1/8" DIN Panel Mount pH ControllerpH Controller
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- Microprocessor-Based Versatility
- High and Low Alarm Setpoints
- Scalable 4 to 20 mA, 0 to 20 mA or 0 to 10 V Output
- Compact Panel Design
- Automatic Temperature Compensation
- Open Sensor Detection
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This microprocessor-based family of pH panel mounted controller is designed for a wide variety of environmental monitoring applications. The units features automatic or manual temperature compensation of pH, two 5 amp mechanical relays and a choice of a scalable 4 to 20 mA, or 0 to 20 mA control or recording output or a 0 to 10 V output. For ease of operation all calibration and parameter setpoints are selectable through the front keypad.The PHCN model can be interfaced with a variety of pH electrodes.
*The ORCN and OPCN models have been discontinued. Please contact our Electronic Engineering department if you are in need of a replacement for these series.*
pH Range: 0 to 14.00 pH (620 mV to -620mV); 0 to 100°C.
Resolution: 0.01 pH, 0.1°C
Calibration pH: 2 or 3 point
Accuracy: ±0.03 pH; ±0.5 C
Display: 4-digit, LED, 13.7 mm (0.54")
Relays: dual SPDT (form C) 5 A at 240 Vac, mechanical relay. Programmable deadband hysteresis around setpoints.
Output: 4 to 20 mA, 0 to 20 mA or 0 to 10 V (Scalable) Software selectable.
Input Impedance: >10 12 ohms
Temperature Compensation: Manual or Automatic, 0 to 100°C using Pt 100 or 1K ohm RTD
Connectors: pH: BNC; Temperature: Terminal strip
Power: 115 Vac, 230 Vac, 50/60 Hz; 12-32 Vdc
Panel Cutout: 1 /8 DIN, 45 H x 92 mm W (1.772" x 3.622")
Dimensions: 48 H x 96 W x 177 mm D (1.89" x 3.78" x 7.00")
Weight: 580 g (1.27 lb)
Hi, My Name is Dee, our PH Controller is reading .8 lower than it should be. Do you have a document that shows how to re-calibrate our PH Controller Item# PHCN-37? Thank You Dee
Have an PHCN-37 PH Controller that is displaying -LMT. The pH Probe and Cable has been replaced, but still reading -LMT. The unit had been reading the pH properly since it was first installed a couple months ago. The unit is less than a year old.
Why does my screen keep reading -lmt I know it stands for the limit it acceptable but when I take it out of the water and put it in buffer it still reads that