HG117 PH/ORP Meter (Explosion-Proof )

HG117 PH/ORP Meter (Explosion-Proof )

HG117- online wall mounting type PH/ORP Meter is used to match with PH electrode to continuously measure the liquid’s PH value, in LED display. It can simultaneously display temperature, PH/ORP value, time and status. It is used in hazardous area where requires Explosion proof.

Technical data:

Measuring range
PH value: 2 ~ 14.00 pH resolution 0.01 pH
ORP value: -1999 ~ + 1999 mV resolution 1 mV
Temperature: -15 ~ 130℃ resolution 0.1 ℃
Automatic temperature compensation range
0 ~ 100 ℃, based on 25℃
Accuracy
pH value: ± 0.01pH
ORP value: ± 1 mV
Temperature: ± 0.5℃ (0 ~ 100℃ )
Repeatability error
± 0.01 pH
Automatic temperature compensation error
± 0.03 pH
Stability
± 0.02 pH / 24 hours
Input impedance
≥ 1012 Ω
Current output error
≤ ± 1% FS
Current isolated output
4 ~ 20 mA;
Input, output and power supply are isolated ( power supply must be connected with safety barrier )
Communication
RS485, HART (Optional)
Power supply
24V DC ±2.4V
Weather proof
IP67
Ambient condition
Ambient temperature: -20 ~ 70℃; Relative humidity: < 90%RH
Explosion proof
Exia IICT6 Ga
Intrinsic safety
Ui = 28VDC, Ii = 93 mA, Pi = 0.65 W, Ci = 0.044 μF, Li = 0 mH