Pt100 RTD Thermometer, Handheld, High Accuracy

GMH3710 and GMH3750
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The Pt100 RTD handheld thermometer is a high accuracy device, capable of reading temperatures up to 850.0°C (1562.0 °F).

Standard Features:

  • Min./Max. Memory: Memorising of max. and min. values.
  • Hold Function: Freeze the current display values at the push of a button.
  • Auto-Off-Function: 1…120min (can also be deactivated).
  • Offset and Slope Input: offset and scale factor can be entered digitally

GMH3570 Additional Features:

Alarm: 3 different alarm settings:

  •     Off: alarm function not activated
  •     On: visual alarm via display, integrated buzzer and interface
  •     No Sound: alarm via display and interface

Min./Max. Alarm: the measuring value is constantly monitored and the alarm triggered if it goes 

outside the min./max. limits set.

Logger functions:

  • Real-time clock: clock with date and year
  • Manual: 99 data sets (data recall via keyboard or interface)
  • Cycle: 16,200 data sets (data recall via interface)
  • Adjustable cycle time: 1sec. … 1h. Logger start and stop via the keyboard or interface.
  • Easy to use read-out and display software (GSOFT3050) available as an option.

Specifications

  • Measuring Range: -199.99 … +199.99°C or -200.0 … + 850.0°C (-199.99 … +199.99°F or -328.0 … +1562.0 °F)
  • Resolution: 0.01°C or 0.1°C; 0.01°F or 0.1 °F
  • Auto-Range: automatically or manually select the measuring range.
  • Accuracy (±1 digit) (@ 25°C):
  • ≤ ± 0.03°C for -199.99 to +199.99°C range
  • ≤ ± 0.1°C for -200.0 to +850.0°C range
  • GMH3750 additionally supports a 50-point user defined curve.
  • Temperature Drift: ≤ 0.002 °C/K
  • Probe: Pt100, 4-wire, DIN EN 60751. Probe connection via 4-pin miniature DIN-plug
  • Operating Temperature: -25 to +50°C
  • Relative Humidity: 0 to +95%RH. (non-condensing)
  • Storage Temperature: -25 to +70°C
  • Display: two 4½ digit LCDs (12.4mm or 7mm high), with additional symbols.
  • Keypad: 6 membrane keys
  • Output: 3.5 mm stereo jack socket, choice between serial interface or analogue output
  • Serial Interface: direct connection to RS232 or USB interface of a PC via electrically isolated interface adapter GRS3100/USB3100.
  • Analogue Output: 0…1V, adjustable (resolution 13bit, accuracy 0.05% at nom. temp.)
  • Power Supply: 9V-battery (included) as well as additional d.c. connector for external 10.5- 12V direct voltage supply. (suitable power supply: GMH37XX-PSU)
  • Low Battery Warning: ‘ bAt ‘
  • Power Consumption: approx. 1 mA
  • Dimensions: 142 x 71 x 26 mm (H x W x D)
  • Housing: Impact resistant ABS plastic housing, membrane keypad. Front face IP65, integral stand/belt-clip.
  • Weight: approx. 155 g

The Pt100 RTD handheld thermometer is a high accuracy device, capable of reading temperatures up to 850.0°C (1562.0 °F).

Standard Features:

  • Min./Max. Memory: Memorising of max. and min. values.
  • Hold Function: Freeze the current display values at the push of a button.
  • Auto-Off-Function: 1…120min (can also be deactivated).
  • Offset and Slope Input: offset and scale factor can be entered digitally

GMH3570 Additional Features:

Alarm: 3 different alarm settings:

  •     Off: alarm function not activated
  •     On: visual alarm via display, integrated buzzer and interface
  •     No Sound: alarm via display and interface

Min./Max. Alarm: the measuring value is constantly monitored and the alarm triggered if it goes 

outside the min./max. limits set.

Logger functions:

  • Real-time clock: clock with date and year
  • Manual: 99 data sets (data recall via keyboard or interface)
  • Cycle: 16,200 data sets (data recall via interface)
  • Adjustable cycle time: 1sec. … 1h. Logger start and stop via the keyboard or interface.
  • Easy to use read-out and display software (GSOFT3050) available as an option.

Specifications

  • Measuring Range: -199.99 … +199.99°C or -200.0 … + 850.0°C (-199.99 … +199.99°F or -328.0 … +1562.0 °F)
  • Resolution: 0.01°C or 0.1°C; 0.01°F or 0.1 °F
  • Auto-Range: automatically or manually select the measuring range.
  • Accuracy (±1 digit) (@ 25°C):
  • ≤ ± 0.03°C for -199.99 to +199.99°C range
  • ≤ ± 0.1°C for -200.0 to +850.0°C range
  • GMH3750 additionally supports a 50-point user defined curve.
  • Temperature Drift: ≤ 0.002 °C/K
  • Probe: Pt100, 4-wire, DIN EN 60751. Probe connection via 4-pin miniature DIN-plug
  • Operating Temperature: -25 to +50°C
  • Relative Humidity: 0 to +95%RH. (non-condensing)
  • Storage Temperature: -25 to +70°C
  • Display: two 4½ digit LCDs (12.4mm or 7mm high), with additional symbols.
  • Keypad: 6 membrane keys
  • Output: 3.5 mm stereo jack socket, choice between serial interface or analogue output
  • Serial Interface: direct connection to RS232 or USB interface of a PC via electrically isolated interface adapter GRS3100/USB3100.
  • Analogue Output: 0…1V, adjustable (resolution 13bit, accuracy 0.05% at nom. temp.)
  • Power Supply: 9V-battery (included) as well as additional d.c. connector for external 10.5- 12V direct voltage supply. (suitable power supply: GMH37XX-PSU)
  • Low Battery Warning: ‘ bAt ‘
  • Power Consumption: approx. 1 mA
  • Dimensions: 142 x 71 x 26 mm (H x W x D)
  • Housing: Impact resistant ABS plastic housing, membrane keypad. Front face IP65, integral stand/belt-clip.
  • Weight: approx. 155 g

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