Georg Fischer 2630 Data Sheet

Signet 2630 Amperometric Chlorine Electrode

Description

The Signet 2630 Amperometric Chlorine
electrode is designed to measure free
chlorine in drinking water and wastewater
treatment applications. The electrodes
are available with a measurement range
of 0 to 5 ppm. This electrode requires the
Signet 2650 Amperometric Electronics
module to communicate with the Signet
8630-3 Chlorine Transmitter.

Utilizing smart-sensor technology,
this electrode has a unique embedded
memory chip and can communicate a wide
variety of information to the Signet 2650
electronics and Signet 8630-3 Transmitter.

System Overview

Panel Mount

Signet Transmitter

(sold separately)

3-8630-3P

Displayed information includes electrode
type, factory calibration data, service time,
chlorine range, high and low pH (with
optional Signet pH electrode), temperature
values and more.

Signet’s patented DryLoc® connector
provides quick assembly and a secure
connection. Gold-plated contacts and
an O-ring seal ensure a waterproof and
reliable interconnect to the Signet 2650
Amperometric Electronics.
The Signet 2630 Amperometric Chlorine
Electrode has an integrated temperature
element for automatic temperature
compensation.

Features

• Embedded memory chip
accessible via the Signet
8630 transmitter

• Quick assembly with
Signet’s patented
DryLoc

®

connector

• Integrated temperature
element for automatic
temperature
compensation

• Separate drive
electronics (Signet

2650), for easy electrode
replacement without
running new cable

Applications

Residual Chlorine
Monitoring:

Water Distribution•
Ground Water •
Surface Water•
HVAC Applications•
(cooling water)
Boiler Feed Water•
Gray Water •
Dechlorination
Food and Beverage•
RO Membrane •
Protection
Swimming Pools•
Aquariums•
Water Parks•

Signet 2650 Chlorine
Amperometric Electronics

(sold separately)

Signet 3-2630-2 Chlorine
Electrode

Signet 3610 Fitting

(sold separately)

(Sold Separately)

LEAD FREE

Pb

RoHS

COMPLIANT

Dimensions

3-2630-2

26.4 mm

1.04 in.)

72.6 mm
(2.86 in.)

25.15 mm
(0.99 in.)

Model 263X
Ordering Notes

1) The sensor must have
a stable and constant
flow of water past
its membrane for
accurate free chlorine
measurement. Set the
flow rate through the
flow cell from 0.75 -

2.25 l/min.

(0.2 - 0.6 gpm).

107.2 mm
(4.23 in.)

Specifications

General

Polarization Source:
Signet 2650 Amperometric Electronics
Compatibility:
3-3610-1
3-3610-2
3-4630.392
Mounting: Signet DryLoc connection
Materials: CPVC
Free Chlorine:
Membrane Material: PVDF
O-ring Material: FPM
Working Electrode: Gold
Counter Reference Electrode:
Silver halide

Wetted Material

PVC, PVDF, FPM•

Performance

Electrode:
Repeatability:
+/- 0.08 ppm (mg/l) or 3% of
selected range whichever is less
Slope: 10 to 60 nA/ppm (mg/l)

Response Time, T90: < 2 minutes

System: (including electronics and instrument)

A• ccuracy: < ±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, Class B

Performance (continued)

Operational Ranges and Limits:

Free Chlorine Range:•
0 to 5 ppm (mg/l)
Free Chlorine pH Operating Range:•

5.5 to 9.0 pH
Operating Temperature:
0 °C to 45 °C (32 °F to 113 °F)

Maximum Operating Pressure

Membrane:•

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)
Interferences:
ClO
Chemical Compatibility:

, ozone, bromine

2

< 50% ethanol/water,
< 50% glycerol/water

Environmental

Storage Temperature (dry):

-10 ºC to 60 ºC (-4 ºF to 140 ºF)
Operating Temperature:
0 ºC to 45 ºC (32 ºF to 113 ºF)
Relative Humidity:
0 to 95% indoor/outdoor
non-condensing to rated ambient

Shipping Weight

0.14 kg 0.30 lb

Standards and Approvals

CE•
Manufactured under ISO 9001 for •
Quality
RoHs compliant•
China RoHS•

Application Tips

The sensors should •
not be used in
water containing
surfactants, oils,
organic chlorine or
stabilizers such as
cyanuric acid.

Ordering Information

Mfr. Part No. Code Description

3-2630-2 159 001 662 Free Chlorine electrode, 0 to 5 ppm (mg/l)

Accessories and Replacement Parts

Mfr. Part No. Code Description

3-2630.391 159 001 674 Free Chlorine electrolyte, 30 ml
3-2630.392 159 001 675 Free Chlorine replacement membrane (1)
3-2630.396 159 001 676 Free Chlorine replacement kit - (2) electrolyte and

(2) membranes

3-0700.390 198 864 403 pH Buffer Kit (1 each 4, 7, 10 pH buffer in powder form,

makes 50 mL)
3822-7004 159 001 581 pH 4.01 buffer solution, 1 pint (473 ml)
3822-7007 159 001 582 pH 7.00 buffer solution, 1 pint (473 ml)
3822-7010 159 001 583 pH 10.00 buffer solution, 1 pint (473 ml)
3-2700.395 159 001 605 Calibration kit: included 3 polypropylene cups, box used

as cup stand, 1 pint pH 4.01, 1 pint pH 7.00

3-2630.099 Rev B (10/10)

© Georg Fischer Signet LLC
3401 Aerojet Avenue, El Monte, CA 91731-2882 U.S.A. • Tel. [phone] • Fax [phone] • www.gfsignet.com • e-mail: [e-mail]
Specifications subject to change without notice. All rights reserved. All corporate names and trademarks stated herein are the property of their respective companies.