PH-110 Panel pH / ORP Controller – 4-20 mA Output, 2 Alarm Relays, with 5 m Electrode

Description

Panel-mount pH / ORP analyzer-controller for continuous monitoring of process water, wastewater, cooling towers, water treatment skids, aquaculture and chemical dosing lines. The controller reads either a pH electrode (0–14 pH) or an ORP electrode (±1000 mV), displays the value on a backlit LCD and retransmits it as an isolated 4–20 mA signal to a PLC, recorder or SCADA input. Two relay outputs with adjustable setpoints can drive dosing pumps, solenoid valves or alarms.

• pH 0–14 or ORP −1000 to +1000 mV, 0.01 pH / 1 mV resolution
• Accuracy ±0.02 pH / ±1 mV as listed by the supplier
• Isolated 4–20 mA output (max. loop resistance 750 Ω)
• 2 alarm relays, 250 VAC 3 A, high / low setpoints
• Manual or automatic temperature compensation (0–100 °C, NTC10K)
• Standard 96 × 96 mm DIN panel housing, 92 × 92 mm cut-out
• Each version ships with the electrode shown in the option name and a 5 m cable

Power note: the controller is listed for AC 220 V ±10 %, 50/60 Hz. It is not a 120 V unit.

Specifications (as listed by the supplier)

• Model: PH-110
• Measuring range: pH 0–14; ORP −1000 to 1000 mV
• Accuracy: ±0.02 pH, ±1 mV
• Resolution: 0.01 pH, 1 mV
• Stability: ≤0.02 pH/24 h; ≤3 mV/24 h
• Input impedance: 10^12 Ω
• Temperature compensation: Manual/Auto, 0–100 °C, NTC10K
• Signal output: Isolated 4–20 mA, max 750 Ω
• Alarm output: 2 × relay, 250 VAC 3 A
• Display: 128 × 64 LCD with backlight
• Panel cut-out: 92 × 92 mm
• Housing size: 96 × 96 × 100 mm
• Power supply: AC 220 V ±10 %, 50/60 Hz
• Power consumption: ≤3 W
• Operating conditions: 0–60 °C, ≤85 % RH
• Electrode cable: 5 m