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GF Signet 2714-2717 pH_ORP Electrodes User Manual

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Signet 2714-2717 Twist-Lock pH and ORP Electrodes

1. Technical Data

1.1 General
Compatibility:

Signet 2720 Twist-Lock Preamplifi er

Pipe Size Range: ½ in. and larger

• Use Signet installation fi ttings to 4 in.
• Use pipe adapter in pipes over 4 in.
• Submersion with 2720 pre-amplifi er requires ¾ in. NPT or

ISO 7-R ¾ in. male threaded extensions

Effi ciency:

>97% @ 25°C (77° F)

Wetted Materials:

CPVC Body

Glass
FPM

O-rings

Porous UHMW Polyethylene reference
junctions

ORP: Platinum sensing surface

Primary Functions:

2714, 2715: Flat surface resists fouling

2716, 2717: Bulb surface for general
use
2714-HF: Extended use in applications
with trace hydrofl uoric acid (<2%)

2716-DI: Extended use in pure waters
(<100 μS)

Secondary Junction:

Nylon Filament

Element:

Ag/AgCl

Shipping Weight:

0.2 kg (0.4 lb)

Chinese RoHS (Go to www.gfsignet.com for details)

1.2 2714 and 2716 pH Electrodes
Operating Range:

0 to 14 pH (2714-HF: 0 to 12 pH)

Reference: Electrolyte:

Solidifi ed Acrylamide Gel

3.5M KCI (2714, 2714-HF, 2716)

0.1 M KCl (2716-DI)

Temperature Sensor:

3K

Ω Balco (3000Ω = 25°C)

ResponseTime:

<5 s for 95% of signal change

Response Time,

τ:

140 s (2714), 196 s (2716)

1.3 2715 and 2717 ORP Electrodes
Operating Range:

-999 to +999 mV

Reference: Electrolyte:

Solidifi ed Acrylamide Gel

3.5M KCL

Response Time,

τ: Application

dependent

1.5 Dimensions

Flat electrode

Bulb electrode

1.4 Temperature and pressure specifi cations
ORP electrode operating Temperature/Pressure
• 6.89 bar @ 0°C to 65ºC (100 psi @ 32° to 149°F)
• 4.00 bar @ 66ºC to 85°C (58 psi @150° to 185°F)

2716 and 2716-DI pH electrode operating Temperature/Pressure
• 6.89 bar @ 0°C to 65ºC (100 psi @ 32° to 149°F)
• 4.00 bar @ 66ºC to 85°C (58 psi @150° to 185°F)

2714 pH electrode operating Temperature/Pressure
• 6.89 bar @ 10°C to 65ºC (100 psi @ 50° to 149°F)
• 4.00 bar @ 66ºC to 85°C (58 psi @150° to 185°F)

2714-HF pH electrode operating Temperature/Pressure
• 6.89 bar @ 0°C to 50ºC (100 psi @ 32° to 122°F)

Storage Temperature: > -10°C (14°F)

1.0 in.

(27 mm)

0.9 in.

(23 mm)

4.1 in.

(104 mm)

3.4 in.

(86 mm)

1.2 in.

(30.5 mm)

2.6 in.

(65 mm)

1.0 in.

(27 mm)

1.2 in.

(30.5 mm)

2.6 in.

(65 mm)

0.9 in.

(23 mm)

3.4 in.

(86 mm)

3.8 in.

(97 mm)

50

3

PSI

BAR

50

122

75

167

25

77

0 10

32 50

25

2

75

5

100

7

°F

°C

2714

2714-HF

SAFETY INSTRUCTIONS
1. Depressurize and vent system prior to installation or removal.
2. Confi rm chemical compatibility before use.
3. Do not exceed maximum temperature/pressure specifi cations.
4. Wear safety goggles or faceshield during installation/service.
5. Do not alter product construction.
6. When using chemicals or solvents care should be taken and appropriate eye, face, hand, body,

and/or respiratory protection should be used.

*3-2714.090-1*

3-2714.090-1

Rev. J 3/08 English

English