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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.

MicroTREK HTK−700
MicroTREK_HPA−700

MicroTREK Features

  • 2-wire compact transmitter
  • ±5 mm accuracy
  • High pressure
  • High-temperature range
  • Wide range of probes
  • Extremely small deadband
  • Rod, cable, or coaxial probe versions
  • Plug-in graphic display module
  • Explosion-proof variants
  • Plastic, aluminum or stainless steel housing
  • Up to 30 m measuring range
  • Tracking speed: 900 m/h (= 25 cm/s)
  • Advanced threshold management
  • False echo exclusion
  • Probe Correction Table (SCT)
  • Interface measurement
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.

https://www.intech.co.nz/wp-content/uploads/03_MicroTREK_L.mp4

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.

MicroTREK Specifications
Measured values Distance, level; calculated values: volume, mass
Measuring range Depends on the probe type and dielectric constant (εr) of the measured medium
Probe types Mono cable, twin cable, mono rod, twin rod, coaxial pipe and segmented rod
Accuracy Linearity 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 medium
1.4 (depending on the probe type)
Power supply 18 – 35 V DC, nominal 24 V DC, Ex version: 18 – 28 V DC, protection against surge transients
Output Digital communication 4 – 20 mA + HART®
Display SAP-300 graphical display unit
Ambient temperature -30 °C ~ 60 °C, with display: -20°C ~ 60°C
Medium temperature -30 °C … +90 °C High Temp Version -30 °C … +200 °C
With plastic coated probes see: Technical data of the coated probes
Max medium pressure 4 MPa (40 bar); with plastic lined flange: max. 2.5 MPa (25 bar);
with coaxial pipe probe: max. 1.6 MPa (16 bar)
Process connection Threaded, Flanged or Sanitary connections (as per order codes)
Ingress protection IP67
Electrical connection 2x 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 protection Class III
Housing material Plastic (PBT) or Paint coated Aluminium
Sealing FPM (Viton®), optional: FFKM (Kalrez®), EPDM
(1) Under reference conditions and stabilized temperature
Available in Plastic housing, Metal housing or Stainless steel housing.

MicroTREK H-700 - Cable Probe -Ordering Codes MicroTREK H-700 - with 8mm diam Rod Probe -Ordering Codes MicroTREK H-700 - with 14mm diam Rod or Coaxial Probe -Ordering Codes

  • Nivelco MicroTREK Guided Microwave Transmitters - Brochure 1.02 MB
  • Nivelco MicroTREK HT-400 Guided Microwave Transmitters - Installation Manual 2.35 MB

Product Range

Product Range:
CodeSpecificationsPriceQuantity
MicroTREK H-700

Guided Microwave Level Transmitters – POA – Please contact us for pricing.

$0.00

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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