HG113-A online 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.
Technical data:
Measure range PH value: 0 ~ 14.00 pH resolution 0.01 pH ORP value: -1999 ~ + 1999 mV resolution 0.1 mV Temperature: -15 ~ 130℃ resolution 0.1 ℃ Accuracy pH value: ± 0.01pH ORP value: ± 1 mV Temperature: ± 0.5℃ (0 ~ 100℃ ) Automatic temperature compensation range 0 ~ 99.9 ℃, base on 25℃ Repeatability error ± 0.02 pH Automatic temperature compensation error ± 0.03 pH Stability ± 0.02 pH / 24 hours Input impedance ≥ 1012 Ω Current isolated output 2-way Analog output 0 ~ 10 mA ( Load < 1.5 KΩ ) 4 ~ 20 mA ( Load < 750 Ω ) 0 ~ 20 mA ( Load < 750 Ω ) Current output error ≤ ± 1% FS Alarm relay contact capacity 220V AC 3A Communication RS485 (Optional ) Power supply 220V AC ±22V, 50 ±1Hz (Standard) 24V DC ±2.4V (Optional) Weather proof IP65 / IP54 Ambient condition Ambient temperature: 0 ~ 60℃; Relative humidity: < 90%RH
