Sensorex TX2000 Manuel utilisateur
1
TX2000
Intelligent
pH/ORP
Transmitter
Operation
Manual
/^KϵϬϬϭͲ2008 Cerficate No. C0036132
Thank you for purchasing Sensorex products. In order to continually improve and enhance the transmitter’s
function, Sensorex reserves the right to modify the content and icon display of the product. The actual
situation is subject to the instrument without notice. The operation manual is only provided for function and
installation description. Sensorex Corporation is not liable for any person or entity for any direct or indirect
loss or damage due to improper usage of this product. If you have any questions or find any omissions, or
mistakes in this operation manual, please contact Sensorex Corporation.
Precautionsforinstallation
Wrong wiring will lead to breakdown or electrical shock of the instrument, please read this
operation manual clearly before installation.
Make sure to remove AC power from the transmitter before wiring input, output connections,
and remove it before opening the transmitter’s housing.
The installation site of the transmitter should be good in ventilation and avoid direct
sunshine.
The material of signal cable should be special coaxial cable. Strongly recommend using our
coaxial cable. Do not use normal wires instead.
Avoid electrical surge when using power. Especially when using three-phase power, use
ground wire correctly.
The internal relay contact of the instruments is for alarm or control function. Due to safety,
please must connect to external relays which can stand enough ampere to make sure the
safety operation of the instrument.（Please refer to chapter 3.7“Illustration of electrical
connection”）
Precautions for installation
Brief Instruction
1
1. Specifications 4
2. Assembly and installation
2.1 Transmitter installation 5
2.2 Illustration of panel mounting 5
2.3 Illustration of wall mounting and pipe mounting 6
2.4 Assembly of electrode and housing 6
2.4.1 Cable set-up 6
2.4.2 Assembly of immersive electrode holder and junction box 7
2.5 Illustration and description of junction box (not shown) 9
3. Overview of Intelligent pH/ORP transmitter TX2000
3.1 Illustration of rear panel 10
3.2 Illustration of terminal function 10
3.3 Description of terminal function 11
3.6 Typical wirings 14
3.7 Illustration of electrical connection 14
4. Configuration
4.1 Illustration of front panel 15
4.2Keypad 15
4.3 LED indicators 15
4.4 Display 16
5. Operation
5.1 Measurement mode 17
5.2 Set-up menu 17
5.3 Calibration menu 17
5.4 Shortcuts 17
5.5 Default value
5.5.1 Setting default value 17
5.5.2 Calibration default value 17
6. Settings
Block diagram of settings 18
6.1 Entry of set-up menu 20
6.2 Security code of settings(Code) 21
6.3 Language 22
6.4 Measurement parameters(Mode) 23
6.5 Multi-point calibration(Multi-Cal) 24
CONTENTS
6.6 Temperature 25
6.7 Relay 1 26
6.8 Relay 2 27
6.9 Clean 28
6.10 Analog output 1 (pH/ORP)
29
6.11 Analog output 2 (temperature) 30
6.12 Date/Time (Clock) 31
6.13 Sample average of measurements (Digital filter) 32
6.14 Backlight settings 33
6.15 Contrast settings 34
6.16 Automatically back to measurement mode(Return) 35
7. Calibration
Block diagram of Calibration 36
7.1 Entry of calibration menu 37
7.2 Security password of calibration 38
7.3 pH calibration 39
7.3.1 TECH mode 39
7.3.2 NIST mode 39
7.3.3 Any mode 39
7.3.4 Definition of calibration parameter 40
7.3.5 TECH, NIST buffer Calibration 41
7.3.6 Any Calibration 42
7.4 ORP calibration 43
7.5 Automatically back to measurement mode(Return)
8. Error messages (Error code) 45
9. Maintenance 46
Appendix 47
1.Specifications
Model TX2000
Measuring modes pH / ORP / Temp.
Ranges
pH -2.00~16.00 pH
ORP -1999~1999 mV
Temp. -30.0~130.0 C
Resolutions
pH 0.01 pH
ORP 1 mV
Temp. 0.1 C
Accuracy
pH ±0.01 pH (±1 Digit)
ORP ±0.1% (±1 Digit)
Temp. ±0.2C (±1 Digit),
equipped with temperature error modification function
Temperature
Compensation
NTC30K/ PT 1000 auto temperature compensation
Manual adjustment temperature compensation
Calibration mode TECH, NIST, Any Buffers, up to three point calibration
Ambient Temp. 0~50C
Storage Temp. -20~70C
Input Impedance > 1012 Ω
Display Large LCM with auto-sense backlight sensor & contrast function. Text mode.
Analog output 1 Isolated DC 0/4~20mA corresponding to main measurement,
max. load 500
Analog output 2 Isolated DC 0/4~20mA corresponding to Temp., max. load 500
Settings
Contact RELAY contact, 240VAC 0.5A Max.(recommend)
Activate Hi/Lo. Hi/Hi. Lo/Lo selectable two limited programmable,
ON/OFF
Wash RELAY contact: ON 0~99min. 59sec. / OFF 0~999hr 59min.
Voltage Output DC±12V，1W max.
Protection IP65(NEMA 4X)
Power Supply 100V~240VAC±10%，4W max.，50/60Hz
Installation Wall or Pipe or Panel Mounting
Dimensions 3.78”(96mm) × 3.78”(96mm) × 5.20”(132mm) (HWD)
Panel Cut Out Dimensions 3.66”(93 mm) 3.66”(93 mm) (HW)
Weight 1.1lb(0.5Kg)
Note: The specifications are subject to change without notice.
2. Assembly and installation
2.1 Transmitter installation: This Transmitter can be installed through panel mounting, wall
mounting and 2” pipe mounting.
Installation of panel mounting: First, prepare a square hole of 3.66” (93mm) x 3.66”
(93mm) on the panel box, and then insert the controller directly into the panel box. Insert the
mounting bracket from the rear, and until it is fixed into the pickup groove.
2.2 Illustration of panel mounting
3.66” (93 mm)
3.66”(93 mm)
Panel cutout dimensions
3.42” (87 mm)
＋
Hole distances on the
p
anel box
Mounting bracket
Illustration of panel mounting,
fixed with mounting bracket
＋
＋
＋
4.41”
(
112 m
m
)
3.42” (87 mm)
2.3 Illustration of wall mounting and pipe mounting
Penetrate the two prepared holes in the rear
cover and fix the U-shaped pipe clip, and
then install two waterproof squeezed caps
(the transmitter’s standard accessory kit) into
the holes from inner rear cover to prevent
from the water vapor.
Installation of pipe mounting
Fixed with U-shaped pipe clamp.
(Optional, Order Number: 5333027)
Installation of wall mounting
Fixed with 4 x M4 screws
Insert the single hole rubber plug into
the unused cable gland, and tighten up
the cable gland to prevent from the
penetration of water vapor.
2.4 Assembly of electrode and housing
2.4.1 Cable set-up
a. Make sure to remove the conductive rubber or aluminum-foil layer between the electrode signal
wire and the coaxial shield.
b. Extend the cable to the transmitter without any joint except specific junction box. Connect the
transparent coaxial inner directly to the Glass terminal on the back of transmitter, and metal
connect coaxial shield to Ref. terminal.
2.4.2 ,QWHQWLRQDOO\OHIWEODQN
Set-up diagram of coaxial cable:
See the correct set-up method on the left:
Note: The black conductive rubber
covering on the coaxial inner should be
removed.
Metal coaxial shield
Transparent coaxial inner
(Remove the conductive rubber)
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