00186701_0
Sash distance sensor Type DS-TRD


00186701_0

DS-TRD

For EASYLAB fume cupboard controllers

Sash distance sensor for the variable, demand-based control of extract air flows in fume cupboards

  • Sash distance measurement
  • For fume cupboards with vertical sashes only; also for walk-in fume cupboards
  • Ideal for rooms with high airflow velocities or levels of turbulence
  • Multiple possibilities to couple the sensor with the sash movement
  • Measuring range 0 – 1750 mm or 350 – 2100 mm

Tehničke informacije

  • Function
  • Technical data
  • Specification text
  • Order code
DS-TRD sash distance sensor 00183213_0
① Sensor casing
② Connecting cable
③ Measuring wire
④ Screws / washers
⑤ Fixing bracket


Functional description

The sash distance is recorded with a draw wire that is linked to the sash movement. The output signal is proportional to the sash distance. The sensor can be used only with vertical sashes.


DS-TRD for fume cupboard control – linear control strategy

  • EASYLAB controller TCU3: Equipment function FH-DS


  • Variable volume flow control based on the measured sash distance
  • Volume flow rate is linear to the sash position: OPEN corresponds to Vmax, CLOSED corresponds to Vmin
  • Sash opening can be monitored according to EN 14175, without additional switch contact


DS-TRD for fume cupboard control – safety-optimised control strategy

  • EASYLAB controller TCU3: Equipment function FH-DV


  • Safety-optimised volume flow control based on the measured sash distance
  • The volume flow rate is linear to the sash distance; the aim is to maintain a constant safe face velocity (0.5 m/s) even if the sash is fairly wide open
  • Sash opening can be monitored according to EN 14175, without additional switch contact

Supply voltage12 V DC from the controller
Measuring range0 – 1750 mm or 350 – 2100 mm
Measurement accuracy± 0.25 % of the reading
Actual value signal output0 – 10 V DC, 0.5 mA max.
Operating temperature–20 to 40 °C
IEC protection classIII (protective extra-low voltage)
Protection levelIP 40
EC conformityEMC according to 2004/108/EC


Electronic sash distance sensor for the EASYLAB system, used to capture the sash distance of fume cupboards.

Suitable for sashes with 1750 mm maximum opening.

The sash distance is measured using a draw wire. A 0 – 10 V DC voltage signal that is proportional to the sash distance is emitted. If the sensor is connected to a fume cupboard controller, the volume flow is controlled based on demand.

Simple installation in several installation positions on the fume cupboard; simple linking to the sash movement.

Special characteristics

  • Suitable for sashes with 1750 mm maximum opening
  • Suitable for EASYLAB controller TCU3
  • Can be used with different control strategies (FH-DS and FH-DV)
  • Ideal for rooms with high airflow velocities or levels of turbulence
  • Replaces a separate contact for sash distance monitoring according to EN 14175

Materials and surfaces

  • Plastic casing, black
  • Measuring wire made of stainless steel, with a polyamide jacket
  • Mounting bracket made of galvanised sheet steel

Technical data

  • Supply voltage 12 V DC from the controller
  • Measuring range: 0 – 1750 mm or 350 – 2100 mm
  • Measurement accuracy: ± 0.25 % of the reading
  • Output: Actual value signal: 0 – 10 V
  • Protection level: IP 40

ds-trd-01

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Kontakt

Tu smo za vas

Molimo Vas da navedete sadržinu poruke i vrstu zahteva
Tel.: +381 11 2622 543 | Fax: +49 (0)2845/202-265

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Polja označena sa (*) su obavezna polja.

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