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Hanna Instruments HI 93503N Waterproof Thermistor Thermometer, with Pre-Calibrated Interchangeable Probe, -50.0 to 150.0 degrees C + or - 0.4 degrees C (excluding probe error), 5.9" H x 3.1" W x 1.4" D

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Specifications for this item
Number of Items
Measurement Type
Part Number
HI 93503N
Temperature Range
-50/150  Degrees Celsius
Size Name
Pre-Calibrated Interchangeable Probe, -50.0 to 150.0 degrees C
Brand Name
Hanna Instruments
Maximum Measurement

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Key Features

  • Calibration check function, to verify calibration status
  • Low battery detection helps prevent false readings
  • Automatic Temperature Compensation (ATC), to eliminate the need for extra calculations
  • Auto-off capability
  • LCD screen for readability

Package Details

Shipping Weight: 1.9 pounds
Package Size: 9.1 x 6.7 x 2.6 inches

Product Description

The HI 93503N is a portable, water-resistant thermometer suitable for daily use in industrial kitchens and catering. The meter features low battery detection, auto-off capabilities, and a long battery life. It uses interchangeable probes and includes the calibration check feature, for checking the meter calibration status at any time. Auto-shut off feature turns the meter off automatically after three minutes of non use.

Range is -50.0 to 150.0 degrees C + or – 0.4 degrees C (excluding probe error), with a resolution of 0.1 degrees C. The device operates on three 1.5V AA batteries. Dimensions are 150 x 80 x 36 mm/5.9” x 3.1” x 1.4” (H x W x D), and weighs 235 g (8.3 oz.).

Temperature plays an important role in the food industry, as it has to be checked in warehouses, loading docks, and in transportation vehicles. Portable thermometers are used to throughout the food industry to measure temperature.

Hanna Instruments manufactures analytical instrumentation and supplies, including pH meters, electrodes, chemical reagents, and buffer solutions. The company, founded in 1978 and headquartered in Woonsocket, RI, meets International Organization for Standardization (ISO) 9001 standards.

What’s in the Box?

  • Temperature Probe
  • 1.5V AA Batteries (3)
  • Instructions

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