51 & 52 Series II

Using the Thermometer

Using the Thermometer

1.Plug the thermocouple(s) into the input connector(s).

2.Press Ato turn on the thermometer.

After 1 second the thermometer displays the first reading. If no thermocouple is plugged into the selected input or the thermocouple is "open," the display shows "- - - -"

Entering or Exiting Setup

When the thermometer is in Setup mode, the display shows s.

Press Dto start or exit Setup.

Setup Options

 

Menu

 

Option

Item

Settings

Changing Setup Options

Use Setup to change the thermocouple type, offset, sleep mode, and line frequency settings.

The thermometer stores the settings in its memory. Setup settings reset only when the batteries are removed for more than 2 minutes.

Thermocouple Type

Offset

Sleep Mode

Line Frequency

TYPE

O

SLP

Li ne

J, K, T, or E

T1 or T2 (Model 52)

on (sleep mode on) or 0FF (sleep mode off)

50 H (50 Hz) or 60 H (60 Hz)

9

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Fluke 52 Series, 51 Series user manual Using the Thermometer, Changing Setup Options, Entering or Exiting Setup

51 Series, 52 Series specifications

The Fluke 51 and 52 Series are renowned for their precision and reliability in temperature measurement, making them essential tools for professionals in various fields. Designed for HVAC technicians, process control engineers, and industrial maintenance personnel, these digital thermometers combine advanced technology with user-friendly features.

The Fluke 51 Series is a compact and versatile thermometer that delivers accurate temperature readings across a wide range. It features a single input with thermocouple compatibility, allowing users to measure temperatures from -200°C to 1372°C (-328°F to 2501°F). This range makes it suitable for various applications, from food processing to manufacturing. An easy-to-read dual display allows simultaneous viewing of the current temperature and the minimum, maximum, or average readings, enhancing data analysis during inspections or troubleshooting.

In contrast, the Fluke 52 Series offers advanced functionality with dual input capabilities, enabling users to measure the temperature from two different thermocouples at the same time. This feature is particularly useful for comparing inlet and outlet temperatures in HVAC systems or monitoring temperature differences in industrial processes. The 52 Series also includes a memory function, storing up to 99 data points for later review, which can streamline documentation and analysis.

Both series are equipped with a user-friendly interface featuring a simple keypad and intuitive navigation. Automatic shut-off and low battery indicators enhance the usability of these devices, ensuring that they are both efficient and dependable in professional settings.

Durability is a hallmark characteristic of the Fluke brand, and both the 51 and 52 Series thermometers are built to withstand harsh conditions. With a rugged design and high ingress protection, these instruments can endure dust, moisture, and temperature variations, making them reliable choices for fieldwork.

In summary, the Fluke 51 and 52 Series digital thermometers are distinguished by their accuracy, ease of use, and rugged construction. Their advanced features, such as temperature ranges, dual input capabilities, and data memory, cater to the needs of a diverse range of professionals. Whether in an HVAC system, an industrial environment, or any temperature-sensitive application, these thermometers provide the reliable performance that users expect from Fluke.