5 with care. Replace the cover.

Note: The connection of the power supply at the output signal (X4 pin 4) can destroy the transmitter.

5 Commissioning

Consider commissioning instructions at any exchange of the sensor element as well.

Only trained technicians should perform the following:



Check mounting location.



Select output signal form: Current or voltage, and starting point 0 or 20%. See fig. 4.



Check power voltage.



Check PCB AT03 for correct mounting at X4 and X5.

Required instruments for commissioning (calibration) of the transmitter:



Test gas bottle with synthetic air (20 % O2, 80 % N) or chlorine-free ambient air.



Test gas bottle with Cl2 (ppm) in the range of 30 – 70 % of the measuring range. Rest is synthetic air.



Gas pressure regulator with flow meter to control the gas flow to 150 ml/min.



Calibration adapter with tube. Calibration set CONKIT-E/CH-AT. See fig. 5.



Digital voltmeter with range 0 – 300 mV, accuracy 1%.



Small screwdriver.

Note:

Prior to calibration the sensor must be connected to the power supply and fully stabilized for at least 6

hours

without interruption.

Please observe proper handling procedures for test gas bottles!

Attention: CL2 calibration gas is toxic, never inhale the gas

Symptoms: Chemical burn, dizziness, headache and nausea.

Procedure if exposed: Take the victim into fresh air at once, call a doctor.

5.1 Correction of the Zero-point at the Analog Output Signal

The analog output signal is factory set to the zero-point. If necessary, a manual adaptation of the analog

signal

is possible within 10 sec. after having applied the supply voltage.



Jumper 0-20 % for signal start has to be set (= 4 mA or 2 V).



Connect digital voltmeter (300 mV) at test pint “Test” (measuring signal ~ 40 mV = 4.0 mA).



Switch on the operating voltage.



Each pressing on the “Zero” push-button increases the signal by + 0.5 mV (0.05 mA). Press the

button

repeatedly until the measuring signal reaches 40 ± 0.2 mV. After 44mV the signal starts

again at 36

mV. The correction is only possible within the 10 seconds after having switched on the

power supply.

An impulse pause of more than 10 sec. cancels the release of the correction

function.

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INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com

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AT-1193 V3 – UserManual

Customer Services (858) 578-7887 & (888) GO INTEC

INTEC Controls, 12700 Stowe Dr., Suite 100, Poway, CA 92064

Fax (858) 578-4633 & (888) FX INTEC

www.inteccontrols.com

Specication subject to change without notice.

Printed in USA 140403

Polygard® is a registered trademark of MSR GAADT531193_E_1011.pdf

PolyGard®CL2Gas Transmitter

User Manual - AT-1193 Page 06

5.2 Calibration

Manual calibration is only possible if the transmitter is equipped with the push-button “Zero” and

the

potentiometer “Gain” (= version for manual calibration).

5.2.1 Zero-point



Connect digital voltmeter to pin “Test”.



Connect calibration adapter carefully to the sensor element.



Apply synthetic air (150 ml/min; 1 Bar (14.5 psi) ± 10%), or Chlorine (Cl2)-free ambient air.



Wait 2 minutes until the signal is stable, push button “Zero” for 5 seconds.

After successful calibration the measuring signal is corrected automatically. Depending on

the

selected signal starting point the measuring signal shows the following values:

Signal start at 2 V or 4 mA 40 mV = 0 ppm

Signal start at 0 V or 0 mA 0 mV = 0 ppm

If the zero-point is out of the admissible range (> 20 mV at starting point 0% / > 60 mV at

starting

point 20%) before calibration, there is no correction of the measuring signal. The

sensor has to be

replaced.



Remove calibration adapter carefully by turning lightly. Check the sensor for correct mounting

5.3.2 Gain



Connect digital voltmeter to pin “Test”.



Connect calibration adapter carefully to the sensor element.



Apply calibration test gas Cl2 (150 ml/min; 1 Bar (14.5 psi) ± 10%).



