REED R2400 Type K Thermocouple Thermometer, -58 to 2000°F (-50 to 1300°C) and 223 to 2000 Kelvin


This single input type-k thermocouple thermometer features a large backlit LCD display and is capable of measuring -58 to 2000°F (-50 to 1300°C) and 223 to 2000 Kelvin. The R2400 includes a type-k beaded wire probe.


  • Type K thermocouple thermometer
  • Large, easy-to-read backlit LCD display
  • User selectable °C, °F or Kelvin
  • Max and Data Hold functions
  • User selectable resolution of 0.1 or 1°F (0.1 or 1°C)
  • Tripod mount for long-term monitoring
  • Low battery indicator and auto shut off

REED R2400 Specifications

Measuring Range-58 to 2000°F (-50 to 1300°C), 223 to 2000K
-58°F to 32°F: ±4°F
32°F to 2000°F: ±(0.5% rdg+2°F)
-50°C - 0°C: ±2°C
0°C to 1000°C: ±(0.5% rdg+1°C)
1000°C to 1300°C: ±(0.8% rdg+1°C)
223K to 273K: ±5K
273K to 2000K: ±(1.0% rdg+2K)
Resolution0.1 or 1°F/°C, 1K
TypeSingle Input, Thermocouple Type K
Response Time1x/sec
Display3 1/2-digit LCD
Backlit DisplayYes
Data HoldYes
Overrange IndicatorYes
Auto Shut-offYes (after 15 mins)
Kick StandYes
Tripod MountableYes
Low Battery IndicatorYes
Power Supply1 x 9V battery
Product CertificationsCE
Operating Temperature32 to 104°F (0 to 40°C)
Storage Temperature14 to 140°F (-10 to 60°C)
Operating Humidity Range10-90%
Dimensions6.4 x 3.0 x 1.5" (162 x 76 x 38.5mm)
Weight7.4oz (210g)