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Model 168 Differential Pressure Transmitter
Model 168 Differential Pressure Transmitter

Model 168 Differential Pressure Transmitter


Overview

The Model 168 Series are low range differential pressure transducers and transmitters in HVAC building automation, high accuracy pharmaceutical and health care facilities. It is with NEMA 4 (IP-65) rated aluminum enclosures, they are very rugged and very reliable. The Model 168 delivers reliable measurements below 0.05 inches of water.


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Key Features of Model 168 Differential Pressure Transmitter:

  • Up to 15 PSI Proof Pressure on all Ranges

  • Miswiring Full Protection

  • Unsymmetrical Bidirectional Pressure Ranges

  • True Zero Output for Voltage Unit


Specification of Model 168 Differential Pressure Transmitter:

  • Accuracy: ±0.25%, ±0.40% or ±0.60% of span

  • Differential Pressure Ranges:

Unidirectional: 0.10 in.W.C. to 100.00 in.W.C.

Bidirectional: ±0.10 in.W.C. to ±50.00 in.W.C.

  • NEMA 1; Die-cast aluminum

  • Mounting: surface mount

  • Output signal: current or voltage


Applications of Model 168 Differential Pressure Transmitter:

  • HVAC and VAV Control

  • Clean Room and Isolation Rooms

  • Duct Static Pressure Measurement

  • Draft Control

  • Furnace Air Flow Control

  • Power Plant Air Flow Monitor and Control


Certificates & Approvals

CE

RoHS


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FAQ
  • Is Wave Soldering Recommended?

    Wave soldering is likely to cause degradation of product performance. Wave soldering is not recommended. Generally we recommend to solder by hand.


  • Can PIR Sensor Detect Animals?

    PIR sensors are excellent in human and animal detection. They are mostly used in triggering an intruder alarm and activate household appliances upon the presence of a human.

  • Do PIR Sensors Work Through Glass?

    No, alarm motion sensors do not work through glass. Most motion sensors use passive infrared (PIR) technology to detect motion. Changes in IR energy are not easily detected through glass. This is why motion sensors will generally not work through windows, which are usually insulated.


  • What Is The Package?

    1. PIR sensor: Graphic Carton-> Carton

    2. LDR: plastic bag -> Graphic Carton -> Carton

    3. Fresnel Lens: plastic bag -> Carton


  • What are the Factors that Affect the Performance of the Product?

    1. When there is dirt on the window, it will affect the detection performance.

     

    2. When the ambient temperature and the human body temperature are close, the detection and sensitivity are significantly reduced, sometimes causing short-term failure. The recommended minimum temperature difference between the ambient temperature and the human body temperature needs to reach at least 4 ° C.

     

    3. When designing the circuit, pay attention to anti-interference measures to prevent false alarms caused by radio frequency interference.