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Calex PyroEpsilon Series Infrared Thermometers

A Compact Non-Contact Temperature Sensor with Controllable Emissivity Setting for changing product applications, Temperature range: -20°C to 500°C
Part Number: PyroEpsilon
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The PyroEpsilon Series is a range of high quality, low cost, compact sensors which measure the temperature of inaccessible or moving objects and materials. They measure temperatures from -20°C to 500°C, accurately and consistently, with an outstanding response time of 240 ms.
PyroEpsilon sensors transmit the target temperature as a 4-20 mA output and offer a simple solution for most non-contact temperature measurement applications.
The sensor’s emissivity setting can be adjusted from 0.2 to 1.0 to cope with different target materials and is controlled by a 4-20 mA input. This gives the opportunity to adjust the emissivity setting automatically from a programmable logic controller (PLC). Alternatively the emissivity setting can be adjusted manually using the optional PyroTune module. If the 4-20 mA input is left open or short-circuit the emissivity

Features:

  • Temperature range: -20°C to 500°C
  • Two-wire 4-20 mA outputproportional to target temperature
  • 4-20mA input unit to control emissivity setting
  • Optional PyroTune manual emissivity adjuster
  • Field of view: 2:1, 15:1 or 30:1
  • Fast response with high stability
  • Stainless steel housing, sealed to IP65
  • Quick and easy installation
  • Optional air/water cooled housing, air purge collar, laser sighting tool and mounting brackets

The PyroEpsilon Series is a range of high quality, low cost, compact sensors which measure the temperature of inaccessible or moving objects and materials. They measure temperatures from -20°C to 500°C, accurately and consistently, with an outstanding response time of 240 ms.
PyroEpsilon sensors transmit the target temperature as a 4-20 mA output and offer a simple solution for most non-contact temperature measurement applications.
The sensor’s emissivity setting can be adjusted from 0.2 to 1.0 to cope with different target materials and is controlled by a 4-20 mA input. This gives the opportunity to adjust the emissivity setting automatically from a programmable logic controller (PLC). Alternatively the emissivity setting can be adjusted manually using the optional PyroTune module. If the 4-20 mA input is left open or short-circuit the emissivity

Features:

  • Temperature range: -20°C to 500°C
  • Two-wire 4-20 mA outputproportional to target temperature
  • 4-20mA input unit to control emissivity setting
  • Optional PyroTune manual emissivity adjuster
  • Field of view: 2:1, 15:1 or 30:1
  • Fast response with high stability
  • Stainless steel housing, sealed to IP65
  • Quick and easy installation
  • Optional air/water cooled housing, air purge collar, laser sighting tool and mounting brackets

Temperature Range vs Field-of-View table
Field of View -20ºC to 100ºC 0ºC to 250ºC 0ºC to 500ºC
2:1 - PE21LT,  PE21MT -
15:1 -  PE151LT,  PE151MT, PE151HT
30:1 - PE301LT, PE301MT, PE301HT
ø5mm @ 100mm - PECFLT, PECFMT, PECFHT
Output: 4-20mA
Accuracy: ±1% of reading or ±1ºC whichever is greater
Repeatability: ± 0.5% of reading or ± 0.5ºC whichever is greater
Emissivity: 0.2 to 1.0 via 4-20mA input
Response Time: t90 240 ms (90% response)
Spectral Range: 8 to 14 μm
Supply Voltage: 24 V DC (28 V DC max.)
Min. Sensor Voltage: 6 V DC
Max. Loop Impedance: 900 Ω ( 4-20 mA output)
Input Impedance: 50 Ω
Mechanical
Construction: Stainless Steel
Dimensions: 18 mm diameter x 103 mm long
Thread Mounting: M16 x 1 mm pitch
Cable Length: 1m (longer lengths available to order)
Weight with Cable: 95 g
ENVIRONMENTAL
Environmental Rating: IP65
Ambient Temperature Range 0ºC to 70ºC
Relative Humidity: 95% max. non-condensing

Pyro TUNE Specifications
Output: 4-20mA
Supply Voltage: 24 V DC (13 V to 28 V DC)
Display Format: 3.5 digit LCD
Display Units Emissivity: (0.2 to 1.0) or current (4 - 20 mA):
Adjustment Push-buttons: (raise/lower/set)
Mechanical
Construction: Polycarbonate with gasket, transparent lid (PC) and quick release screws
Mounting: Surface
Dimensions: 65 mm tall x 50 mm wide x 35 mm deep
Weight: 72 g
Environmental
Environmental Rating: IP65
Ambient Temperature Range: 0ºC to 70ºC
Relative Humidity: 95% max. non-condensing

Accessories for this instrument listed below

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