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You are here: Home / Products / Sensors / SPS-50 Sash Position Sensor

SPS-50 Sash Position Sensor

  • SPS-50 Sash Position Sensor
SPS-50 Sash Position Sensor

The SPS-50 Sash Position Sensor is an added safety feature used to detect a fume hood’s sash position. As the sash is moved up and down by the user, the SPS-50 communicates with Triatek’s HMS fume hood controller and the hood’s Venturi valve to increase or decrease airflow as necessary to maintain the desired face velocity setpoint.

The SPS-50 provides the fastest and safest approach to instantaneously achieve calibrated airflow requirements.  The HMS controller can also utilize a closed loop sidewall sensor in conjunction with the SPS-50 to further fine tune the fume hood’s airflow.

The SPS-50 utilizes a spring-loaded spool, precision potentiometer, and nylon-coated stainless steel cables to measure the position of the fume hood’s sash. Made of rugged polycarbonate, the SPS-50 also features a stainless steel mounting bracket to allow the user to easily orient the sensor in the preferred direction.

  • Features
  • Description
  • Specifications
  • Related Products
  • Fastest and safest approach to instantaneously achieve calibrated airflow requirements
  • Works with an HMS fume hood controller and digital sidewall sensor
  • Linear position to 50 inches
  • Rugged polycarbonate enclosure
  • Spring-loaded spool
  • Precision potentiometer
  • Nylon-coated stainless steel cable
  • Stainless steel mounting bracket for added flexibility

The SPS-50 Sash Position Sensor is an added safety feature used to detect a fume hood’s sash position. As the sash is moved up and down by the user, the SPS-50 communicates with Triatek’s HMS fume hood controller and the hood’s Venturi valve to increase or decrease airflow as necessary to maintain the desired face velocity setpoint.

The SPS-50 provides the fastest and safest approach to instantaneously achieve calibrated airflow requirements.  The HMS controller can also utilize a closed loop sidewall sensor in conjunction with the SPS-50 to further fine tune the fume hood’s airflow.

The SPS-50 utilizes a spring-loaded spool, precision potentiometer, and nylon-coated stainless steel cables to measure the position of the fume hood’s sash. Made of rugged polycarbonate, the SPS-50 also features a stainless steel mounting bracket to allow the user to easily orient the sensor in the preferred direction.

  • Full Stroke Range50 in (1,270 mm)
  • Output Signal0 VDC - +in VDC
  • Accuracy0.25%
  • Repeatability±0.05% full stroke
  • ResolutionEssentially infinite
  • Measuring Cable0.019 in. diameter nylon-coated stainless steel
  • Measuring Cable Tension7 oz. (1,9 N)
  • Cycle Life250K
  • Maximum Cable Acceleration15 g
  • Enclosure MaterialPolycarbonate
  • SensorPlastic-hybrid precision potentiometer
  • Weight, max. (including bracket)0.4 lbs.
  • Input Resistance5K ohms, ±10%
  • Power Rating, Watts2.0 at 70° derated to 0 at 250°
  • Recommended Maximum Input Voltage30 V (AC/DC)
  • Output Signal Change Over Full Stroke Range94% ±4% of input voltage
  • Electrical Connection22 AWG 3 conductor 10 foot cable
  • Operating Temperature0-160° F
  • VibrationUp to 10 g to 2000 Hz maximum
  • HMS-1655 Fume Hood ControllerHMS-1655 Fume Hood Controller
  • Medium Pressure Shut-Off Venturi ValveMedium Pressure Shut-Off Venturi Valve
  • Digital Sidewall SensorDigital Sidewall Sensor
  • Medium Pressure Partially Closed  Venturi ValveMedium Pressure Partially Closed Venturi Valve

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About Triatek

Since 1985 Triatek has been on the forefront of designing and manufacturing innovative airflow solutions for critical environments. Headquartered near Atlanta, Georgia, Triatek provides end-to-end solutions for healthcare facilities, laboratories, and municipal facilities around the world. Our … Learn more »

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