Electro-Chemical Devices (ECD) DCA-23 - Manual (Page 25)

DCA-23 Page 19
8.0 ENGINEERING DOCUMENTATION
The information and technical data disclosed in this document may be used and disseminated only for
the purposes and to the extent specifically authorized in writing by Electro-Chemical Devices. Electro-
Chemical Devices reserves the right to change published specifications and designs without prior notice.
8.1 SPECIFICATIONS
Sensors and Flow Train
TRO (Total Residual Oxidant Sensor)
Combined sensor, Platinum electrode, KCl/AgCl reference electrode with porous Teflon junction, 3 K-
ohm temperature sensor and signal conditioner
PHS 10 (pH sensor)
Combined sensor, pH glass electrode, KCl/AgCl reference electrode with porous Teflon junction, 3 K-
ohm temperature sensor and signal conditioner
Measurement Range
TRO
±1500 mV
pH 2 - 12 pH
Temperature 0° to 60° C (32°- 122°F)
Pressure 50 psig, max. (3.4 bar, max.)
Wetted Materials
PVC, Poly Propylene, PTFE, Viton, Glass, Platinum
Process Connections
Input
Schedule 80 PVC, ¾” slip fitting
Drain Schedule 80 PVC, ¾” slip fitting
Performance Characteristics
Measurement Range:
0.00 to 2.00 ppm Chlorine
Accuracy: Dependent on the accuracy of the DPD test and pH value
Minimum Detection Limit: 0.014 ppm (MDL)
Limit of Quantification: 0.044 ppm (LOQ)
Response Time: Chlorine < 2 minutes (T90)
Temp. < 2 minutes (T90)
pH < 30 seconds (T90)
Drift < 1.5% month