Sensorex TX2000 Manual de usuario
1
TX2000
Intelligent
pH/ORP
Transmitter
25.0 C
Operation
Manual
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Precautions for installation
Wrong wiring will lead to breakdown or electrical shock of the instrument, please read this
operation manual clearly before installation.
zMake sure to remove AC power from the controller before wiring input, output connections,
and remove it before opening the controller housing.
zThe installation site of the controller should be good in ventilation and avoid direct sunshine.
zThe material of signal cable should be special coaxial cable. Strongly recommend using our
coaxial cable. Do not use normal wires instead.
zAvoid electrical surge when using power. Especially when using three-phase power, use
ground wire correctly.
zThe internal relay contact of the instruments is for alarm or control function. Due to safety,
please must connect to external relay which can stand enough ampere to make sure the safety
operation of the instruments.（Please refer to chapter 3.7“Illustration of electrical
connection＂）
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6.4 Multi-point calibration(Multi-Cal) 22
6.5 Temperature 23
6.6 Relay 1 24
6.7 Relay 2 25
6.8 Wash time(Clean) 26
6.9 Analog output 1 (pH/ORP) 27
6.10 Analog output 2 (temperature) 28
6.11 Date/Time (Clock) 29
6.12 Sample average of measurements (Digital filter) 30
6.13 Backlight settings 31
6.14 Contrast settings 32
6.15 Automatically back to measurement mode(Return) 33
7. Calibration
Block diagram of Calibration 34
7.1 Entry of calibration menu 35
7.2 Security password of calibration 36
7.3 Automatically back to measurement mode(Return) 37
7.4 pH calibration 38
7.4.1 TECH mode (Up to 3-point calibration) 38
7.4.2 NIST mode (Up to 3-point calibration) 38
7.4.3 Asymmetry mode (Up to 3-point calibration) 38
7.4.4 Definition of calibration parameter 39
7.4.5 TECH, NIST buffer Calibration 40
7.4.6 Any Calibration 41
7.5 ORP calibration 42
8. Error messages (Error code) 43
9. Maintenance 44
Appendix 45
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Brief Instruction
Description of set-up settings (see chapter 7 for details)
Press and simultaneously to see the overview of the set-up settings now. Then press I
if you would like to modify set-up settings. Press keypad according to index of keypad on the screen.
Index of keypad
keypad Function Description
Back to upper layer
Choose change to left page
Increase digit
Choose change to right page
Decrease digit
Confirm settings after modifications and then go through next
step
Selection of set-up items
keypad Accordingly item Description
Mode Measurement mode, to choose pH or ORP measurement
Multi-Cal. Multi-point calibration, to choose 1, 2, or 3 points calibration
Temperature Temperature measurement and compensation, including MTC,
PTC, NTC (3 types total). MTC---Manual temperature
compensation, PTC/NTC--- auto temperature compensation
Relay 1 First relay setting, to choose action off or Hi/Lo alarm
Relay 2 Second relay setting, to choose action off or Hi/Lo alarm
Clean Automatic wash time setting, to choose electrode cleaning
equipment’s ON and OFF duration
Analog 1 Current output according to pH or ORP setting range
1
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Analog 2 Current output according for temperature
Clock Clock setting (When power LVORVW, theLQVWUXPHQW¶V
time setting will return to the factory VHWWLQJ
Back-light Backlight setting, to set Auto/ON/OFF backlight, brightness,
and sensitivity
Contrast Contrast of screen setting
Digital Filter Take every serial 1~60 measurements, average them
continuously, and make it as the readings
Return Return to the measurement mode
Code Security code of set-up mode. The factory default is 1111, and a
designated user can change the code.
2
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Description of calibration settings (see chapter 8 for details)
Press and simultaneously to see the last calibration information. Then press if
to make a new calibration or modify setting of calibration. Press keypad according to
index of keypad on the screen.
Index of keypad:
keypad Function Description
Back to upper layer
Change to left page
Increase digit
Change to right page
Decrease digit
Confirm settings after modifications and then go through next
step
Selection of calibration items (up to three-point calibration)
keypad Function Description
Code Security code of calibration mode. The factory default is 1100.
Return Time interval setting of returning to the measurement mode
TECH Use tech buffer as standard solution for calibration
NIST Use NIST standard buffers(DIN 19266) as standard solution for
calibration
Any Use any buffer solution by users’ definition for calibration
Note
Sensorex reserves the right to change the figure of icons and contents. The actual icons and contents
please refer to the instruments.
3
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1. Specifications
Model TX2000
Measuring modes pH / ORP / Temp.
pH -2.00~16.00 pH
ORP -1999~1999 mV
Ranges
Temp. -30.0~130.0 °C
pH 0.01 pH
ORP 1 mV
Resolutions
Temp. 0.1 °C
pH ±0.01 pH ±1 Digit
ORP ±0.1% ±1 Digit
Accuracy
Temp. ±0.2°C±1 Digit
NTC30K/ PT 1000 auto temperature compensation
Temperature
Compensation Manual adjustment temperature compensation
Calibration mode Tech.、NIST.、Asymmetry mode, up to three point calibration
Ambient Temp. 0~50°C
Storage Temp. -20~70°C
Input Impedance > 1012 Ω
Display Large LCD display with environment light sensor
auto/manual illumination function
Analog output 1 Isolated DC 0/4~20mA corresponding to main measurement,
max. load 500Ω
Analog output 2 Isolated DC 0/4~20mA corresponding to Temp., max. load 500Ω
Contact RELAY contact，240VAC 0.5A Max.(recommend)
Settings Activate Two sets of individual HIGH or LOW programmable control
Wash RELAY contact: ON 0~99min. 59sec. / OFF 0~999hr 59min.
Voltage Output DC±12V，1W max.
Certification IP65
Power Supply 100V~240VAC±10%，4W max.，50/60Hz
Installation Wall or Pipe or Panel Mounting
Dimensions 96m × 96mm × 132mm (H×W×D)
Cut off Dimensions 93 mm ×93 mm (H×W)
Weight 0.5Kg
Note: The specifications are subject to change without notice.
4
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2. Assembly and installation
2.1 Transmitter installation: This Transmitter can be installed through panel mounting, wall
mounting and pipe mounting.
Panel mounting: First, prepare a square hole of 93 x 93mm on the panel box,
and then insert the controller directly into the panel box. Insert the mounting bracket
from the rear, until it is locked into the pickup groove.
2.2 Illustration of panel mounting:
93 mm
93 mm
Hole size
87 mm
＋
87 mm
Hole distances on the panel box
Mounting bracket
Illustration of panel mounting,
fixed with mounting bracket
＋
＋＋
112 mm
5
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Otros manuales para TX2000
2
Tabla de contenidos
Otros manuales de Transmisor de Sensorex
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Sensorex TX2000 Manual de usuario
Sensorex
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Sensorex
Sensorex TX2000 Manual de usuario
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Sensorex
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