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Home | Products | Level | Level Transmitters | Guided Microwave | MicroTREK

MicroTREK – Guided Microwave Level Transmitters

2-wire Compact TDR Level Transmitter for liquids and free-flowing solids with stainless steel mono or twin rod probe with or without plastic coating.

Main Features:

  • Measuring range up to 24 m
  • Accuracy: ±5 mm
  • Measurement is independent of dielectric constant, temperature, pressure and density variations
  • Rod, cable and coaxial probes
  • Segmented rod probe version
  • Minimum εr > 1.4
  • 2-wire version
  • Graphic display
  • 4-20 mA + HART© output
  • Medium temperature range:-30°C … +200°C
  • Maximum process pressure: 40 bar
  • IP67 protection
Brand: NIVELCO
Available on request
Request a quote
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  • Product Details
  • Technical Specs
  • Ordering Information
  • Documents
https://www.intech.co.nz/wp-content/uploads/2019/11/microtrek.mp4

The MicroTREK Guided Wave Radar level transmitter is designed for continuous level measuring of conductive or non-conductive liquids, pulps and solids. MicroTREK level gauge operates based on the well-known TDR (Time Domain Reflectometry) principle.

Micropulses are sent along a probe guide at the speed of light. As soon as the impulse reaches the surface of the medium, it is reflected back to the electronic module. Level distance is directly proportional to the flight time of the impulse.

The reflected signal is dependent on the dielectric constant of the material, the feasibility of the measurement is εr > 1.4.

The TDR technology is unaffected by the properties of the medium as well as that of the space above it. Measurement is also unaffected by the change in the physical properties of the materials such as temperature, pressure, dielectric constant.

Version Plastic housingMetal housingHigh Temperature version
Measured valuesDistance, level; calculated values: volume, mass
Measuring rangeDepends on the probe type and dielectric constant (εr) of the measured medium
Probe typesMono cable, twin cable, mono rod, twin rod, coaxial pipe and segmented rod
AccuracyLinearity error(1)For liquids: ±5 mm, if probe length ≥ 10 m: ±0.05% of the probe length
For solids: ±20 mm, if probe length
 ≥ 10m: ±0.2% of the probe length
Resolution±3 μA
Minimum εr of the medium1.4 (depending on the probe type)
Power supply18 – 35 V DC, nominal 24 V DC, Ex version: 18 – 28 V DC, protection against surge transients
OutputDigital communication4 – 20 mA + HART®
DisplaySAP-300 graphical display unit
Medium temperature-30 °C … +90 °C-30 °C … +200 °C
With plastic coated probes see: Technical data of the coated probes
Maximum medium pressure4 MPa (40 bar); with plastic lined flange: max. 2.5 MPa (25 bar); with coaxial pipe probe: max. 1.6 MPa (16 bar)
Ambient temperature-20 °C … +60 °C-30 °C … +60 °C, with display: -20°C ...+60°C
Process connectionThreaded, Flanged or Sanitary connections (as per order codes)
Ingress protectionIP67
Electrical connection2x M20x1.5 cable glands + internal thread for 2x ½" NPT cable protective pipe, cable outer diameter: Ø7 – Ø 13 mm, wire cross section: max. 1.5 mm2
Electrical protectionClass III
Housing materialPlastic (PBT)Paint coated aluminium
SealingFPM (Viton®), optional: FFKM (Kalrez®), EPDM
Explosion protection—See: Special data for Ex certified models
Mass (head unit)1.5 kg2 kg2.5 kg

(1) Under reference conditions and stabilized temperature

  • Nivelco MicroTREK Guided Microwave Transmitters - Brochure 1.29 MB
  • Nivelco MicroTREK HT-400 Guided Microwave Transmitters - Installation Manual 2.11 MB

Product Range

Product Range:
CodeSpecificationsPriceQuantity
HTR-501

Mono Rod 1″ BSP 1m (max 3m).

$2,370.00
HTT-501

Twin cable 1.5″BSP 1m (max 24m).

$3,500.00
HTA-501

Coaxial 1″ BSP 1m (max 6m).

$2,840.00

Please contact us for other models available.

All prices are in NZ$, and GST exclusive and are subject to change without notice.

Intech Instruments Ltd are the New Zealand distributor for Nivelco products. Please contact the Nivelco distributor in your country if you require sales or service support for Nivelco products.

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  • (03) 343-0646Christchurch
  • (09) 827-1930Auckland
  • sales@intech.co.nz

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