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All Categories > Dew Point > FA 500 Dew Point Sensors > Item # 0699 0501  
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Item # 0699 0501, FA 500, -112 to 68 Degree Fahrenheit (ºF) Measuring Range (Atmospheric Pressure) Dew Point Sensor
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FA 500 is the ideal dew point measuring instrument with integrated display and alarm relay for refrigeration, membrane and adsorption dryers.




Financing  · Specifications  · Dimensions  · Special Features  · Readable Via Modbus  · Easy Operation Via Keys on Display  · Options

Financing

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Specifications

Measuring Range (Atmospheric Pressure)
-112 to 68 ºF

Accuracy (±) at 122 to -4 Degree Fahrenheit (ºF) Temperature
1.8 ºF

Accuracy (±) at -4 to -58 Degree Fahrenheit (ºF) Temperature (Atmospheric Pressure)
3.6 ºF

Accuracy (±) at -58 to -112 Degree Fahrenheit (ºF) Temperature (Atmospheric Pressure)
5.4 ºF

Pressure Range
-1 to 50 bar

Pressure Range (Special Version)
7251 psi

Direct Current (DC) Voltage
10 to 36 V
24 V

Protection Class
IP 65

Electromagnetic Compatibility (EMC)
In According with DIN EN 61326-1

Operating Temperature
-4 to 122 ºF

Connection
2 x M12, 5-pin for analog output, Modbus-RTU and alarm output, M-Bus (optional)
Ethernet (PoE) (optional)

Personal Computer (PC) Connection
Modbus-RTU interface (RS 485)

Analog Output
4 to 20 mA = -112 to 68 °Ftd
4 to 20 mA = -4 to 122 °Ftd
4 to 20 mA = -76 to 86 °Ftd

Burden for Analog Output
< 500 Ω

Alarm Relay
NC, max. 60 VDC, 0.5 A

Screw-In Thread
G 1/2 in.


Dimensions

Width
3.01 in

Depth
3.35 in

Height
2.95 in


Special Features
  • Integrated display
  • Threshold value adjustable via keypad, alarm relay (max. 60 VDC, 0.5 A)
  • Pressure-tight up to 7251 psi (special version)
  • Extremely stable in the long term
  • Quick adaption time
  • 4...20 mA analog output for dew point
  • Different refrigeration and adsorption dryer versions
  • NEW: Modbus-RTU interface
  • NEW: Higher resolution of sensor signal due to the improved evaluation electronics
  • NEW: Sensor diagnosis on site with a portable device or CS Service Software


Readable Via Modbus
  • Pressure dew point [ºFtd]
  • Temperature [ºF]
  • rel. humidity [% RH]
  • abs. humidity [g/m³]
  • Degree of humidity [g/kg]
  • Moisture content V/V [ppmV/V]
  • Partial vapor pressure [hPa]
  • Atmospheric dew point [ºFtd.atm]


Easy Operation Via Keys on Display
The integrated display shows the dew point in big figures as well as further humidity parameters on two more display pages. The arrow key can be used to scroll between the display pages.

The alarm threshold value for the integrated relay can be freely entered via the keys. In addition to the alarm threshold, the hysteresis can also be freely entered.

The 4 to 20 mA analog output can be scaled freely or also allocated to one further parameter, e. g. g/m³.

After entering the system pressure of the compressed air system and the reference pressure (atmospheric pressure), the sensor can also calculate back to the atmospheric dew point from the measured pressure dew point if desired.


Options
Z695 5004, M-Bus Board for VA 500/520 and FA 500
Z695 5006, Ethernet-Interface PoE for VA 500/520 and FA 500
Z695 5007, Ethernet-Interface Power over Ethernet (PoE) for VA 500/520 and FA 500
Z699 0511, 5/8 Inch (in) Unified National Fine (UNF) Connection Thread
Z699 0514, Special Scaling
Z699 0515, 5076 Pounds Per Square Inch (PSI) Maximum Pressure
Z699 0516, 72551 Pounds Per Square Inch (PSI) Maximum Pressure
Z699 0517, Surface Condition


 DOWNLOADS 

Datasheet for FA 500 Dew Point Sensors
(PDF, 472KB)


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