3
GF 263X Series Chlorine Electrodes
Operational Ranges and Limits
Free Chlorine
Range
3-2630-1......................... 0.02 to 2 ppm (mg/L)
3-2630-2......................... 0.05 to 5 ppm (mg/L)
3-2630-3......................... 0.1 to 20 ppm (mg/L)
pH Operating Range..........5.5 pH to 8.2 pH
Chlorine Dioxide
Range
3-2632-1......................... 0.02 to 2 ppm (mg/L)
pH Operating Range..........4.0 pH to 11 pH
Maximum Operating
Temperature ......................5 °C to 45 °C (41 °F to 113 °F)
Maximum Operating
Pressure ............................0.48 bar @ 25 °C (7 psi @ 77 °F)
Flow Velocity Across Membrane Surface
Minimum ........................ 15 cm/s (0.49 ft/s)
Maximum ....................... 30 cm/s (0.98 ft/s)
Sensitivity
Free Chlorine
Cross Sensitivity ............Chlorine Dioxide, ozone, bromine
Chlorine Dioxide
Cross Sensitivity ............Free Chlorine, ozone
Chemical Compatibility ......< 50% ethanol/water
< 50% glycerol/water
Environmental Requirements
Storage Temperature
(Dry) .................................-10 °C to 60 °C (14 °F to 140 °F)
System Temperature ...... -10 °C to 60 °C (14 °F to 140 °F)
Relative Humidity ........... 0 to 95% indoor/outdoor
non-condensing to rated ambient
Standards and Approvals
• CE, WEEE
• RoHS Compliant
• Manufactured under ISO 9001 for quality
China RoHS (Go to www.gfsignet.com for details)
Declaration of Conformity according to FCC Part 15
This device complies with Part 15 of the FCC rules.
Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received,
including interference that may cause undesired operation.
Specifications
General
Polarization Source ....GF 2650 Amperometric Electronics
Compatible Flow
Cells ...........................GF 3-3610-1 (159 001 683)
GF 3-3610-2 (159 001 684)
GF 3-4630.392 (159 001 690)
Mounting .....................GF DryLoc connection
Materials .....................CPVC
Membrane ..................PTFE
O-ring..........................FKM
Working electrode .......Gold
Counter reference
electrode .....................Silver halide
Wetted Materials .........PVC, PTFE, FKM, Nylon, Silicone
Performance Specifications
Electrode
Repeatability ..............±0.08 ppm (mg/L) or 3% of selected
range, whichever is less
Free Chlorine Slope ...15 to 60 nA/ppm (mg/L) @ 25 °C
Chlorine Dioxide
Slope ..........................40 to 200 nA/ppm (mg/L) @ 17 °C
Response Time, T90 ..< 2 minutes
System (including electronics and instrument)
Accuracy ....................<±3% of electrode signal after
calibration
Resolution ..................<0.5% of electrode range
Sensor Conditioning
New, first start up
.......4 hours maximum before calibration
Subsequent
start ups .....................2 hours maximum
Temperature
Element ....................... Pt1000
