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Instruments are used in industrial measuring of the temperature and PH/ORP, such as waste water treatment, environmental monitoring, fermentation, pharmacy, food process agriculture production, etc.
Functions | pH | ORP |
Measuring range | -2.00pH to +16.00 pH | -2000mV to +2000mV |
Resolution | 0.01pH | 1mV |
Accuracy | ±0.01pH | ±1mV |
Temp. compensation | Pt 1000/NTC10K | |
Temp. range | -10.0 to +130.0℃ | |
Temp. compensation range | -10.0 to +130.0℃ | |
Temp. resolution | 0.1℃ | |
Temp. accuracy | ±0.2℃ | |
Ambient temperature range | 0 to +70℃ | |
Storage temp. | -20 to +70℃ | |
Input impedance | >1012Ω | |
Display | Back light, dot matrix | |
pH/ORP current output1 | Isolated, 4 to 20mA output , max. load 500Ω | |
Temp. current output 2 | Isolated, 4 to 20mA output , max. load 500Ω | |
Current output accuracy | ±0.05 mA | |
RS485 | Mod bus RTU protocol | |
Baud rate | 9600/19200/38400 | |
Maximum relay contacts capacity | 5A/250VAC,5A/30VDC | |
Cleaning setting | ON: 1 to 1000 seconds, OFF: 0.1 to 1000.0 hours | |
One multi function relay | clean/period alarm/error alarm | |
Relay delay | 0-120 seconds | |
Data logging capacity | 500,000 | |
Language selection | English/traditional Chinese/simplified Chinese | |
Waterproof grade | IP65 | |
Power supply | From 90 to 260 VAC, power consumption < 5 watts | |
Installation | panel/wall/pipe installation | |
Weight | 0.85Kg |
Model | pHG-2081X | pHG-1912BT | pHG-1901 |
Measuring Range | 0.00~14.00pH | ||
Temperation compensation | 0-150 ℃ | 0-99 ℃ | |
Accuracy | 1% FS | ||
Resolution | 0.01pHm0.1C,0.1mV | 0.05pH,0.3 ℃ | |
Communication | RS485(optional) | ||
Output | 0~10mA,4-20mA(double output for option) | 0~10mA,4-20mA | 4-20mA |
Alarm relay | two relay output | ||
Power | 220V,24V(85~265V) | 220V | 220V(110V) |
Protection grade | IP65 | IP65 | IP54 |
Dimension | 146*146*150mm | 220*190*130mm | 96*96*135mm |
Hole size | 138*138mm | / | 92*92mm |
Installation | wall/panel mounted | wall mounted | panel mounted |
Working condition | ambient:0~60C,relative humidity<90% |
Model | HPH1920/S8 | HPH1920/K8S | HPH1920/VP | HPH1920/5M | HPH1930 |
Range | 0.00-14.00 pH | ||||
Temp | 0-130 ℃ | ||||
Cable connection | AS9 | AK9 | VP | With Cable | S7/VP |
Demiension | 12*120/150/225/325mm | 12mm*120/150/ 200/250/450mm | |||
Tempensation | No | No | Yes | Yes | Yes/No |