K-Type Waterproof Thermocouple Thermometer

HI 935005N waterproof K-type thermometer with 1600h battery, min/max display, backlight, CAL button, and BEPS for accurate, reliable temperature readings.

The Hanna Instruments HI-93531 thermometer is a digital K-type thermocouple thermometer, waterproof, with an LCD display, HOLD function, and compatible with HI766 probes.

The Hanna Instruments HI-93531 K-type thermocouple thermometer is a waterproof digital thermometer designed to provide high-precision temperature measurements for industrial and laboratory applications. Compatible with interchangeable K-type probes, it clearly displays readings on an LCD screen along with maximum and minimum temperatures, temperature units, and battery level.

Main Features

Functionality and Design

  • Backlit LCD for easy reading.
  • Displays high and low temperatures.
  • Readings in °C and °F.
  • HOLD function to freeze readings.
  • Compatible with HI766 series K-type probes (probe not included).
  • CAL button for quick calibration.

Range and Accuracy

  • Measurement range: -200.0 to 999.9 °C and 1000 to 1371 °C.
  • Resolution: 0.1 °C (-149.9 to 999.9 °C); 0.2 °C (-200 to -150 °C); 1 °C (above 1000 °C).
  • Accuracy: ±0.5 °C (-100 to 999.9 °C); ±1 °C (outside range).

Power and Dimensions

  • Battery: 3 × 1.5 V AA, approx. 500 hours continuous use with backlight off.
  • Auto-off: selectable between 8 or 60 minutes (can be disabled).
  • Dimensions: 150 × 80 × 36 mm
  • Weight: 235 g
  • Operating environment: -10 to 60 °C, max RH 100%.

Benefits of the HI-93531 K-type Thermometers

  • Accurate and reliable measurements across a wide temperature range.
  • Waterproof design, ideal for laboratory or industrial environments.
  • Backlit LCD and HOLD function for real-time monitoring.
  • Compatible with multiple K-type probes for versatile applications.
  • Easy calibration with the built-in CAL button.

Recommended Applications

  • Industrial processes requiring precise temperature control.
  • Chemical or physical analysis laboratories.
  • Temperature monitoring of ovens, fluids, and surfaces.
  • Applications needing extreme range monitoring: -200 °C to 1371 °C.

Technical Specifications

  • Thermometer type: Digital, K-type thermocouple.
  • Temperature range: -200.0 to 999.9 °C / 1000 to 1371 °C.
  • Resolution: 0.1 °C (-149.9 to 999.9); 0.2 °C (-200 to -150); 1 °C (above 1000 °C).
  • Accuracy: ±0.5 °C (-100 to 999.9); ±1 °C (above 1000 °C).
  • Compatible probe: HI766 K-type thermocouple (not included).
  • Display: Backlit LCD, high and low temperatures.
  • HOLD function: Yes.
  • CAL button: Yes.
  • Power: 3 × 1.5 V AA, ~500 h.
  • Auto-off: selectable 8 or 60 min (disable option).
  • Dimensions: 150 × 80 × 36 mm.
  • Weight: 235 g.
  • Environment: -10 to 60 °C; max RH 100%.

Frequently Asked Questions (FAQ)

Which probes can I use with the HI-93531?
Interchangeable HI766 K-type probes can be used depending on the application and temperature range required.

What is the thermometer’s measurement range?
The HI-93531 measures from -200 °C to 1371 °C, covering applications from cryogenic to high-temperature processes.

Is it waterproof?
Yes, the waterproof design allows use in humid environments or occasional contact with liquids.

  • How are maximum and minimum temperatures displayed?
    The backlit LCD shows the highest and lowest recorded temperatures for continuous monitoring.

  • Can the thermometer be calibrated?
    Yes, the CAL button enables quick and easy calibration to maintain reading accuracy.