DEW POINT SENSOR

CS INSTRUMENTS FA 500-DEW POINT SENSOR

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FA 500 – Dew point sensor with integrated display and alarm relay

  • Dew point sensor FA 500 from -80 to 20°Ctd.
  • For refrigeration, membrane, and desiccant dryers, the FA 500 is the perfect dew point sensor with an integrated display and warning relay.
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Description

CS INSTRUMENTS FA 500-DEW POINT SENSOR

The FA 500 (from -80 to 20 °Ctd) is the ideal dew point meter with integrated display and alarm relay for refrigeration, membrane and adsorption driers.The FA 500 dew point sensor enables a reliable and long-term stable monitoring of the dewpoint in industrial applications from -80 to +20 °C dew point. The FA 500 features improved stability.When mounting FA 500 into compressed air systems the pressure dew point (dew point under pressure) up to 50 bar (in the special version up to 350 bar) is measured directly.When mounting FA 500 in atmospheric conditions (ambient pressure) or in the flow off sector (relaxed air) of compressed air systems the atmospheric dew point is measured.

Advantages:
• Dew point sensor for very low dew points down to -80 °Ctd.
• Extremely long-term stable due to internal automatic calibration.
• IP 65 housing grants a reliable protection in extreme industrial conditions.
• Installable in the dryer by means of G 1/2″ thread, optional UNF 5/8” or NPT ½”.
• Calibration on location and testing with CS control and calibration set (PC connection set).

Special features:-

  • NEW: Modbus-RTU interface.
  • NEW: Higher resolution of sensor signal caused by the improved evaluation electronics.
  • NEW: Sensor diagnosis on site with a portable device or CS Service Software.
  • Integrated display.
  • Threshold value adjustable via keypad alarm relay (max. 60 VDC, 0,5 A).
  • Pressure-tight up to 350 bar (special version).
  • Extreme long-term stability.
  • Quick response time.
  • 4…20 mA analogue output.
  • 2 versions: Refrigeration driers and desiccant driers.

TECHNICAL DATA:-

  • Measuring range                             -80…20 °Ctd pressure dew point resp. dew point in °Ctd 

                                                                      0…100 % RH.

-20…70 °C.

Type 0699.0502, FA 500                       -80…20 °Ctd ≙ 4…20 mA.

Type 0699.0501, FA 500                       -20…50 °Ctd ≙ 4…20 mA.

Other scales on request, for example, -60 … 30 ° Ctd ≙ 4 … 20 mA .

  • Accuracy:
                                                               typical ± 1 °Ctd von 50…-20 °Ctd.
                                                              ±2 °Ctd von -50…-20 °Ctd.
                                                              ± 3 °Ctd von -50…-80 °Ctd.
Pressure range: -1…50 bar standard.
Power supply: 24V VDC (10..30 VDC).
Output: 4…20 mA 3-wire technology**.

RS 485 (Modbus RTU) **.
Protection class: IP 65
EMV: DIN EN 61326
Operating temperature: -20…70 °C (ideal 0…50 °C)

Display unit -20…50°C
Storage temperature: -40…80 °C
Load for analog output: < 500 Ohm
Screw-in thread: G 1/2″ stainless steel

Optional: UNF 5/8” or NPT ½”
Material of housing: PA 66 GF
Sensor protection: sinter filter 50 mm stainless steel
Connection: M12, 5-pole
Response time t95: < 30 seconds (descending)

< 10 seconds (ascending)
Display: 1,8” TFT
Alarm relay max. 60V, 0,5A (AC* / DC)

NC relay, relays is closed in case of alarm and power failure. Alarm value adjustable via keyboard. See Chapter Operation.
* peak AC
** Remark: Parallel use of analogue 4…20mA and RS 485 Modbus output is possible