UEi 550B - User Manual

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Summary

Product Specifications

Temperature Range and Accuracy

Specifies the operating temperature limits and measurement precision of the thermometer.

Resolution and Update Rate

Details the smallest measurement increment and the frequency of reading refreshes.

Certification, Battery, and Warranty

Lists industry approvals, the type of battery used, and the duration of the manufacturer's guarantee.

Device Operation

Powering On and Off

Instructions for turning the thermometer instrument on and off.

Viewing Min;Max Temperatures

How to display the minimum and maximum recorded temperatures.

Holding Temperature Readings

Explains how to lock the current temperature display.

General Information and Usage

Auto Power Off Function

Details the automatic shutdown feature to conserve battery life.

Battery Replacement Guidance

Information on when and how to replace the device's battery.

Plastic Case Temperature Limit

Notes the maximum temperature the plastic case can withstand.

Summary

Product Specifications

Temperature Range and Accuracy

Specifies the operating temperature limits and measurement precision of the thermometer.

Resolution and Update Rate

Details the smallest measurement increment and the frequency of reading refreshes.

Certification, Battery, and Warranty

Lists industry approvals, the type of battery used, and the duration of the manufacturer's guarantee.

Device Operation

Powering On and Off

Instructions for turning the thermometer instrument on and off.

Viewing Min;Max Temperatures

How to display the minimum and maximum recorded temperatures.

Holding Temperature Readings

Explains how to lock the current temperature display.

General Information and Usage

Auto Power Off Function

Details the automatic shutdown feature to conserve battery life.

Battery Replacement Guidance

Information on when and how to replace the device's battery.

Plastic Case Temperature Limit

Notes the maximum temperature the plastic case can withstand.

The UEi 550B Digital Pocket Thermometer is a compact and precise instrument designed for a wide range of temperature measurement applications, particularly within HVAC systems. Its primary function is to accurately measure and display temperatures, offering several features to enhance usability and data management.

Function Description

The 550B thermometer provides real-time temperature readings with a digital display. It is equipped with a durable probe that can be inserted into various substances to measure their temperature. The device is designed to be water-resistant, making it suitable for use in environments where it might be exposed to moisture. A key feature is its ability to record and display minimum and maximum temperatures observed since the device was powered on, which is useful for monitoring temperature fluctuations over time. Additionally, it includes a data hold function, allowing users to freeze the current temperature reading on the screen for easier recording or observation, even after removing the probe from the substance.

Usage Features

The UEi 550B is designed with user convenience in mind, incorporating several features that make it easy to use in various professional settings.

Protective Boot: The thermometer comes with a new protective boot that not only safeguards the device from impacts and wear but also integrates a built-in magnet. This magnet allows the thermometer to be conveniently attached to metal surfaces, freeing up the user's hands during operation or providing easy storage.
Pocket Clip/Sleeve: The hard case sleeve serves a dual purpose: it protects the stem of the thermometer and acts as a pocket clip, enabling users to securely carry the device. The stem can also be slipped into a loop built into the metal clip, offering additional support and insulating the user's hand from the heat of the measured substance, especially when dealing with high temperatures.
Easy-to-Read Display: The ergonomic head design ensures that the digital display is easy to read, even in challenging conditions. The clear numerical readout provides immediate temperature information.
MIN/MAX Function: This feature allows users to track the lowest and highest temperatures recorded during a measurement session. A single press of the MIN/MAX button displays the minimum temperature, and a second press shows the maximum temperature. After approximately three seconds, the thermometer automatically returns to displaying real-time temperature readings. This is particularly useful for monitoring temperature ranges in HVAC systems or other applications where knowing the extremes is important.
Data Hold Function: The "HOLD" button enables users to lock the current temperature reading on the screen. When activated, "HOLD" flashes in the corner of the display, indicating that the reading is frozen. Pressing the "HOLD" button again resumes real-time temperature measurement. This feature is invaluable when taking readings in hard-to-reach areas or when needing to record a specific temperature without rushing.
On/Off Control: A dedicated button allows for easy powering on and off of the instrument, conserving battery life when not in use.
Water Resistance: The water-resistant design enhances the durability and versatility of the thermometer, making it suitable for use in environments where splashes or moisture might be present.
Magnet for Easy Use: Beyond the protective boot, the overall design emphasizes ease of use, with the integrated magnet being a significant convenience for hands-free operation.

Maintenance Features

The UEi 550B is designed for straightforward maintenance, primarily focusing on battery management to ensure continuous operation.

Auto Power Off: To extend battery life, the thermometer automatically turns off after approximately one hour of inactivity. This intelligent power-saving feature helps ensure that the battery lasts longer, reducing the frequency of replacements.
Low Battery Indicator: The device includes a low battery icon on the LCD display. When this icon appears, it signals to the user that the battery needs to be replaced promptly. This proactive warning prevents unexpected power loss during critical measurements.
Battery Replacement: The thermometer uses an AB13 (SR44W) battery, which is a common and readily available type. The design allows for relatively easy battery replacement when needed.
Cleaning: As a water-resistant device, the thermometer can be wiped clean with a damp cloth. Users should avoid immersing the entire unit in water, especially the display and button area, despite its water-resistant properties. When measuring above 300°F, it is cautioned not to insert the stem into the substance beyond the crimp, which helps prevent damage to the device from excessive heat transfer to the main body.
Storage: The protective boot and hard case sleeve provide excellent protection for the thermometer during storage and transport, minimizing the risk of damage to the probe or the main unit. The maximum temperature range for the plastic case is 14° to 122°F, so it should be stored within these limits to prevent material degradation.

In summary, the UEi 550B Digital Pocket Thermometer is a robust, user-friendly, and reliable tool for temperature measurement, offering a blend of practical features for professionals in various fields, particularly HVAC. Its design emphasizes convenience, durability, and accurate performance, supported by simple maintenance requirements.

UEi 550B Specifications

General

Type	Infrared Thermometer
Auto Power Off	Yes
Data Hold	Yes
Min/Max	Yes
Resolution	0.1°F or 0.1°C
Accuracy	±2°C (±4°F)
Display	LCD
Battery Type	9V
Response Time	500ms

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