Manual

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: 3KΩ 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