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NGM - Guided Wave Radar Level Transmitter
Brand: KOBOLD Instruments, IncThe KOBOLD NGM guided wave radar level transmitter employs time domain reflectometry (TDR) technology, which is also known as “guided microwave” or “guided wave radar".
Low-energy and high-frequency electromagnetic impulses, generated by the sensor’s circuitry, are propagated along the probe, which is then immersed in the liquid or solid to be measured.
When these impulses hit the media's surface, part of the impulse energy is reflected back up the probe to the circuitry.
The level is then calculated from the time difference between the impulses sent and the impulses reflected.
The NGM can transmit the level as a 4-20 mA analog output or it can convert the values into a freely programmable switching output signal.
Features- Suitable for Many Liquids and Light Solids
- Independent of Density, Temperature, Pressure and Humidity
- Modular Probe Design
- Complete Galvanic Insulation of Device Electronics
- Made in the USA
- Ideal Solution for Tanks with Difficult Geometry
Specifications
Brand
Measuring Range
- Liquids up to 65 Feet
Fittings
- 3/4” NPT
- G 3/4
- ANSI Flange 1-1/2” to 4”
- DIN Flange DN 40 to DN 100
Wetted Parts
- Stainless Steel
- PTFE
Operating Pressure
- -14.5 to 580 psig
Media Temperature
- -320° F to 480° F
Accuracy
- ± 3 mm or 0.03 % of Measured Value
Power Supply
- 12-30 Vdc, 4-Wire
Output
- 4-20 mA
- PNP Switching