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Fisher Scientific™ Sentry Thermometers

Shows current, high and low temperatures simultaneously. Fisher Scientific™ Traceable™ Sentry™ Thermometer instantly shows if water bath, freezer or incubator is within temperature specifications and monitors temperature of any experiment, even when you are not there.

Manufacturer: fisher scientific™  4121EMD

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Catalog No. S541112

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Description & Specifications


Accuracy ±1°C
Certifications/Compliance ISO 17025, A2LA, NIST
Diameter (English) Probe 0.4 in.
Dimensions (L x W) 2.5 x 2.6 in. (6.3 x 6.6cm)
For Use With (Application) Water bath, freezer or incubator is within temperature specification
Includes Traceable calibration report supplied by the manufacture, mounting hardware and one battery
Length (English) 2.5 in.
Length (English) Cable 120 in.
Length (Metric) 6.3cm
Length (Metric) Cable 304.8cm
Resolution 1°C
Temperature Range (English) Not Applicable
Temperature Range (Metric) -50° to +70°C
Weight (English) 1.87 oz.
Weight (Metric) 53g
Width (English) 2.6 in.
Width (Metric) 6.6cm

  • Sensor and 10 ft. (3m) cable may be placed under water, in a refrigerator or in a freezer
  • Small cable diameter (1.5mm) allows refrigerator doors to close on it
  • Simple one-button operation resets high/low memories
  • A probe wire mounting bracket permits easy sensor placement
  • Unit's high-impact ABS plastic case has a flip-open stand, plastic hanging hook, magnet and Velcro™ mounting tape
  • Range: -50° to +70°C (-58° to +158°F)
  • Resolution: 1°
  • Accuracy: ±1°C
  • Dimensions: 2.68 × 2.68 × 0.76 in. (67 × 67 × 19mm)
  • Weight: 0.1 oz. (4g)