Application:
The instrument provide pH/ORP measure value, RS485 data and 4～20mA transmission signal to PLC control or DCS system.
Features:
Four-wire transmitter, measure on-site, long distance data transfer
RS485 data, isolated 4-20mA output could be selected
Nonpolar power distribution, identify polar by itself
With digital display on-site and operate key by itself, and have protection cap
Long distance paramter setting can be achieved through PC
With control function by itself, ON/OFF contro/pulse control
Control through long distance or control through itself can be selected
Chinese / English display, language operation menu
Pt1000 temperature compensation component, with temperature control/communication function
Calendar timing/recycle timing; with automatic maintenance by itself
Standard IP65 seal organization
Three point buffer solution slate calibration, support 4.00; 6.86; 9.18 calibration
DC24V power supply.
Technical Data
Model: pH -8920A/B ORP-8920A/B
Measure function: pH ORP
Measure range: 0.00~14.00pH -1999mV ～ +1999mV
Media temperature：0.0~60℃
Resolution ratio: 0.01 1mV
Temperature：0.1℃
Accurac: ≤±0.2 ≤±5mV
Temperature：≤±0.5℃
Current output: the maximum resistance 300Ω, accuracy ≤±0.05mA
Working environment: temperature: 0～50℃ humidity : ≤90%RH
Power supply: DC 18～36V
Power consumption: ≤2W
Protection level: IP65
Fix mode: pipe installation
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03-6764586
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03-6771280 |
