Gf Signet 3-2873-A125 Gf 2870 - 2874 Conductivity/Resistivity Electrodes 25-Ft Cable No Certificate

Product Description

The GF 2870-2874 contact conductivity electrodes are ideally suited for measuring resistivity/conductivity of liquids ranging from pure and ultrapure water to seawater, rinse water and chemical solutions.
The 2870-2873 conductivity probes are two-electrode flow-through cell design coaxially arranged made of 316L stainless steel material, PTFE insulator and Polypropylene process connection. A platinum RTD (Pt1000) located within the electrode allows for optimal temperature sensing. With a reversible process connection, these electrodes are designed to provide installation versatility in submersible and in-line configurations.

The 2874 conductivity probes have a two-electrode parallel path flow through cell design made of CPVC body, 316L stainless steel electrodes, PTFE insulator and 316L stainless steel thermowell to allow for optimal temperature sensing.
Constructed of high-precision, extremely accurate stainless tubing, the GF 287X electrodes deliver outstanding measurement accuracy and repeatability.Units with and without certificate of calibration are available.

The calibrated electrodes meet a ±1% cell constant accuracyustom cell constant information programmed into the electronics at the factory to provide a 2% sensor accuracy. See page 6 for details.

Product Information

Specifications

Operating Range
Conductivity : 10 μS/cm to 10,000 μS/cm at 25 °C (77 °F)
TDS : 5 to 5,000 ppm
Nominal Cell Constant
Cell Constant Accuracy : ± 2%
Certified Cell Constant : ± 1%
Temperature
Temperature Compensation : Pt1000
Temperature Range : -20 to 95 °C (- 4 to 203 °F)
Temperature Accuracy : 0.3 °C
Cable length
Standard : 4.6 m (15 ft) and 7.6 m (25 ft)
Maximum : 30 m (100 ft.) with 3-9900 and 3-9950 direct conductivity resistivity modules.
4.6 m (15 ft.) with 3-2850 conductivity electronics.
Wetted Materials
Electrodes : 316L Stainless Steel (1.4408, DIN 17440)
Process Connection : ¾" NPT Polypropylene
Insulator Material : PTFE
O-Rings : EPR (EPDM)
Maximum Temperature/Pressure Rating
Standard Polypropylene : 6.4 bar at 95 °C (93 psi at 203 °F)
(3-2870.391) ¾" NPT 316SS : 13.8 bar at 120 °C (200 psi at 248 °F)
Shipping Weight
3-2873-A125 0.28 kg (0.62 lb.)

Features
• Process connection
• ¾” NPT Polypropylene (standard for 0.01, 0.1 and 1.0 cell)
• ¾” NPT 316L SS (standard for 10.0 cell)
• ¾” NPT 316L SS (optional for 0.01, 0.1 and 1.0 cell)
• New three-hole flow-through design for facilitated installation
• Passivated 316L SS electrodes material
• In-line or submersible mounting for all cell constants
• Option for NIST traceable certified cell constant ±1%

Applications
• Pure Water Treatment
- Microfiltration
- Ultrafiltration
- Reverse Osmosis
- Ion Exchange
- Deionization
- Distillation
• Boiler Condensate
• Semiconductor Water Production
• USP Purified Water
• Rinse Water
• TDS (Total Dissolved Solids)
• Salinity
• WFI Water Production

Product Photo

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