Wait three minutes until the signal is stable, adjust control voltage with potentiometer ”Gain” until

the

signal corresponds to the calculated value ± 2 mV, see “5.3.3 Calculation of Control Voltage”.



Remove calibration adapter with a careful light turn. Check the sensor for correct mounting

By limiting the gain factor, calibration will not be possible any more when the sensitivity of the

sensor

reaches a residual sensitivity of 30 %. Then the sensor has to be replaced.

5.3.3 Calculation of Control Voltage

Signal start 2 V / 4 mA

Control voltage (mV) = 160 (mV) x test gas concentration Cl2 (ppm) + 40 (mV)

measuring range Cl2 (ppm)

Signal start 0 V / 0 mA

Control voltage (mV) = 200 (mV) x test gas concentration Cl2 (ppm)

measuring range Cl2 (ppm)

Example:

Measuring range 20 ppm

Test gas concentration 10 ppm Cl2

Control voltage: Signal start 2 V / 4 mA 120 mV

Control voltage: Signal start 0 V / 0 mA 100 mV

Signal start 2 V / 4 mA Signal start 0 V / 0 mA

160 (mV) x 10 (ppm) + 40 (mV) = 120 mV 200 (mV) x 10 (ppm) = 100

20 (ppm) 20 (ppm)

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PolyGard®is a registered trademark of MSR-Electronic GmbH | GAADT531193_E_1011

INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com

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AT-1193 V3 – UserManual

Customer Services (858) 578-7887 & (888) GO INTEC

INTEC Controls, 12700 Stowe Dr., Suite 100, Poway, CA 92064

Fax (858) 578-4633 & (888) FX INTEC

www.inteccontrols.com

Specication subject to change without notice.

Printed in USA 140403

Polygard® is a registered trademark of MSR GAADT531193_E_1011.pdf

PolyGard®CL2Gas Transmitter

User Manual - AT-1193 Page 07

5.4 Option Relay Output

The two relays are activated in dependence of the gas concentration. If the gas concentration exceeds

the

adjusted alarm threshold, the corresponding relay switches on. If the gas concentration falls below

the

threshold minus hysteresis, the relay switches off again.

The contact function for relay 2, NC (normally closed) or NO (normally open), can be selected via the

jumper

NO/NC. See fig 1 and 3. Relay 1 is equipped with a change-over contact.

Via the ModBus interface the two alarm thresholds and the hysteresis are freely adjustable at the PC within

the

measuring range. The procedure can be read from the user manual “ModBus Software”.

The following parameters are factory-set.

Alarm threshold 1 = Relay 1: 5 ppm

Alarm threshold 2 = Relay 2: 8 ppm

Switching hysteresis: 1 ppm

6 Inspection and Service

Inspection, service and calibration of the transmitters should be done by trained technicians and executed

regular intervals. We therefore recommend concluding a service contract with INTEC Controls or

one of their authorized

partners.

According to EN 45544-4, inspection and service has to be executed at regular intervals. The

maximum

intervals have to be determined by the person responsible for the gas warning system

according to the legal

requirements. INTEC Controls recommends checking the PolyGard Transmitter

every three months and maintaining it

every 12 months. If different intervals are indicated, always consider

the shortest interval.

Inspections and services must be documented. The date for the next maintenance has to be affixed to

the

transmitter.

6.1 Inspection

The PolyGard Transmitter should be checked regularly by a competent person. The

following has to be

checked in particular:



Maintenance/ calibration interval not exceeded.



Visual inspection of the transmitter including cable for damage etc.



Remove dust deposits, especially at the gas inlet.

6.2 Service and Calibration

When performing the maintenance you have to do the calibration and the functional test in addition to

the

inspection.



Calibration: See section 5.



Functional test: Check the output signal at the test pins during calibration.

