T9258C Free Chlorine Analyzer uses DPD colorimetric method to detect the concentration of residual chlorine. It is an instrument with accurate measurement, high cost performance and low maintenance. It is suitable for the residual chlorine measurement in the process of chlorine disinfection and the monitoring of residual chlorine concentration in drinking water pipe network. Continuous operation for more than 30 days, to realize unattended operation, low operation and maintenance costs. Suitable for residual chlorine measurement in the disinfection process of tap water, circulating cooling water and sewage, and residual chlorine measurement of tap water pipe network.
Features:
Wide power supply input, with a 7-inch touch screen design
DPD colorimetry, with a more accurate and more stable measurement
Automatic diagnosis and automatic calibration
The measurement period is optional
Automatic or manual mode is optional
4-20 mA and RS485 output, relay control
Data storage function, support for U disk export
Technical specifications:
|
Principle |
DPD Colorimetry |
|
Range |
0-7.50mg/L(ppm) |
|
Resolution |
0.001mg/L(ppm) |
|
Accuracy |
±1%F.S |
|
Periodic time |
5-9999min adjustable, the default factory setting is 5min |
|
Screen |
A 7-inch color LCD touch screen display |
|
Power Supply Voltage |
110-240VAC, 50 / 60Hz; or 24VDC |
|
Analog output |
4-20mA output,Max.500Ω |
|
Digital communication |
RS485 Modbus RTU |
|
Alarm output |
2 sets of contacts: (1) sampling signal control(2) Hi / Lo alarm point, with hysteresis setting, 5A / 250VAC, 5A/30VDC |
|
Data storage |
History curve and 2 years of data storage function, support U disk export |
|
Operation requirement |
Operating temperature: 0-50℃; Humidity: 10-95%, non-condensation |
|
Traffic requirements |
Recommended 300-500 mL/min; pressure: 1bar |
|
Outlet |
Water sample inlet, water sample outlet, waste liquid discharge outlet: 6mm pipe |
|
levels of protection |
IP65 |
|
Size |
350x450x200mm |
|
Weight |
5.0Kg |












