Detection and locating, measuring equipment
Water leak detectors, cable and pipe locators

Digital thermometer (Thermohygrometer) DT-506

Digital thermometer DT-506 is used to measure the temperature of different medium, relative humidity of the air by direct contact of the probe with measurement object.

While using humidity probes thermometers can calculate dew point temperature using the Goff - Gratch formula.

Digital Thermometers consist of electronic unit and replaceable probes.

As thermosensitive elements in probes thermocouples are used.

This model works with an adapter for connecting thermocouples of types K, L, B, R, S.


  • Measurement of temperature with resolution 0,1°С
  • Measurement of the relative humidity of the air with resolution 0,1°С
  • Changeable probe
  • Maximum temperature fixation
  • Minimum temperature fixation
  • Indicator readings fixation
  • Dew point temperature calculation
  • Large display with bright backlight
  • 1 year manufacturer's warranty;
  • Powered by standard AA batteries.



DT-506 is used for highly precise measurement of temperature, humidity and dew point temperature by direct contact with the measurement object.

Due to the possibility of changing the probe, measurements can be carried out for almost any media: liquid, dry, solid.

Improved devices allow using high-precision probes for:

  • high-precision surface measurements;
  • high-precision air temperature measurements;
  • dew point temperature calculation and measurement;
  • work with thermocouples of types K, L, B, R, S;
  • simultaneous high-precision measurement of temperature and humidity.


Parameter Value
Measured temperature range -100...+1800 (depends on the type of used probe)
Relative instrumental error ±0.5 % +least significant digit value
Resolution 0.1 °C
Number of replaceable probes types 24
Measured relative humidity range, % 0...100
Absolute instrumental error of relative humidity measurement, % 3
Terms of use: -20...+50 °C
Voltage 1.5x2 V

Connectable probes

Connectable probes:

  • Penetration probe PP-150
  • Penetration probe PP-300
  • Penetration probe PP-500
  • Enforced penetration probe EPP-150
  • Enforced penetration probe EPP-300
  • Enforced penetration probe EPP-500
  • Enforced penetration probe EPP-1000
  • Liquid penetration probe LPP-3000+
  • Viscous fluid penetration probe VPP-3000
  • Surface probe SP-150
  • Surface probe SP-300
  • Surface probe SP-500
  • Surface probe SP-1000
  • Bent surface probe BSP-300
  • Bent surface probe BSP-500
  • HT surface probe HTSP-300
  • HT surface probe HTSP-500
  • HT surface probe HTSP-1000
  • High-precision surface probe HPSP-150
  • High-precision surface probe HPSP-300
  • High-precision surface probe HPSP-500
  • Air probe AP-150
  • Air probe AP-500
  • Air probe AP-1000
  • High-precision air probe HPAP-150
  • Thermocouple probe TCP
  • Temperature & humidity probe THP-150
  • Temperature & humidity probe THP-500
  • Temperature & humidity probe THP-1000
  • Portable temperature & humidity probe PTHP
  • Flexible temperature & humidity probe FTHP

Standard set

Basic set:

  • Digital thermometer DT-506 - 1
  • 1.5 V battery, type AA - 2
  • Operation manual (in English) - 1
  • Packaging - 1



  • Battery charger for AA batteries
  • Battery AA 1.2 V (2850 mA)
  • Case 53141 for a thermometer with 1 probe
  • Case 53142 for a thermometer with 2 probes
  • Case 53143 for a thermometer with 3 probes
  • Case 53134 for thermometer with 4 probes


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