Product Description

The KOBOLD NRF-2 and NRF-3 combination level and temperature transmitters are truly a unique product. They are designed to measure level and temperature of conductive and non-conductive liquids in tanks. For level sensing, the probe measures the change in capacitance that occurs as level changes in the tank. For temperature sensing, the probe utilizes a platinum resistive element. The NRF-2 includes a loop-powered transmitter for both level and temperature while the NRF-3 includes a loop-powered transmitter for level and a 3-wire RTD output. A choice of rugged enclosure types with either standard NPT or optional Tri-Clamp® process connections are offered. The standard probe material is PFA clad 316 SS. Easy level calibration is accomplished via 4 push buttons with temperature calibration adjustment (if required) via two potentiometers located on the transmitter.

NRF-2, NRF-3 - Capacitance Level and Temperature Transducer

Product Specifications

Fittings
3/4" NPT, 1-1/2"...3" Tri-Clamp®
Level Accuracy
± 1% of Span
Level Repeatability
± 0.1% of Span
Output
4-20mA Outputs for Level and Temperature or 4-20mA for Level and Pt-100 for Temperature
Max. Pressure
500 PSIG
Media Temperature Range
-58...392 °F
Maximum Length
12 Feet
Wetted Materials
316 Stainless Steel, PTFE, PFA
Probe
Fully PFA-clad or 316 SS

Product Features

Measures Both Level and Temperature with One Device
Compact Microprocessor Based Designs
High Accuracy
NPT Threaded and Tri-Clamp® Mountings
Heavy Duty Industrial Design
NRF-2 - NRF-3 Request Form
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