SUPMEA SUP-TRC400

Residual Chlorine Meter

Description

SUPMEA SUP-TRC400 Residual Chlorine Meter

In water treatment, swimming pools, food & beverage, pharmaceuticals, and industrial applications, accurate monitoring of residual chlorine is vital. The SUPMEA SUP‑TRC400 Residual Chlorine Meter delivers high precision, fast response, and low maintenance—making it an ideal solution for those demanding reliable chlorine measurement.

The residual chlorine meter has a built-in sensor, which has the characteristics of high measurement accuracy, fast response time and low maintenance cost. The residual chlorine meter outputs 4~20mA standard signal and RS485 signal, which can be connected to various regulators, and can be connected to two-position regulators, time proportional regulators, non-linear regulators and classic PID regulators according to requirements, which can be combined into various types. Residual chlorine control system.

Features

The electrode measurement is accurate and the response speed is fast
LCD with backlight, easy and intuitive operation
With automatic temperature compensation, pH manual compensation function
Restore factory function to avoid data loss by misoperation
Isolated 4-20mA standard signal can realize signal remote transmission
Range can be switched manually
A variety of calibration methods are convenient for on-site adjustment

Characteristics

Measure range
- Residual chlorine: (0~5) mg/L
- Temperature: (0.1~40.0)℃
Load Resistance: ≤750Ω
Power supply: 220VAC
Communication: MODBUS RS485

Specifications

SUP-TRC 400 Residual chlorine meter

Product	Residual chlorine meter
Model	SUP-TRC400
Measure range	Residual chlorine: (0~5) mg/L Temperature: (0.1~40.0)℃
Display	7 inch touch screen
Protective box size	Dimensions : 400mm×300mm×180mm Visual size : 155mm×87mm
Transmit output	(4~20)mA (optional)
Load resistance	≤750Ω
Communication	RS485, Modbus
Environmental humidity	≤95% no condensate
Power supply	220VAC
Ingress protection	IP43

Measurement content	HCLO、CLO2
Measuring system	Microelectronics MEMS technology, special membrane structure
Measure range	(0~5）mg/L
Accuracy	When ≤0.1mg/L, the absolute error is ±0.01mg/L; When ≥0.1mg/L, ±5% of the measured value or ±0.02mg/L (whichever is greater)
Resolution	0.01
Polarization time	When using for the first time, first pass water for 2 hours in chlorinated water, and then power on for half an hour.
Response time	Less than 30s after polarization is completed
Minimum conductivity	≥100us/cm, can not be used for ultrapure water
Operating temperature	(0.1~40) ℃ (No condensed water)
Temperature compensation	Pt1000 with built-in integrated automatic compensation
Max pressure	4bar
Recommended flow rate	≥0.03m/s in flow cell
pH range	(5~9) pH, below 5 will damage the membrane head
Maximum chlorine concentration	≥5ppm
Power supply	Standard 24V DC±2V; optional 12V DC±2V
Power consumption	1.56W
Digital communication	MODBUS RS485
Cable length	Standard 3 meters, others can be customized
Probe weight	210g
Thread size	NPT 3/4
Connection method	5-pin waterproof aviation plug
Moisture-proof material	PVC and Viton® O-ring seals