Name: Residual Chlorine Controller & Analyzer CL101
Brand: Senvolt
SKU: CL101

Residual Chlorine Controller & Analyzer CL101

Model CL101

Online residual (free) chlorine controller, 0–20.00 ppm, ±0.02 mg/L accuracy, 3 relays, 4–20 mA and RS485 Modbus RTU. For drinking water and STP disinfection.

0.00–20.00 ppm (mg/L) range

±0.02 mg/L accuracy

3 relays for chlorine dosing and alarms

4–20 mA + RS485 Modbus RTU

IP65, panel or wall mount

CL101 specifications

Measuring range	0.00–20.00 ppm; 0.00–20.00 mg/L
Accuracy	±0.02 mg/L (ppm) / 24 h
Resolution	0.01 mg/L (ppm), 0.1 °C
Relay alarm output	3 relays, high/low point trigger
Signal output	4–20 mA / RS485 Modbus RTU
Power supply	100–240 VAC or 24 VDC, 50/60 Hz
Dimensions	96 × 96 × 128 mm (H × W × D)
Panel cut-out	92 × 92 mm (H × W)
Protection	IP65
Calibration	2-point calibration
Installation	Wall or panel mounting
Weight	0.5 kg
Temperature compensation	PT1000, NTC10K, manual

The CL101 continuously measures residual chlorine to confirm disinfection and control dosing. It is used at water treatment plant outlets, overhead and underground storage tanks, STP treated-water reuse lines and swimming pools.

Use the relays to run a chlorine or hypochlorite dosing pump between low and high set points, and send the 4–20 mA / RS485 signal to your monitoring system for records.

Typical applications

Drinking water treatment and distribution
STP treated water for flushing and gardening
Swimming pools
Food and beverage wash water

Send us the application details and we will confirm the right configuration and lead time.

Residual Chlorine Controller & Analyzer CL101

CL101 specifications

Typical applications

More Water Quality Controllers & Analyzers

Get a quote for the CL101