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UEi DT304 User Manual

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DT304
Digital Temperature Logger
INSTRUCTION MANUAL
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com
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UEi DT304 Specifications

General IconGeneral
TypeTemperature and Humidity Data Logger
Humidity Range0 to 100 %RH
Memory Capacity16, 000 readings
Data Points16, 000
Sampling Rate1 second to 24 hours
PC InterfaceUSB
Temperature Range-40 to 70 °C
Temperature Accuracy±0.5°C (±0.9°F)
Humidity Accuracy±3 %RH
Resolution0.1 °C and 0.1 %RH
Battery TypeLithium Battery
SoftwareIncluded

Summary

Introduction and Safety

Product Features

Lists key capabilities like IP67 rating, multi-parameter display, and thermocouple compatibility.

Safety Notes

Highlights common safety practices for working with temperature-critical environments and the device.

Controls and Indicators

Thermocouple Inputs

Identifies the four thermocouple input terminals (T1, T2, T3, T4) on the device.

Display Overview

Refers to the device's primary display screen for showing readings and status.

Device Buttons

Details the various buttons on the device used for operation and navigation.

USB Connectivity Port

Locates the USB port for PC connectivity and data transfer.

LCD Display Functionality

Primary Display Area

Details the main display area showing current temperature readings for selected channels.

Status Indicators

Explains various status icons like SETUP, RECALL, OFFSET, HOLD, USB connection, and logging status.

Temperature Unit Display

Indicates the units (°C, °F, K) for temperature display.

Secondary Display Information

Shows secondary information like internal temp, memory status, MIN/MAX/AVG readings.

Time Display Function

Displays the 24-hour clock, interval length, or elapsed time during logging.

Button Operations

Power Button Functionality

Controls the backlight on/off and powers the thermometer on/off with a long press.

Channel and Differential Selection

Toggles between T1/T2 and T3/T4 or scrolls to temperature differential.

Min/Max/Average Readings

Steps through MIN, MAX, or AVG readings; long press turns off display.

Hold and Unit Switching

Freezes readings or switches between Celsius, Fahrenheit, and Kelvin with a long press.

Operating Procedures

Initial Setup Steps

Covers connecting thermocouples and powering on the device before configuration.

Setup Menu Navigation

Explains how to enter, exit, and navigate the device's setup menu for configuration.

Configuration Settings

Setting the Date

Procedure for setting the current date on the thermometer.

Time Unit Selection

How to select preferred units for time display (e.g., h:m).

Setting the Time

Steps to set the current time on the thermometer, including 24-hour format.

Thermocouple Type Selection

Instructions for selecting the correct thermocouple type (e.g., KJET) for accurate readings.

Advanced Configuration

Auto-Power-Off Timer

Configures the automatic power-off feature to conserve battery life.

Logging Interval Settings

Sets the frequency for storing readings during data logging sessions.

Measurement Adjustments

Adjusting Thermocouple Offset

Procedure to compensate for thermocouple errors by adjusting the reading offset.

Measuring Temperature

Thermometer Reset Procedure

Returns the thermometer to factory default settings, clearing custom configurations.

Connecting Thermocouples

Instructions for properly connecting thermocouples, including color coding.

Viewing Temperature Data

How to view temperature measurements, toggle between channels, and interpret display messages.

Data Measurement Functions

Holding Displayed Readings

Freezes the current readings on the display for easier viewing or recording.

MIN/MAX/Average Value Review

Accesses and cycles through minimum, maximum, and average recorded values.

Data Logging and Memory

Thermocouple Offset Compensation

Details the process of using the offset function in SETUP to correct for thermocouple measurement errors.

Data Logging Overview

Explains how the thermometer stores logged readings in memory and the capacity.

Logging Operations

Starting and Stopping Logging

Instructions for initiating and terminating data logging sessions.

Clearing Stored Memory

Procedure to erase all stored logged readings from the device's memory.

Viewing Logged Data

How to access and review previously recorded data stored in memory.

Maintenance and PC Interface

Data Transfer to PC

Information on connecting the thermometer to a PC using WS600 software for data acquisition.

Service and Repair Warning

Emphasizes that repair and service should only be done by qualified personnel.

Device Care and Storage

General Usage Recommendations

Provides tips for long-term, reliable service, including calibration and environmental care.

Cleaning Procedures

Instructions for cleaning the meter's case without damaging its components.

Thermocouple Storage

Steps for properly winding and storing thermocouples on the device.

Battery Replacement Procedure

Specifications

Environmental Specifications

Details operating temperature, storage temperature, humidity, and altitude limits.

General Device Specifications

Includes dimensions, weight, battery type, certification, and safety ratings.

Accessory Specifications

TP6K K-Type Thermocouple

Details the specifications for the K-Type bead thermocouple accessory.

Electrical Measurement Ranges

Covers measurement ranges, display resolution, accuracy, and temperature coefficients.

Limited Warranty Information