background image

DMG150

mbar   Pa  mm-Hg

Microns mTorr        /sec

Set Leak Rate Temp Run

MODE

MENU

DMG150

Digital Micron Gauge

INSTRUCTION MANUAL

ENGLISH

IMPORTANT SAFETY WARNINGS

 

 

WARNING

Read entire Safety Notes section regarding potential 

hazard and proper instructions before using this meter. 

In this manual the word “

WARNING

” is used to indicate 

conditions or actions that may pose physical hazards 

to the user. The word “

CAUTION

” is used to indicate 

conditions or actions that may damage this instrument. 

 

 

WARNING

To ensure safe operation and service of the tester, follow 

these instructions. Failure to observe these warnings can 

result in severe injury or death.

 

 

WARNING

This gauge is designed for trade professionals who 

are familiar with the hazards of their trade. Observe all 

recommended safety procedures that include proper use 

of personal protective equipment that includes safety 
glasses and gloves.

FEATURES

• Measures in microns, pascals, Millibar, mmHg, mTorr
• Range 0 to 15,000 microns
• Maximum over pressure 700 psi
• Instant warm-up time
• Instant response time
• Backlit display
• Compact and light weight
• Oil contamination detection
• Sleep mode
• Ambient temperature measurement
• 5 units of measurement
• Real time leak measurement
• Time period leak measurement
• Sensor fail detection

GENERAL SPECIFICATIONS

•  Operating Temperature: 

10˚ to 122˚F (-12˚ to 50˚C)

•  Backlight: 

Yes

• Over-range:

 “OL” is displayed 

• Dimensions: 

4.3’ X 1.3’ X 1’

• Item Weight: 

2.7 oz

• Calibration: 

Recommended annually

• Accuracy: 

0 to 9,999 ±5%rdg ±5 microns 

10,000 to 15,000 ±10% rdg

OVERVIEW

DMG150

mbar   Pa  mm-Hg

Microns mTorr        /sec

Set Leak Rate Temp Run

MODE

MENU

D. 

Menu/Check 

Button

E. 

Change/X  

Button

F. 

Dust Cap

A. 

LCD 

Display

B. 

Power/

Backlight 

Button

C. 

Mode 

Button

G. 

Battery 

Cover

H. 

Vacuum Port

J. 

Dust 

Cap Removed

I. 

Serial Number

OPERATING INSTRUCTIONS

Basic Operation Mode

1.  Press Power button to power on the gauge.
2.  Press 

Mode Button

 to change the operation to Vacuum 

Reading, Temperature Reading, Leak Rate Test, Leak Test or 

Run mode.

Vacuum Reading Mode

1.  The Vacuum reading is shown on the display with Vacuum 

unit.

 CAUTION: 

OL

” will be shown if maximum Micron or  

psi limit is exceeded (

15,000 Micron/700 psi

 or unit reading  

of equal value).

2.  User may press 

Mode Button

 to skip Vacuum Reading mode 

or enter Temperature Reading mode.

3.  In Vacuum Reading mode, press Menu Button or Change 

Button to select the unit to mBar, Pa, mmHg, mTorr or Micron. 
The Vacuum indicator will be shown to indicate the Vacuum 

unit selected.

Temperature Reading Mode

1.  The Vacuum reading is shown on the display with 

Temperature measurement unit. 

2.  User may press 

Mode Button

 to skip Temperature Reading 

mode or enter Leak Rate Test mode.

3.  In Temperature Reading mode, press 

Menu/Check Button

or 

Change/X Button

 to select temperature measurement 

unit to ˚F or ˚C

Leak Rate Test Mode

1.  In Leak Rate Test mode, the leak rate test time base is 1 

second.

2.  The indicator “

Leak Rate

” and “

/sec

” will be shown. The 

real time leak rate is updated on the display once per second.

3.  User may press 

Mode Button

 to skip Leak Rate Test mode 

and enter Leak Test mode.

4.  In Leak Rate Test mode, press 

Menu/Check Button

 or 

Change/X Button

 to select vacuum.

Leak Test Mode

1.  In the Leak Test mode, the leak test time may be 

programmed for a set duration. Only the icon “

LEAK

” will 

be shown.

2.  In Leak Test mode, press the Menu Button to change the 

parameter to set in order. Vacuum unit, Minute, Second of 

time duration can be set. 3 parameters are shown on the 

display. The parameter flashes when it is selected to be 

set. If there are no changes to the 3 parameters, user may 

skip to step 6.

3.  While the vacuum unit be set, press the 

Change/X 

Button

 to select the vacuum unit.

4.  While the Minute of time duration can set, press the 

Change/X Button

, to select the minute value.

5.  While the Second of time duration can be set, press the 

Change/X Button

 to select the second value.

6.  When all 3 parameters are confirmed, Press and hold 

the 

Menu/Check Button

 to start Leak Test. “Start” will 

be shown on the display for 2 seconds and then the Leak 

Test starts. During the Leak Test, the vacuum reading and 

time left on test are shown on the display in order.

7.  User may press 

Mode Button

 to interrupt Leak Test mode 

before test time expires and go back to Vacuum Reading 

Mode. “

Quit?

” will be shown on display to confirm 

interrupting test. Press 

Menu/Check Button

 to end test 

or 

Change/X button

 to continue test.

8.  When the test time ends, “End”, the start vacuum reading, 

end vacuum reading and vacuum drop value will be shown 

on the display in order. User may press 

Menu/Check 

Button

 or 

Change/X Button

 to scroll between 4

readings.

9.  Press 

Mode button

 to go back to Vacuum Reading mode.

10. User may press 

Mode Button

 to skip Leak Test mode 

and enter Programming mode before doing leak test.

Programming Set Mode

1.  In Programming mode, user sets the target vacuum value 

and time duration. The vacuum value and time duration 

are shown on the display in order. 

2.  User may press 

Mode Button

 to enter Run mode without 

setting in  programming mode if the parameters are 

confirmed before setting.

3.  In Programming mode, press 

Menu/Check Button

 to 

select the parameter to be set in order. Vacuum value, 

unit, 

Minute, Second of time duration can be set. The 

parameter flashes when it is selected to be set. If the 

4 parameters are all set, user may press 

Mode Button

 at 

anytime to leave Programming mode and enter 

Run mode. “

Save?

” will be shown on display. Press 

Menu/Check Button

 to save or press 

Change/X Button

to quit without saving. 

4.  User may press and hold 

Menu/Check Button

 to hold 

and save and enter Run mode without “

Save?

5.  While the target vacuum value can be set, press the 

Change/X Button

 to select the vacuum value.

6.  While the target vacuum unit can be set, press the 

Change/X Button

 to select the vacuum unit.

7. While the minute of time can be set, press the 

Change/X 

Button

 to select the minute value.

8.  While the second of time can be set, press the 

Change/X Button

 to select the second value.

99 Washington Street 
Melrose, MA 02176 

Phone

 781-665-

1400

Toll Free 1-800-517-8431

Visit us at www.T

estEquipmentDepot.com

Reviews: