1551A Ex / 1552A Ex “Stik” Thermometer Readout

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Finally, a digital substitute for your mercury-in-glass thermometers! Accurate and repeatable to ± 0.05 °C over its full range, the Fluke 1551A, Fluke 1552A “Stik Thermometer is the new “gold standard” of industrial temperature calibration. Whether working outdoors in environments where potentially explosive gases may be present or on the floor of a processing plant, the intrinsically-safe, battery operated, portable reference thermometer is designed to go where you work.

Features at a glance

  • Accuracy of ± 0.05 °C (± 0.09 °F) over full range
  • Intrinsically safe (conforms to ATEX requirements)
  • Two models to choose from (-50 °C to 160 °C or -80 °C to 300 °C)
  • User-configurable temperature Trend/Stability indicator
  • Display temperature in °C or °F
  • Optional data logging to internal memory
  • 300-hour battery life
  • Percent battery-life and low-battery indicator
  • NVLAP-accredited, NIST-traceable calibration included
Specifications 1551A Ex 1552A Ex
Measurement range -50 °C to 160 °C -80 °C to 300 °C
(-58 °F to 320 °F) ( -112 °F to 572 °F)
Accuracy
(1 year)
± 0.05 °C (± 0.09 °F)
Resolution Selectable: 0.1, 0.01, 0.001 (default 0.01)
Sample rate User selectable 0.5/sec, 1/sec or 2/sec
Factory default is 1/sec
Readout temperature coefficient Add ±10 ppm/°C of full scale temperature from −10 °C to 18 °C and 28 °C to 50 °C
Probe temperature coefficient 0.00385 Ω/Ω/°C nominal
Nominal probe resistance at
0 °C
100 Ω
Probe hysteresis ±0.01 °C
Response time Approximately 20 seconds
Operating temperature range of readout -10 °C to 50 °C (14 °F to 122 °F)
Humidity range 0 to 95 % RH Non-condensing
Storage temperature range -20 °C to 60 °C (-4 °F to 140 °F)
Display units °C, °F
Sensor type 100 Ω thin-film RTD 100 Ω wire-wound PRT
Sensor length ≤ 10 mm ≤ 30 mm
Sensor position (from sheath tip) 3 mm (0.1 in)