Dansensor ISM-3 Manuel utilisateur

PBI-200114-D

04/2013

ISM-3

User Manual

ISM-3 EN User Manual

ISM-3

User Manual

Published by:

Dansensor A/S

Rønnedevej 18, DK-4100 Ringsted

Denmark

Tel.: +45 57 66 00 88

Fax: +45 57 66 00 99

E-mail: info@dansensor.com

Internet: www.dansensor.com

2 User Manual EN ISM-3

ISM-3 EN User Manual 3

Table of Contents

1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

2. Safety precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3. Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

4. Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

Start up. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

General use of buttons. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Start and stop of measuring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

External/manual start and stop of measuring . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Set-up of alarm limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Output of sensor flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Flow alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Sub menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Setting up of options, relay and external measurement control . . . . . . . . . . . . 16

5. Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

6. Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Offset adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

7. Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

Current output/voltage output. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

8. Error indication/error correction . . . . . . . . . . . . . . . . . . . . . . . . . . .23

9. Spare parts and accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

Standard accessories (included). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Accessories (extra) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

10. Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29

Sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Flow system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Operation and connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

4 User Manual EN ISM-3

ISM-3 EN User Manual 5

1. Introduction

ISM-3 is a microprocessor controlled oxygen analyser which automatically controls the concentration of

oxygen (O2) in a given measuring point. The measured O2concentration is shown in a large, easy

readable display.

ISM-3 can via a simple menu structure be programmed to give alarm in case of a too high or too low O2

concentration. Besides that alarm is given in case of insufficient flow of measuring gas, or in case of

other faults in the ISM-3.

ISM-3 is equipped with a relay for alarm in case of too high/low O2concentration, insufficient measuring

gas flow or other vital faults.

ISM-3 is specially developed for being incorporated/mounted on nitrogen generators etc. where the

control of the O2concentration is a vital part of the process.

Fig. 1. ISM-3 Analyser for incorporation

Fig. 2. ISM-3 Analyser designed for retrofitting

6 User Manual EN ISM-3

The following makes ISM-3 an unique O2analyser:

• Precise and quick measuring

• Covers all measuring ranges from 100% to 0 ppm with automatic range shift

• Facultative external control of measuring

• Long term stable sensor - long intervals without calibration

• Automatic control of measuring gas flow

• Programmable current oulet/voltage outlet (extra accessories) 0/4-20mA/0/2-10 Volt with galvanic

separation

• 2 alarm limits programmable for O2content

• Calibration with up to 4 calibration gases plus atmospheric air (20.946 % O2)

• Supplied as stand-alone or for incorporation.

ISM-3 is specifically built for measuring on clean dry gases and gas mixtures where a great measuring

precision, reliability and long term stability and alarm control of flow and content of oxygen are required.

As examples of application the following areas can be mentioned:

• Control of gas

• Atmospheric control under industrial or laboratory conditions

• Control of gas mixtures

• Environmental measurements

• Measuring of oxygen within the chemical, metallurgical and medical industry and

research

ISM-3 EN User Manual 7

2. Safety precautions

Read and understand this manual for your own safety’s sake and for the quality of the work carried out

using this equipment.

The following terms are used:

"DANGER" to designate a condition which MAY involve mortal danger of serious injury

"CAUTION" to designate a condition which MAY involve serious injury

"NOTE" to designate a condition which MAY involve faulty operation of the equipment

thus causing fault measuring results

Follow the below instructions carefully:

DANGER: Opening ISM-3 may involve mortal danger or serious injury as live high-

voltage leads may be exposed. By opening the ISM-3, the mains supply must

always be switched off. By connecting the net ground must always be

connected.

CAUTION: If ISM-3 is moved or transported, make sure it is note exposed to shocks or

impact.

Only use water or a mild soap lather to clean the front panel. Make always

sure that there is at least 5 cm of free air behind the ventilation holes on the

back of ISM-3.

Our warranty does not cover unless the above instruction is strictly adhered

to.

NOTE: Install always a hose on the "Gas out" connection and make sure that the

measuring gas is transported away from the ISM-3, as the surrounding

atmospheric air is used as reference. In order to observe the CE`s EMC

regulation all connections to the ISM-3 (not mains connections) must be

protected. The screen must end in a PG sleeve on the back of ISM-3.

Recommendations

• In order to prolong the life of the analyser it is recommended to let ISM-3 be constantly connected to

the mains voltage.

• Every 6 months it is recommended to control ISM-3`s calibrations by measuring on gases with known

content of O2.

• Recommended control - and calibration interval is 12 months.

8 User Manual EN ISM-3

ISM-3 EN User Manual 9

3. Connection

• Measuring control signal for external control of measuring (10-32 VDC)

• Relay output

• Current output/voltage output (optional)

ST1: Gas alarm and system alarm output. Relay connection. Max. 48V, 1A

pin 1: Common terminal (COMMON)

pin 2: Contact set with switch on function (normally connected) (N.C.)

pin 3: Contact set with switch on functions (normally open) (N.O.)

pin 4: Not connected

ST2: Connection to current output/voltage output

pin 1: +0/4 to 20mA (0/2-10Volt)

pin 2: -/GND

ST3: Connection for measuring control signal

pin 1: +10 to 32VDC

pin 2: -/GND

Fuse 0.63 AT (1.6 AT at 115V AC). Placed inside.

Fan

Gas out

Gas in (For ISM-3 without a build-in pump, 2 - 10 bar is labelled upon request)

Cable inlet for mains connection

Cable inlet for display (only for model for incorporation)

Cable inlet for signal cable. The cable is internally connected to ST1, ST2 and ST3.

Current output/voltage output. Yellow + (plus) and Green -(minus)

Alarm relay output Grey and Pink. Switch is open in case of an alarm.

Measuring control input signal (10 to 32 VDC). Brown +(plus) and White-(minus)

RS232C serial communication port.

GAS IN

GAS OUT

3 41 2

1 21 2

103

8 94

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