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PolyGard®is a registered trademark of MSR-Electronic GmbH | GAADT531193_E_1011

INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com

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AT-1193 V3 – UserManual

Customer Services (858) 578-7887 & (888) GO INTEC

INTEC Controls, 12700 Stowe Dr., Suite 100, Poway, CA 92064

Fax (858) 578-4633 & (888) FX INTEC

www.inteccontrols.com

Specication subject to change without notice.

Printed in USA 140403

Polygard® is a registered trademark of MSR GAADT531193_E_1011.pdf

PolyGard®CL2Gas Transmitter

User Manual - AT-1193 Page 08

6.3 Exchange of Sensor Element

Consider static electricity See point 3.

Sensor should always be installed without power applied:



Unplug basic PCB AT03 carefully from the bottom part.



Unplug old sensor element from the PCB.



Take the new sensor out of the original packing.



Plug the sensor element in the PCB.



Replug the PCB AT03 in the terminal blocks X4, X5 carefully.



Calibrate according to section 5.

7 Troubleshooting

7.1 Analog Mode

Trouble Cause Solution

Output signal < 3 mA / 1,5 V

and/or control voltage < 30 mV

Jumper 0-20 % not set Check jumper position

Measure tension at X4:

only

or starting signal 2V

4 m

Power voltage not applied Two-wire: Pin 1 (+) and 4 (-)

Three-wire: Pin 1 (+) and 2 (-)

PCB AT03 not plugged in correctly at X4

and X5

Replug PCB correctly

Wire break Check the wiring

Output signal > 22 mA /220 mV Short-circuit Check the wiring

Control voltage does not reach

the calculated value

Sensor element not calibrated Calibrate sensor element

Sensor sensitivity < 30 % Replace sensor element

No reaction of the output signal

in spite of gas concentration

Power voltage not applied Measure tension at X4

Signal (Pin 4) not wired correctly Check the wiring

8 Cross-sensitivity Data

The cross sensitivity can be read from the table Technical Data (see section 9). The table doesn’t claim to

complete. Other gases can have an influence on the sensitivity, too. The indicated sensitivity data

are only

standard values referring to new sensor elements.

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INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com

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AT-1193 V3 – UserManual

Customer Services (858) 578-7887 & (888) GO INTEC

INTEC Controls, 12700 Stowe Dr., Suite 100, Poway, CA 92064

Fax (858) 578-4633 & (888) FX INTEC

www.inteccontrols.com

Specication subject to change without notice.

Printed in USA 140403

Polygard® is a registered trademark of MSR GAADT531193_E_1011.pdf

PolyGard®CL2Gas Transmitter

User Manual - AT-1193 Page 09

9 Technical Data

General sensor performances

Gas t

e Chlorine

(

Cl2

)

Sensor element Electrochemical, diffusion

Measuring range 0 - 10 ppm (factory set)

0 – 20 ppm (optional)

Temperature range - 10 °C to + 45 °C (14 °F to 113 °F)

Pressure range Atmosphere ± 15 %

Humidity 15 – 95 % RH non condensing

Storage temperature range 5 °C to 30 °C (41 °F to 86 °F)

Storage time Max. 6 months

Mounting height 0.2m (0.7ft.)

Stability & resolution ± 0,1 ppm

Repeatability ± 2 % of reading

Long-term output drift < 2% signal loss/year

Response time t90 < 90 sec.

Life expectancy > 2 years/normal operating environment

Cross sensitivity

Concentration (ppm) Reaction (ppm Cl2)

Carbon monoxide, CO 300

Hydrogen, H2300 0

Nitro

en dioxide, NO220 ~ 20

Nitrogen monoxide, NO 35 0

Sulphur dioxide, SO25

Electrical

Power supply 18 - 28 VDC/AC, reverse polarity protected

(2-

wire mode onl

VDC

)

Power consumption (without options)

Analog mode 22 mA, max. (0.6 VA)

Output signal

Analog output signal

Selectable: Current / tension

Starting point 0 / 20 %

(0) 4 – 20 mA, load





500



(0) 2 - 10 V; load ≥50 k 

proportional, overload and short-circuit proof

1 The table doesn’t claim to be complete. Other gases, too, can have an influence on the sensitivity. The mentioned cross

sensitivity

data are only reference values valid for new sensors.

