UEi DT302 User Manual

INSTRUCTION MAN UAL

DT301/DT302

Digital Temperature Logger

1-800-547-5740 • Fax: [phone]

www.ueitest.com • email: [e-mail]

TABLE OF CONTENTS

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Controls and Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Features

LCD Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-5

Setup Instructions

Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Setting Time/Date . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

Changing Thermocouple Type . . . . . . . . . . . . . . . . . . . . . . . . .6

APO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Logging interval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-8

Offset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Measuring Temperature

Thermocouple . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Hold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Relative Measurment (DT301) . . . . . . . . . . . . . . . . . . . . . . . . .10

MIN/MAX/AVG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Using Offset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Using Memory

Start/Stop Logging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Clearin Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

View Logged Readings . . . . . . . . . . . . . . . . . . . . . . . . . . . .12-13

Maintenance

Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Battery Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16-17

11

i

Introduction

The DT301 & DT302

Features include

• IP67 Water/Dustproof rating

• Large Backlit Multi paramater display

• Convenient Probe Storage

• Accepts J,K,T and E type Thermocouples

• Min/Max and Data Hold

• 9,999 Memory position Logging with USB software download

• Relative (DT301)

• Temperature Differential T1-T2 (DT302)

Safety Notes

These are a few common safety practices for those working around
temperature critical environments:

• Follow the manufacturer’s maintenance
procedures when servicing equipment

• Place ONLY thermocouples (type K,J,T or E) in
the DT301 and DT302 thermocouple ports

• Make sure your meter is set for the proper
thermocouple type you are using

• Be sure the thermocouple you use can withstand
the temperature extreme it may be exposed to in your service task

• Properly maintain your thermometer and calibrate
it regularly

1

Controls and Indicators

1

(top view)

4

2

3

1. Thermocouple inputs T1(DT301)T1 and T2 (DT302)

2. Display

3. Buttons

4. USB jack

2

LCD Display Functional Description

2

3 4 5 6 7

1

8
9

10

12

1. Primary Display: (DT301: T1 reading)(DT302: T1-T2 reading)

2.

TYPE KJET: Type of thermocouple.

3.

SETUP: Setup is in progress.

RECALL: The logged readings are displayed.

4.

5.

OFFSET: The thermocouple measurement includes an offset.

6.

HOLD: The display readings do not change.

7. LOW BATTERY: Replace batteries.

8. USB: The thermometer is connected to a PC via USB

interface port.

9.

LOG: Readings are being logged.

10.

˚C,˚F, K: Temperature units.

11.

Secondary Display: Internal temperature of the thermometer,
MEMORY, MIN, MAX, AVG, and T1 or T2 (DT302)
reading. Shows the memory location initially when a logged
reading is recalled.

Time Display: 24-hour clock, shows the INTERVAL length in

12.

SETUP. Shows elapsed time when AVG is on or before clock has
been set. Shows the memory time later on when a logged
reading is recalled.

11

3

Buttons

NOTE: Press all the dual function buttons momentarily to activate the
Upper Row Function ,and press these buttons for more than 1 second
to activate the Lower Row Functions.

Press this button momentarily to turn the backlight on and
off. The backlight turns off after 30 seconds without any
button pressed. If the battery is low, the backlight is
disabled.

Press this button for more than 1 second to turn the
thermometer on and off.

(DT302) While displaying T1 in the primary display
momentarily pressing this button will scroll through T2 or
the internal temperature of the meter. Press and hold to
change primary display to temperature differential (T1-T2).
While displaying (T1-T2) in the primary display
momentarily pressing this button will scroll through T1, T2,
or the internal temperature of the meter in the lower
display

(DT301) Press this button momentarily to enter or exit the

RELATIVE” mode.

“

Press this button momentarily to step through the
maximum, minimum, and average readings in the
secondary display. When viewing logged readings, shows
the maximum, minimum, and average of the logged
readings. Press this button for more than 1 second to turn
off this display.

The “ “ function is activated in the “
“

SETUP” mode only.

RECALL” and

Press this button momentarily to freeze or release the
displayed readings. Press this button for more than 1
second to switch between Celsius (˚C), Fahrenheit (˚F), and
Kelvin (K).

The “ “ function is activated in the “

SETUP” mode only.

“

RECALL” and

4