一． Summary
It is new model, intelligent and flexible, which can simultaneously measure
the temperature and PH/ORP, widely used in the city sewage treatment plant,
water supply, electricity, medicine, chemical, food and other industries, the
value of continuous measurement of solution PH/ORP.
Basic function
1. English interface, can be free to switch to Chinese, easy to operate
2. Automatic and manual temperature compensation, to meet the needs of
users
3. Two way 4-20MA output, corresponding to the PH/ORP value and
temperature, adopt isolation technology, strong anti-interference ability
4. Two relays can be switched freely at high and low points, and the amount
of hysteresis can be adjusted freely
5. Adopt 220V alternating current and 24V DC double power input
6. 480*800 IPS LCD, display clear, 5-100% brightness free settings
7.
Protection level IP65, suitable for outdoor use
8.
Password management function to prevent non professional staff misoperation
Instrument technical parameters
Measurement: PH (0-14PH); ORP ( -2000 - +2000 MV)
Accuracy: ±0.01 pH; ±1 mV
Resolution: 0.01pH; 1mV
Stability: ≤ 0.02 pH/24hours; ≤ 3 mV/24hours
PH buffer solution: 4.00-6.86, 6.86-9.18, 4.00-7.00, 7.00-10.00 four groups
Temperature compensation: 0–100 ℃ Manual/Auto(PT1000)
Signal output: 4-20mA isolation protection output, independent of the
corresponding PH/ORP or temperature maximum load of 500Ω
Alarm output: Two groups can be arbitrarily corresponding to the alarm
(
3A/250 VAC
), normally open contact relay
Power: AC 220V and DC 24V
Power consumption: ≤5W
Environment condition: (1) Temp: 0-60 ℃ (2) Humidity: ≤85%RH
Dimension: 144×144×115mm（H×W×D）
Opening size: 138×138mm（H×W）
Protection level: IP65
Specifications
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