Speciﬁcations subject to change without notice. | USA 140403 | Page 9of 13

12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | relevantsolutions.com/inteccontrols

AT-1193 – UserManual

Polygard® is a registered trademark of MSR | GAADT531193_E_1011.pdf

Speciﬁcations subject to change without notice. | USA 160104 | Page 9of 13

12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | relevantsolutions.com/inteccontrols

AT-1193 – UserManual

PolyGard®is a registered trademark of MSR-Electronic GmbH | GAADT531193_E_1011

INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com

Speciﬁcations subject to change without notice. | GAADT531193_E_1011 | USA 200211 | Page 9of 13

AT-1193 V3 – UserManual

Customer Services (858) 578-7887 & (888) GO INTEC

INTEC Controls, 12700 Stowe Dr., Suite 100, Poway, CA 92064

Fax (858) 578-4633 & (888) FX INTEC

www.inteccontrols.com

Specication subject to change without notice.

Printed in USA 140403

Polygard® is a registered trademark of MSR GAADT531193_E_1011.pdf

PolyGard®CL2Gas Transmitter

User Manual - AT-1193 Page 10

Physical

Enclosure stainless steel T

e 5 Stainless steel V2A

Enclosure colour Natural, brushed

Dimensions (W x H x D) 113 x 135 x 45 mm (5.35 x 4.5 x 1.8 in.)

Weight Approx. 0.5 kg (1.1 Ib.)

Protection class IP55

Mounting Wall mounting, pillar mounting

Enclosure Plastic, Type A Polycarbonate

Flammability UL 94 V2

Enclosure colour Light grey RAL 7032

Dimensions (W x H x D) 94 x 130 x 57 mm (3.7 x 5.12 x 2.24 in.)

Weight Approx. 0.3 kg (0.6 Ib.)

Protection class IP 65

Mounting Wall mounting

Cable entry Standard 1 x M 20

Wire connection Screw-type terminal: 0.25 to 2.5 mm

24 to 14 AWG

Wire distance Current signal ca. 500 m (1500 ft.)

Voltage signal ca. 200 m (500 ft.)

Guidelines EMC Directive 2004 / 108 / EEC

Approvals

Enclosure Type A UL 508A

Warranty Two years material and workmanship,

12 months normal exposure for sensor element

Options

Relay output

Alarm rela

(

switchin

threshold 5

)

30 VAC/DC 0.5 A,

otential-free, SPDT

Alarm relay 2 (switching threshold 8 ppm) 30 VAC/DC 0.5 A, potential-free SPNO/SPNC

Power consumption 30 mA, (max. 0.8 VA)

Heating

Tem

erature controlled 3 °C ±2°C

(

37.5 °F ± 3.6 °F

)

Ambient temperature - 40 °C

(

- 40 °F

)

Power consumption 0.3 A; 7.5 VA

Speciﬁcations subject to change without notice. | USA 140403 | Page 10 of 13

12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | relevantsolutions.com/inteccontrols

AT-1193 – UserManual

Polygard® is a registered trademark of MSR | GAADT531193_E_1011.pdf

Speciﬁcations subject to change without notice. | USA 160104 | Page 10 of 13

12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | relevantsolutions.com/inteccontrols

AT-1193 – UserManual

PolyGard®is a registered trademark of MSR-Electronic GmbH | GAADT531193_E_1011

INTEC Controls | 12700 Stowe Drive, Suite 100, Poway, CA 92064 | Ph: (858) 578.7887 & (888) GO.INTEC | inteccontrols.com

Speciﬁcations subject to change without notice. | GAADT531193_E_1011 | USA 200211 | Page 10 of 13

AT-1193 V3 – UserManual

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