Fluke 51 Series, 52 Series user manual WWarning, Safety Information

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51 & 52 Series II

Users Manual

Table 1. Safety Information

WWarning

A Warning identifies conditions and actions that pose hazards to the user. To avoid electrical shock or personal injury, follow these guidelines:

∙Before using the thermometer inspect the case. Do not use the thermometer if it appears damaged. Look for cracks or missing plastic. Pay particular attention to the insulation around the connectors.

∙Disconnect the thermocouple(s) from the thermometer before opening the case.

∙Replace the batteries as soon as the battery indicator (B) appears. The possibility of false readings can lead to personal injury.

∙Do not use the thermometer if it operates abnormally. Protection may be impaired. When in doubt, have the thermometer serviced.

∙Do not operate the thermometer around explosive gas, vapor, or dust.

∙Do not apply more than the rated voltage, as marked on the thermometer, between the thermocouple(s), or between any thermocouple and earth ground.

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Contents 51 & 52 Series Limited Warranty & Limitation of Liability Table of Contents 51 & 52 Series Introduction Contacting FlukeSafety Information WWarningIntroduction International Symbols Getting StartedComponents ComponentsDisplay Elements Display ElementsButtons Buttons51 & 52 Series Entering or Exiting Setup Using the ThermometerChanging Setup Options Setup OptionsChanging a Setup Option Displaying Temperatures Measuring TemperaturesConnecting a Thermocouple Type ColorUsing the Offset to Adjust for Probe Errors Holding the Displayed ReadingsViewing the MIN, MAX, and AVG Readings Environmental Cleaning the Case and Holster MaintenanceSpecifications Replacing the BatteriesGeneral 80 PK-1 Thermocouple supplied with Thermometer ElectricalReplacement Parts and Accessories AccessoryPart Number 51 & 52 Series

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.
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