residual chlorine analyzer/Online Chlorine Meter for swimming pool

XY-2000A Industrial chlorine-line water quality monitoring instrument is a micro processor-controlled instrument. The instrument is widely used in drinking water treatment plants, drinking water distribution network, a swimming pool, water treatment works, sewage treatment, water disinfection (chlorine dioxide generator package) and other process industries, aqueous solution of chlorine and temperature values continuous monitoring and control. 

Technical Parameters:

( 1 ) Measurement range ( can be set manually ) :
       I chloride : 0 ~ 2.00mg / L (ppm);
       0 ~ 5.00mg / L;
       0 ~ 10.00mg / L;
       0 ~ 20.00mg / L;
       Temperature : -5 ~ 60.0 °C;
( 2 ) Resolution:
       I Chlorine : 0.001mg / L; Temperature : 0.1 °C;
( 3 ) Basic error :
       I Chlorine : ± 1% F • S; temperature : ± 0.3 °C;
( 4 ) Response time : 90% less than 90 seconds ;
( 5 ) pH compensation range : Manual pH compensation : 5 ~ 9pH;
( 6 ) isolated current output:
      0 ~ 10mA ( load resistance <1.5KΩ);
      4 ~ 20mA ( load resistance <750Ω);
( 7 ) two relay control contact : 3A 240VAC, 6A28VDC or 120VAC;
( 8 ) Instrument Power Supply:
       220VAC ± 10%, 50 ± 1Hz, power ≤ 3W;
       24VDC, Power : ≤ 1W ( optional ) ;
      12VDC, Power : ≤ 1W ( optional ) ;
( 9 ) Instrument Dimensions : 96 × 96 × 130mm;
( 10 ) Meter Installation: panel mounting ( embedded ) ;
         Installation hole size : 91 × 91mm;
         Wall-mounted : 300 × 200 × 167mm;
( 11 ) Optional features:
         RS485 / / RS232 communication interface connected to the computer ;
( 12 ) Instrument Weight : 0.6kg;
( 13 ) Instrument working environment:
         Ambient temperature : -10 ~ 60 °C;
         Relative humidity: less than 90% ;
         In addition to the Earth's magnetic field without strong magnetic field around it.  dust

Features:
LCD large-screen LCD 
Chinese intelligent menu operation 
A variety of automatic calibration function 
Optional signal output 
Manual, automatic temperature compensation 
Manual pH value compensation 
Two relay control switch 
High limit and low limit, hysteresis control 
RS485 / / RS232 communication connection optional 
Same interface displays chlorine, PH and temperature values 
Password protection is provided to prevent the misuse of non-staff steel