Signet pH/ORP Sensors
 +GF+ SIGNET
2714/2714-HF/2716/2716-DI pH Electrodes
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Description
The +GF+ SIGNET 2714 and 2716 pH Electrodes offer unsurpassed accuracy and reliability. The unique twist-lock design enables electrode installation and maintenance with virtually zero downtime. A long double junction reference path provides long-term use in industrial process and wastewater application.
Features
- Double junction combination
electrode
- Integrated temperature sensor
- Long-reference path
- Flat surface resists fouling
- DI option for pure waters
- HF option for applications containing trace amounts of Hydrofluoric Acid
Applications
- Water and wastewater treatment
systems
- Industrial processes
- Plating
- Effluent monitoring
- Effluent pretreatment
- Pure and ultra-pure water
production
- Industrial pools and spas
Compatibility
- 5700 pH/ORP Monitor
- 8710 pH Transmitter
- 9030 pH Controller
Technical Data
| Operating Range: | pH: 0 to 14 |
| Temperature: | 2716: 32 to 185 degrees F, 2714: 50 to 185 degrees F,3-2714-HF: 50 to 185 degrees F |
| Pressure: | 100 psi @ 32 to 149 degrees F, 58 psi @ 150 to 185 degrees F |
| Pipe Size Range: | Fits
+GF+ SIGNET tees from 0.5 to 4.0 in. (use P31515-OV200 in pipes over 4 in.) Vertical mounting +/-30 degrees required Submersion with 3-2720 requires 3/4 in. NPT or ISO 7-1/R 3/4 Male thread |
| Efficiency: | >97% @ 25 degrees C |
| Response Time: | < 5 secs. for 95% of signal change |
| Materials: | CPVC
Body Viton® O-rings Porous UHMW Polyethylene reference junctions Reference: Ag/AgCl Reference Gel: 3.5M KCl (2714, 2714-HF, 2716); 0.1M KCl (2716-DI) saturated with AgCl |
| Primary Functions: | 2714:
Flat surface resists fouling for heavy industry 2716: Bulb for pool/spa and surface waters 2714-HF: Extended use in applications with trace hydrofluoric acid 2716-DI: Extended use in pure waters <100 µS |
| Temperature Sensor: | 3 K ohm Balco |
Ordering Information
Part No. |
Description |
| 3-2714 3-2714-HF 3-2716 3-2716-DI |
Flat
pH electrode Flat pH hydrofluoric acid resistant electrode Bulb pH electrode Bulb pH electrode for process liquids <100 µS |
(All use +GF+ SIGNET 2720 Preamplifier)
+GF+ SIGNET 2715/2717 ORP Electrodes
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| Operating Range: | ORP: -1,000 to + 2,000 mV's |
| Temperature: | 32 to 185 degrees F (2717); 50 to 185 degrees F (2715) |
| Pressure: | 100 psi: 32 to 149 degrees F; 58 psi: 150 to 185 degrees F |
| Pipe Size Range: | Fits all +GF+ SIGNET fittings (use P31515-OV200 in pipes over 4 in.Submersion with 3-2720 requires 3/4 in. NPT or ISO 7-1/R 3/4 male thread |
| Efficiency: | >/= 97% @ 25 degrees C |
| Response Time: | < 5 secs. for 95% of signal change |
| Materials: | CPVC
Body Viton® O-rings Porous UHMW Polyethylene reference junctions Platinum sensing surface Reference: Ag/AgCl Reference Gel: 3.5M KCL saturated with AgCl |
| Primary Functions: | 2715:
Flat surface resists fouling for heavy industry 2717: Bulb surface for general use |
Ordering
Information
Part No. |
Description |
| 3-2715 3-2717 |
Flat
ORP Electrode Bulb ORP Electrode |
(For use with +GF+ SIGNET 2720 Preamplifier
+GF+ SIGNET 2720 Preamplifier
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Description| Operating Range: | mV Input: +/-2,500 mV's |
| Temperature: | 32 to 176 degrees F |
| Power Requirements: | Provided by all +GF+ SIGNET pH/ORP instruments |
| Maximum Current: | <1 mA |
| Temperature Contact Resistance: | <100 milliohms |
| End Connection: | BNC Bayonet mount to any +GF+ SIGNET 2714, 2715, 2716, or 2717 Electrodes |
| In-line Usage: | Place P31542 sensor cap between electrode and preamp |
| Submersible Usage: | Direct connection to electrode. (Submersion of 2720 requires 3/4" NPT or ISO 7-1/R 3/4 Male thread watertight cable conduit or sealed pipe) |
| Input Impedance: | > 10 to the 11th power Ohm |
| Gain: | Unity |
| Materials: | CPVC
Body Cable type: 6 conductor, foil shield, w/drain wire Cable length: 15 ft. (400 ft. max.) |
Ordering
Information
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Part No. |
Description |
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Basic Unit: |
3-2720 | Pre-amplifier 3/4 in. FNPT |
| 3-2720-2 | Pre-amplifier ISO 7/1-R 3/4 | |
| Accessories: | P31542 | Threaded cap for in-line sensor mounting |
Kalrez(R) and Viton(R) are registered trademarks of DuPont Dow Elastomers.
