Miniature Battery Powered Digital
Pressure Gauge
DPG108
INSTRUCTION
SHEET
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M5699/1118
Introduction
DPG108 is a battery powered digital
pressure gauge, making for easy
on-site installation. The DPG108
uses a high-precision piezo-resistive
pressure sensor. The output signal
is amplified by a high-precision,
low-temperature drift amplifier.
The signal is then fed into a high
accuracy A/D converter for the
microprocessor to process and then
show on the LCD display.
This flexible, simple to operate
digital pressure gauge is safe,
reliable, and easy to maintain.
The DPG108 is widely used in
hydropower, water, petroleum,
chemical, mechanical, hydraulic, and
other industries.
Features
• High resolution, back lit, LCD
Display.
• Automatically records the
maximum pressure values during
measurement
• Five engineering units
• Adjustable 0-15 minute auto
shut-off
• Efficient power usage - over 2,000
hours in power-saving mode
• 4 times per second sampling rate
• Can be used with gasses and
liquids compatible with stainless
steel.
Specifications
• Measuring Range
-0.1~0~100MPa
• Engineering Units
psi, bar, kPa, MPa, kg / cm
2
• Overload Pressure
150%~200%
• Pressure Type
G / A / D
• Stability
≤0.1% FS per year
• Power Supply
9VDC
• Display
4 Digits
• Accuracy Range
±0.25% for gauge pressure
>5psi
±0.5% FS for all others
including absolute, compound
gauge, and Vacuum ranges
• IP Rating
IP65 / IP68 with Silicone case
• Sampling Rate
≤4 t/s
• Operating Temp
-
20ºC ~ 70ºC
• Relative Humidity
≤90%
• Thread Size
1/4 NPT
• Thread Material
SS316
Dimensions
Operating Instructions
• Power On / Off
Short Press On / Off button
• Change Engineering Units
Long press On / Off button
• Reset Peak Pressure
Short press “Zero” button
• Clear Display
Long press “Zero”
button
Modify Setting
Short Press Zero button to modify
the current setting; Long Press
Zero button to shift the digit being
adjusted from left to right.
Short press On/Off button to modify
the current setting; Long Press to
save the value change.
Setting Menu
• locd
password input menu, default
is 1000
• offt
auto-off time menu, 0-15
minutes. 00 means no auto-off
function
• bclt
back light time menu, 0-15
minutes. 00 means no auto-off
function
• end
exit menu. 0 or 1.0 means
exiting without keeping the
changes; 1 means exiting and
keeps the changes
Navigating the Menu
Press the On/Off and Zero buttons
simulatenously and press 1000 to
unclok the screen. Short press the
Zero button to choose the menu to
be modified. Short press the On/Off
button to change the value. Short
press the On/Off button to confirm
the change. Short press the Zero
button to choose the “end-” menu.
When “1” appears, press On/Off to
keep the change and exit all menus.
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