PH-018(485) RS485 Industrial on-line PH Controller
• The intelligent: using micro processing chip, complete pH measurement,temperature measurement, temperature compensation, automaticcommunication network, man-machine interface and other functions.
• Anti - interference: mA output, RS485 communication and measurementcircuit adopts photoelectric isolation technology, has goodelectromagnetic compatibility, strong anti-interference ability.
• The multi parameter display: time, temperature, pH, mA output, high andlow limit setting value and the alarm output and displayed on the LCDscreen.
• The display: 320*240 color LCD screen, high resolution, beautifulappearance, WIN8 METRO style menu, friendly man-machine interface.
• The RS485 communication: follow MODBUS RTU standard communicationprotocol, multi unit network monitoring and automatic control ofcomputer connection.
• The industrial control watchdog: ensure that the instrument do not crash.
• The time display: built-in clock chip, display the current date and time.
• The temperature compensation, automatic temperature compensation,you can also manually input the temperature, manual temperaturecompensation.
• It is widely used in monitoring and control of pH in thermal power,chemical fertilizer, metallurgy, environmental protection, pharmaceutical,biochemical, aquaculture, greenhouse cultivation, food and tap waterand other industries.
Range
|
pH
|
0.00 ~ 14.00 pH
|
Temperature
|
0~100℃
|
|
Resolution
|
pH
|
0.01 pH
|
Temperature
|
0.1℃
|
|
Accuracy
|
pH
|
±0.02pH
|
Temperature
|
±0.5℃
|
|
Automatic Temperature Compensation
|
0 ~ 100°C,25℃
|
|
Repeatability error of electronic unit
|
±0.02pH
|
|
Stability
|
±0.02pH/24h
|
|
InputImpedance
|
≥1012Ω | |
Output current
|
4~20mA
|
|
Output currentAccuracy
|
≤±1%FS | |
High-low alarm relay
|
AC220V、10A
|
|
RS485
|
MODBUS RTU
|
|
Power Supply
|
AC220V±22V,50±1Hz
|
|
levels of protection
|
IP54
|
|
Environment
|
0℃~60℃; RH≤95℅
|
|
Dimensions
|
96mm x 96mm x 110mm
|
|
Hole Size
|
92mm x 92mm
|
|
Weight
|
1050g |
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