Tenmars TM-747, TM-747D User Manual

TM-747/747D

4-Channel Thermometer

User’s Manual

HB

2

TM7470000

CONTENTS

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

2 Accessories.......................................................1

3 Safety Precaution..............................................1

4 Meter Description..............................................2

5 Operation..........................................................3

5.1 Power on or off.............................................3

5.2 Turn on backlight..........................................3

5.3 Alarm on or off..............................................3

5.4 Auto Recording ............................................4

5.5 Thermocouple Type Selection (TYPE): ........4

5.6 Manual Record.............................................4

5.7 Unit Switch for °C, °F and K .........................5

5.8 Data Hold.....................................................5

5.9 Disable Auto Power Off Function..................5

5.10 Relative Value Measurement........................5

5.11 Offset Value.................................................6

5.12 Change Display of T1-T2 vs. T1 & T2...........7

5.13 Change Display of of T3-T4 vs. T3 & T4.......7

5.14 Time Display................................................8

5.15 Read Record................................................8

5.16 Maximum /Minimum/ Average Value............9

5.17 Setup ...........................................................9

6 Software Installation (TM-747D)......................12

7 General Specifications ....................................14

8 Electrical Specifications:..................................16

9 Maintenance or Repair....................................17

10 Battery Replacement.......................................17

11 End of Life Disposal ........................................17

1

1 Introduction

TM-747X series thermometers are K /J/ T / E/ R / S/ N type
thermocouple thermometers.

2 Accessories

1
1
6
1
1
1
1

Meter

User manual

1.5V AAA Carbon zinc battery
Carrying case

9V AC to DC adaptor (TM-747D)
USB cable (TM-747D)

Installation disk

(TM

-

747

D)

3 Safety Precaution

Note! Please refer to this manual.
Improper use may damage the meter and its
components.

Complies with European Directive.

 Do not operate in environments with flammable gas or

humid environments.

 Operating altitude: up to 2000M.
 Operating environment: Indoor use; Pollution degree 2.

 Clean with soft cloth when dirty, such as glasses cloth. Do

not clean with chemicals and other solvents.

 Class B – Equipment for use in all establishments other

than domestic.

 Group 1 – RF energy generated is needed for internal

functioning.

2

4 Meter Description

1. Alarm setup button / Auto record button (TM-747D)

2. Power button

3. Backlight button

4. K /J/ T / E/ R / S/ N type switching/manually record
button.

5. Hold button / Auto-shutdown button

6. Interchange button for "T1 - T2" vs. "T1 & T2"

7. Unit ° C / ° F / K switch button

8. Maximum value, Minimum value, Average value,
elapsed time / Setup button

9. Relative value / offset value button

10. Interchange button for "T3 - T4" vs. "T3 & T4"

11. Time button / Read button

12. Thermocouple input terminal T1/T2 T3/T4

13. External power DC 9V input

14. USB data output jack

15. Battery cover and tilt stand

16. LCD display

 With DC-IN connected, appears

on the screen.

 Without heat-sensing wire connected,

will appear on the screen.

3

5 Operation

5.1 Power on or off

Press button，turn on or turn off.

5.2 Turn on backlight

press button to turn on or turn off the
backlight.
＊The backlight will automatically turn off after

being lit for 15 seconds.

5.3 Alarm on or off

press to turn “on” or “off” the alarm, followed
by "LIMIT" appears on the LCD.
This LCD shows the status "on" or "off" of the
alarm function. It is possible to set the upper and
lower limit of the temperature range by yourself.
When the temperature reading exceeds the range,
the buzzer will alarm until the temperature back to
the range or the alarm function turned off.

(For the limit range setup, please enter 5.17

Setup Function)

4

5.4 Auto Recording

Press and hold for ≥ 2 seconds to enable or
disable the auto-recording function "LOG"
(TM747D)
The LCD display will first show the number of logs
for REC/MEM START mode and then switch back to
temperature mode after 1 second.

The auto-recording is such if the current number is 3,
it will be increased to X by 1 at each pressing. (the
number of logs in TM-747D is up to 16800)
* Execute "LOG" to disable the auto-shutdown
function. For recording for a long time, please
connect the meter to an external power supply.

5.5 Thermocouple Type Selection (TYPE):

Press to enable selection of different
thermocouple types in a full cycle.

5.6 Manual Record

Press , followed by "REC" appears on the LCD,
the log number of records will increase by +1 at
each time, and one log will be recorded.
The manual records are up to 200 logs.