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Yellow Fluke 53-2-B digital thermometer with single input and LCD display

Fluke

Fluke 53-2-B Single Input Digital Thermometer measurement tool

SKU CH-9DGQ-TT08V MPN 53-2-B

Single-input digital thermometer accepting J, K, T, E, N, R and S thermocouples and logging up to 500 readings

  • Analog/DigitalDigital
  • TypeEnvironmental & Mechanical
  • Measure contact temperature across industrial equipment using J, K, T, E, N, R, S-type thermocouples
  • Log up to 500 temperature readings directly to internal memory for later analysis
  • Cover extreme ranges from -418 °F to 3212.6 °F depending on sensor type selected
  • Single input digital design simplifies operation for field and bench troubleshooting
  • Ready for motors, insulation, breakers, pipes, corroded connections, liquids and wires

What this thermometer measures

The Fluke 53-2-B is a single-input digital thermometer built for contact temperature readings on motors, insulation, breakers, pipes, corroded connections, liquids and wires. It accepts industrial-standard J, K, T, E, N, R or S-type thermocouple sensors and logs up to 500 data points to internal memory for later review.

Sensor compatibility check

Before ordering, confirm the thermocouple type used in your existing probes matches one of the supported types listed above. The instrument provides a single input channel, so only one sensor can be connected at a time. Verify that your application temperature falls within the published ranges for the chosen thermocouple type.

Power and operation

The unit is a handheld digital meter with no active cooling, so it runs silently during normal use. Power is supplied by internal batteries; no external supply or mains connection is required. Heat generated by the device itself is negligible and does not affect measurement accuracy in typical environments.

Highlights

  • Measure contact temperature across industrial equipment using J, K, T, E, N, R, S-type thermocouples
  • Log up to 500 temperature readings directly to internal memory for later analysis
  • Cover extreme ranges from -418 °F to 3212.6 °F depending on sensor type selected
  • Single input digital design simplifies operation for field and bench troubleshooting
  • Ready for motors, insulation, breakers, pipes, corroded connections, liquids and wires

Specifications

BrandFLUKE
Model53-2-B
Analog/DigitalDigital
TypeEnvironmental & Mechanical

Questions about this item

Does the Fluke 53-2-B ship with a thermocouple probe or must one be purchased separately?

The Fluke 53-2-B is a single-input thermometer that accepts standard J, K, T, E, N, R, or S-type thermocouple sensors; probes are not included and must be bought separately.

Which thermocouple type gives the widest temperature span on the 53-2-B?

Type R and Type S both cover 32 °F to 3212.6 °F, the highest range available on the 53-2-B, while Type K reaches -328 °F to 2501 °F and Type T covers -418 °F to 752 °F.

What does the 500-point data-logging capacity mean for a typical inspection job?

The 53-2-B can store up to 500 temperature readings in its internal memory, allowing you to log a sequence of measurements during a motor, breaker or pipe inspection and review them later without a connected PC.

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