What is ORP used for in wastewater treatment?

ORP distinguishes aerobic, anoxic and anaerobic conditions in biological zones, helping operators verify denitrification and biological phosphorus removal without waiting for lab results.

How far can the IDR be installed from the controller?

Because the measurement is digitized inside the probe, RS485 Modbus cabling can run several hundred meters without compromising accuracy — far beyond the limits of analog mV signals.

ORP

IDR Integrated Digital ORP Sensor

ORP

Integrated digital ORP sensor for oxidation-reduction potential monitoring — digital Modbus output, plug-and-play with TENGINE controllers.

Fully digital probe with on-board measurement and storage
RS485 Modbus RTU networking over long cable runs
Stable redox measurement for biological and disinfection processes
IP68 submersible, low-maintenance design

Yêu cầu báo giá Trao đổi với kỹ sư

Tổng quan

An ORP sensor measures the oxidation-reduction potential of water, indicating the process conditions in biological treatment zones and the disinfection capacity of chlorinated water.

The IDR Integrated Digital ORP Sensor uses a platinum electrode as the indicating electrode and a saturated calomel electrode as the reference. Together with the water sample, they form a galvanic cell. The oxidation-reduction potential is measured relative to the reference electrode by an electronic millivoltmeter, then converted to an ORP value relative to the Standard Hydrogen Electrode (SHE) for final reporting.

Ứng dụng tiêu biểu

Anoxic / aerobic zone monitoring in biological wastewater treatmentDisinfection control and chlorine residual process verificationRedox-critical industrial processesDistributed monitoring points networked with TC1000 / TC2000 controllers

Tính năng

High-impedance differential input suitable for a wide range of applications
Digitized sensor design significantly enhances anti-interference capability
Long-distance cabling up to several hundred meters without compromising measurement accuracy
Corrosion-resistant housing for immersion service

Thông số kỹ thuật

Thông số	Thông số kỹ thuật
Phương pháp đo	Phương pháp điện cực thủy tinh
Thang đo	-2000 to 2000 mV
Độ chính xác	Khối điện tử: ±1 mV; theo dung dịch chuẩn ORP: ±20 mV hoặc ±1% FS (lấy giá trị lớn hơn)
Độ lặp lại	±20 mV or ±1% FS
Độ phân giải	0.3 mV
Độ trôi	±20 mV or ±1% FS
Nhiệt độ vận hành	0 đến 60 °C (không đóng băng)
Cấp bảo vệ	IP68
Áp lực vận hành	0–4 bar
Giao tiếp truyền thông	Giao tiếp RS485, giao thức Modbus RTU
Nguồn cấp	9–28 VDC
Kích thước	Φ40.5 × 260 mm
Vật liệu	Thép không gỉ 316L