KOBOLD Instruments Inc • 1801 Parkway View Drive • 15205 Pittsburgh, PA • Tel: +1 412 788 2830 • E-mail: Please activate JavaScript visit koboldusa.com

ngm-fuellstand.png: Guided Radar Level Transmitter NGM

Guided Radar Level Transmitter NGM

For liquids and solids

Measuring range: liquids up to 20 m
Connection: G ¾, ¾" NPT male thread,
flange DN40 ... DN100, ANSI 1½"... 4"
Material connection: stainless steel, PTFE
Pressure range: -1 ... +40 bar
Temperature range: -50 ... +250°C
Accuracy: ±3 mm or 0.03 % of reading
Power supply: 12 - 30 VDC, 4-wire
Output: 4 - 20 mA, switching output PNP

Datasheet

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ngm-gb-level

1,3 MB

Operating Instructions

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NGM - Operating Instructions

4,3 MB
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HARTCOMM - Operating Instructions

304 KB
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NGM-HART - Operating Instructions

4,7 MB

Approvals

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SEV13ATEX0108X

II 1/2G Ex ia/db IIC T6 Ga/Gb
II 1/2D Ex ia/tb IIIC T86°C IP68 Da/Db
II 2G Ex ia db IIC T6 Gb
II 2D Ex ia tb IIIC T86°C IP68 Db

163 KB

Downloads

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Software

Configuration Tool

1,4 MB

Driver for HARTCOMM Modem

Description

NGM uses TDR (Time Domain Reflectometry) technology, which is also known as Guide Microwave or Guided Wave Radar. This means that low-energy and high-frequency electromagnetic impulses, generated by the sensor’s circuitry, are propagated along the probe which is immersed in the liquid or solid to be measured.

When these impulses hit the surface of the media, part of the impulse energy is reflected back up the probe to the circuitry which then calculates the level from the time difference between the impulses sent and the impulses reflected. The sensor can output the analysed level as 4 ... 20 mA analogue output, or it can convert the values into freely programmable switching output signal.

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