ST640 Handheld Infrared Thermometer

Brand: Calex Electronics Limited

The ST640 Series is a range of low cost, handheld infrared thermometers with laser sighting and large backlit LCD displays.
Features
  • Wide temperature range 
  • Built-in laser pointer to improve aim 
  • Narrow field of view 
  • Input for type K thermocouple (ST642) 
  • Adjustable emissivity (ST642) 
  • Adjustable high and low alarms, audible and visual 
  • Backlit display with Data Hold 
  • °C/°F switchable 
  • Fast sampling time
  • Auto-hold and power off 
  • High quality construction

Specifications

Accuracy

  • ± 2% Above 100° C (212° F)
  • ± 2° C (± 3° F) from -20° to 100° C (-4° to 212° F)
  • ± 3° C (± 5° F) from -32° to -20° C (-25° to -4° F)

Alarm

  • Audible
  • CIS Visual

Ambient Temperature Range

  • 0° to 50° C (32° to 122° F)

Display

  • LCD Display with Backlighting

Function

  • Auto Hold
  • Auto Power Off after Approximately 7 seconds

Humidity

  • 10 to 90% Relative Humidity

Power Requirement

  • 9 V, PP3 Battery

Ratio

  • 12:1 - Field-of-View

Repeatability

  • ± 1° C (± 2° F)

Resolution

  • 0.1° C

Response Time

  • 500 milliseconds

Temperature Range

  • -32° to 535° C (-25° to 999° F)

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