Chinese Online ORP Meter DCORP-820

Chinese Online ORP Meter DCORP-820 is our company's new generation of fully Chinese microcomputer-based high-end instrument. It features full Chinese display, Chinese menu-style operation, full intelligence, multifunctionality, high measurement performance, and strong environmental adaptability. It can accurately measure the oxidation-reduction potential value and temperature of a solution.

Chinese Online ORP Meter DCORP-820 Technical Specifications
Display Method: Chinese LCD display, Chinese menu-style operation
Measurement Range: -2 to 16.00 pH, -1999 to +1999 mV, 0 to 99.9°C
Temperature Compensation Range: Automatic/manual 0 to 99.9°C, converted to 25°C
25°C Conversion: Pure water and ammonia-added ultrapure water converted to 25°C
Resolution: 0.01 pH, 0.1 mV, 0.1°C
Accuracy: ±0.02 pH, ±0.5 mV, ±0.3°C
Input Impedance: >10¹²Ω
Current Isolated Output: Software set 0–10 mA (load < 1.5 kΩ) or 4–20 mA (load < 750 Ω); optional dual 4–20 mA outputs
Alarm Relay: AC220V, 3A, alarm signal isolated output
Communication Interface: Isolated RS485 (optional)
Power Supply: AC220V±22V, 50Hz±1Hz; optional DC24V±2.4V
Protection Rating: IP65
Operating Conditions: Ambient temperature 0–60°C, relative humidity ≤90%
Data Storage Capacity: 1 month (1 point/5 minutes)
Power-off Retention: >10 years
Weight and Dimensions: 0.8 kg, 146×146×108 mm
Panel Cutout Dimensions: 138×138 mm
Secondary Meter Installation: Panel-mounted/Wall-mounted/Rack-mounted/Pipeline-mounted
Electrode Installation: Flow-through/Submersion/Flange/Pipeline/Sidewall

Standard Configuration: One pHG5201 secondary meter, one T200 online ORP electrode.
Main Features
Chinese LCD display, Chinese menu-style operation, Chinese notepad
Microcomputer-based: Uses high-performance CPU chip, high-precision AD conversion technology, and SMT technology to achieve multi-parameter measurement, temperature compensation, and self-diagnosis, with high accuracy and good repeatability.
High Reliability: Single-board structure, touch keys, no switches, knobs, or potentiometers.
Water and Dust Protection Design: Protection rating IP65, suitable for outdoor use.
Electromagnetic Compatibility (EMC/RFI) Design: Designed and manufactured according to European standards EN50081/50082.
25°C Conversion: Nernst electrode slope temperature compensation, pure water and ammonia-added ultrapure water converted to 25°C.
Dual High-Impedance Input Circuit: Low internal resistance pH electrode, stable instrument performance, fast response, strong anti-interference.
Solution Ground Connection: Eliminates ground loop interference.
Electrode Diagnosis: Multiple calibration methods, E0 and S query, monitoring electrode performance.
Automatic Alarm Function: Isolated alarm signal output, adjustable upper and lower alarm limits, alarm hysteresis cancellation.
Network Function: Isolated current output and RS485 communication interface; current output corresponding to pH upper and lower limits adjustable; hysteresis adjustable, range (0–7.00 pH).
Industrial Control Watchdog: Ensures the instrument does not crash.
Historical Curve: Continuously records data for one month, one point every five minutes.
Notepad Function: Records 200 pieces of information.
Manual Current Source: Facilitates recording and testing of detection devices.
Built-in Real-Time Clock: Provides time reference for various functions.
Password Management: Calibration, parameter setting, and maintenance all protected by passwords.
Menu Illustration:

DCORP-820 Ordering Guide
1. Whether the electrode is two-composite or three-composite;
2. Electrode cable length; if not specified, 5m is provided;
3. If electrode cable length exceeds 20m, pHRT-1 impedance converter should be provided;
4. Installation method of electrode and secondary meter.
5. Power supply; if not specified, AC220V is provided.