Fluke 51 II

Fluke 51 II – Overview

The Fluke 51 II is a rugged single-input digital thermometer with laboratory-grade accuracy, built for field professionals. It supports J, K, T, and E type thermocouples, offers temperature display in °C, °F, or Kelvin, and includes time-stamped MIN, MAX, and AVG functions. Designed with splash and dust resistance, long battery life, and a durable holster, it is ideal for HVAC, process industries, and industrial maintenance.

Key Features

• High accuracy: ±(0.05 % + 0.3 °C) above –100 °C

• Supports thermocouple types J, K, T, and E

• Measurement in °C, °F, or Kelvin

• Time-stamped MIN, MAX, and AVG recording

• Fast response with sleep mode for power saving

• Battery life up to 1000 hours

• Battery replacement without breaking calibration seal

• Impact-absorbing holster and dust/splash protection

Technical Specifications

• Model: Fluke 51 II

• Accuracy (above –100 °C): ±(0.05 % + 0.3 °C)

• Accuracy (below –100 °C): ±(0.20 % + 0.3 °C)

• Thermocouple Ranges:
    • J: –210 °C to +1200 °C
    • K: –200 °C to +1372 °C
    • T: –250 °C to +400 °C
    • E: –150 °C to +1000 °C

• Resolution: 0.1 °C (<1000), 1 °C (≥1000)

• Operating Temperature: –10 °C to +50 °C

• Storage Temperature: –40 °C to +60 °C

• Humidity: 0–90 % RH (up to 35 °C), 0–70 % RH (up to 50 °C)

• Dimensions: 173 × 86 × 38 mm

• Weight: ~400 g

• Power Supply: 3 × AA batteries

• Battery Life: ~1000 hours typical use

• Safety: Meets CSA / EN 61010 standards

Applications

• HVAC and refrigeration diagnostics

• Process and industrial temperature monitoring

• Laboratory and field calibration work

• Maintenance of motors, pumps, and bearings

Why Choose Fluke 51 II

• Combines lab-grade precision with field durability

• Compatible with multiple thermocouple types

• Long battery life with low-power mode

• Rugged design with holster for daily professional use

Order Now

The Fluke 51 II Digital Probe Thermometer is available and ships worldwide.

New:

New product in original sealed packaging. The product may be of an older version or design. Packaging may show markings, discoloration, or signs of wear due to storage.

Refurbished:

Refurbished product fully tested, cleaned, and verified for proper operation. Not in original packaging. The item may show minor cosmetic signs resulting from previous handling or use.

Warranty:

DDPARTSSOLUTION Warranty: 1 Year.

Manufacturer’s warranty and support DO NOT apply.