CA9300PH/OPR - Economical Analog pH/ORP Controller
Product Overview
An economical single-channel analog controller designed for precise pH and ORP measurement applications. Features a modern 3.5-inch color touchscreen display and robust industrial construction suitable for various process control environments.
Key Features
- 3.5-inch TFT color LCD with resistive touch screen (320*240 resolution)
- Dual 0/4-20 mA analog outputs with Modbus RS485 communication
- IP65 protection rating for harsh industrial environments
- Two relay channels for parameter and temperature limit alarms
- Compatible with various HACH analog pH/ORP electrodes
Physical Specifications
Controller Dimensions
144 * 144 * 150 mm
Housing Material
Aluminum alloy with polyester coating
Cable Glands
2 * PG 13, 2 * PG 11
Environmental Specifications
Operating Temperature
-20 to +60℃ (No condensation)
Storage Temperature
-20 to +70℃ (No condensation)
Electrical Specifications
Power Requirement
100-240VAC 50/60 Hz ±10%
Analog Output
Two 0/4-20 mA current outputs; Load impedance ≤500Ω
Communication
Modbus RS485
Relays
2 channels; SPST normally open, 5A 30VDC, 5A 250VAC
Measurement Specifications
| Parameter |
Measurement Range |
Resolution |
| pH |
0.00 - 14.00 pH |
0.01 pH |
| ORP |
-1500 to +1500 mV |
1 mV |
| Temperature |
-30.0 to +130.0℃ |
0.1℃ |
Compatibility
Compatible with various HACH analog pH/ORP electrodes including composite pH electrodes and differential pH electrodes.