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MDA-PH pH/ORP Controller
Time:2026-05-08 Source:Shenyang Kainai Technology Co., Ltd. Editor:Shenyang Kainai Technology Co., Ltd.
INTRODUCTION
The MDA-PH is an intelligent online chemical analysis instrument. It enables remote monitoring and recording by transmitting monitored data to a recorder through transmission output. It can also be easily connected to a computer via the RS485 interface with the MODBUS-RTU protocol for monitoring and data recording. It is widely applied in thermal power, chemical & fertilizer, metallurgy, environmental protection, pharmaceutical, biochemical, food and tap water industries for continuous monitoring of pH value, ORP value and temperature in solutions.
FEATURES
1. Freely configurable alarm and automatic control; it can monitor solenoid valves, metering pumps and other equipment in real time according to the pH control target value.
2. Matched with upper computer software, it supports network communication for up to 32 controller units to realize integrated management of multi-dimensional data.
3.Supports free switching between NTC10K and PT1000 temperature compensation modes.
4. High and low alarm functions with hysteresis value setting are available.
5. Configurable buzzer alarm and LCD backlight on/off functions.
6. Configurable manual and automatic temperature compensation functions.
Main Performance Indicators
Measuring Range | pH(0~14pH) ORP(-2000~+2000mV) Customized wide range available | Accuracy | pH：±0.02pH ORP：(-2000~-1000)mV，±2mV； (-1000~1000)mV，±1mV； (1000~2000)mV，±2mV |
Storage Environment | Temperature：(-15~65)°C Relative Humidity：5%~95% (Non-condensing) Altitude：<2000m | Temperature Compensation | NTC10K：(-10~60)°C, Accuracy ±0.3°C； (60~130)°C, Accuracy ±2°C Pt1000：Accuracy ±0.3°C Pt100 (Customized)：Accuracy ±0.3°C Range：(-10~130)°C Manual / Automatic |
Power Supply | 220VAC±10%，50Hz/60Hz，110V±10% 24VDC±10% | Operating Environment | Temperature：(0~60)°C Relative Humidity：10%~85% (Non-condensing) |