Fluke 54, 51, 52, 53 Performance Test and Calibration Required Test Equipment, Performance Tests

Models: 51 52 53 54

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Thermometer

Performance Test and Calibration Required Test Equipment

Performance Test and Calibration Required Test Equipment

Refer to Table 2 for a list of test equipment used in the performance test and calibration procedures.

Table 2. Recommended Test Equipment

Equipment

DC Voltage Calibrator

Thermocouple connector

Thermocouple connector

K-type Thermocouple wire

Dewar Flask/Cap

Mercury Thermometer (either °C or °F)

DB9 Adapter Connector

IR Adapter

PC with Microsoft Windows® installed

Required Characteristics

Output Voltage: 0-1V

Accuracy: 0.0125 %

Resolution: 0.1 μV

For K-type thermocouple

Copper

Standard

1- pint, or larger capacity

0.02°C Resolution

0.05°F Resolution

Recommended Model

Fluke 5700A or equivalent

Fluke 80CK-M

Fluke P/N 779942

Fluke P/N 601747

Omega

Thermos

Princo Model ASTM56C Princo Model ASTM56F

Fluke P/N 804549

Fluke P/N 690518

Performance Tests

Performance tests are recommended for incoming inspection, periodic maintenance, and for checking the thermometer’s specifications. If the thermometer fails any part of the performance tests, calibration and/or repair is indicated.

Before performing these tests:

1.Allow the thermometer to stabilize to room temperature, +23 oC ± 5 oC (+73 oF ± 9 oF).

2.Check the batteries and replace them if necessary.

Display Test

Turn the thermometer on while pressing the hbutton. All display segments are displayed until the hbutton is released. Confirm that all the display segments are showing as in Figure 1.

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Fluke 54, 51, 52, 53 service manual Performance Test and Calibration Required Test Equipment, Performance Tests, Display Test

51, 52, 53, 54 specifications

The Fluke 51 is a high-precision digital thermometer designed for industrial and laboratory applications, offering accurate temperature measurements across a wide range of environments. With its robust build and advanced features, the Fluke 51 is a tool of choice for field technicians and engineers.

The Fluke 51 boasts an impressive temperature measurement range, typically from -200°C to 1372°C (-328°F to 2500°F), making it suitable for various applications, including HVAC, food processing, and scientific experimentation. One of its standout characteristics is its thermocouple compatibility, supporting multiple thermocouple types such as J, K, T, E, N, R, S, and B. This versatility allows users to select the appropriate sensor for their specific temperature requirements, enhancing measurement accuracy.

A key feature of the Fluke 51 is its fast response time, allowing users to obtain readings within seconds, which is essential for time-sensitive applications. The device is equipped with a large, easy-to-read LCD display that shows clear numerical values, ensuring users can read measurements from a distance or in difficult lighting conditions. Additionally, the display includes a hold function, enabling users to freeze the reading for easier observation.

In terms of data management, the Fluke 51 provides the option to store and recall temperature readings, facilitating efficient documentation and analysis. Its rugged design, resistant to dust and moisture, makes it suitable for use in demanding environments, ensuring durability and longevity.

The Fluke 51 is powered by standard AA batteries, giving it an extended operational lifespan. It also features a low battery indicator, helping users to manage power effectively and avoid unexpected downtime. The device is compact and lightweight, fitting comfortably in the hand and allowing for easy transport.

Another important aspect is its user-friendly interface, which includes intuitive buttons for quick navigation through settings and options. This design consideration enhances usability, allowing even novice users to operate the thermometer efficiently.

In summary, the Fluke 51 digital thermometer combines precision, durability, and ease of use, making it an essential tool in various professional settings. With its wide temperature range, thermocouple compatibility, fast response time, and robust design, the Fluke 51 is positioned as a reliable instrument for accurate temperature measurements wherever the task may take you.