DMG150
mbar Pa
mm
-Hg Microns mTorr /sec
Set Leak RateTemp 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 RateTemp 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.
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Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431
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