Category: pH/ORP controller
Applications: Our industrial pH meter is an online pH analyzer which applied in chemical industry metallurgy, environment protection, food, agriculture and so on. With 4-20mA analog signal, RS-485 digital signal and relay output. Can be used for industrial processes and water treatment processes pH control, and support remote data transmission, etc.
Instrument Selection :
| Product | pH meter controller |
| Measure range | pH: 0-14 pH, ±0.02 |
| ORP: -1000 ~1000mV, ±1mV | |
| Resolution | 0.01pH; 1mV |
| Stability | pH: ≤0.02pH/24h; ORP: ≤3mV/24h |
| Measuring medium | Liquid |
| Input Resistance | ≥10~12Ω |
| Temp compensation | Manual/ Auto temperature compensation |
| Temperature Range | 0~100℃， NTC10K or PT1000 |
| Communication | RS-485, Modbus-RTU |
| Signal output | 4-20mA, maximum loop 750Ω, 0.01%FS |
| Power supply | AC 220V±10%, 50Hz |
| Relay output | 250V, 3A |
Wiring Method :
Industry online pH controller instrument wiring
Product Installation :
Industry online pH meter controller
Install a 92.5 * 92.5 mounting hole on the instrument cabinet or mounting panel
The instrument into the mounting hole and then buckle on the butterfly, as shown below
Installation of pH electrode :
Schematic diagram of common installation method
①Side wall installation ②Flange mounted at the top ③Pipe installation ④Top installation ⑤Submersible installation ⑥Flow-through installation
The interface must be in 15°oblique angle, or it will affect the normal test and use of the electrode. We won’t be responsible for any results due to this.
– Sewage Treatment
– Food Processing
– Acid Alkali waste Tower
– Aquaculture
Features:
– Input Type: pH Electrode
– Measuring Range: 0 to 14 pH
– Resolution : 0.01
– Accuracy : ±1% FSD
– Calibration : Span through keypad
– IN-BUILT DIAGNOSTICS for wrong calibration or sensor error
– INDIVIDUAL HIGH & LOW SET POINT RELAY
– Certified Housings by CIMFR available for Gas Groups I, IIA & IIB
– In-built Lead Resistance compensation
– Protection class: IP-55, IP-65, flameproof
– Test and Calibration declarations traceable to NABL/NIST principles
– Non-volatile Flash memory for programming parameters
– Display: 4 digits, Red LED, 7 Segment
– Outputs: Relay, 4-20mA(optional), RS 485(optional)