SSI Technologies – Application Note PS-AN6
MediaGauge™ (Model MG1-9V) Digital Pressure Gauge
Product Overview
Product Description
The MediaGauge™ Model MG1-9V is a NEMA 4X rated stand
alone 9V battery operated multi-functional digital pressure gauge
with a standard input pressure port made of 316L stainless steel
which has better pitting corrosion resistance in some media, such
as seawater. The MediaGauge™ MG1-9V is well suited for
marine applications.
The MediaGauge™ MG1-9V contains
a
media isolated
piezoresistive pressure sensing element, signal conditioning
circuitry for temperature and calibration compensation, a pressure
port and a LCD back lit display. The MG1-9V has an accuracy of
± 1.0% full scale and is a lower cost alternative in the SSI
MediaGauge™ family of digital pressure gauges.
The MediaGauge™ MG1-9V comes standard with a variety of
keypad operated functions – multiple pressure unit display reading
(PSI, BAR or MPA); memory storage of maximum peak pressure
reading; and zero adjustment.
The MediaGauge™ MG1-9V is made of all laser-welded 316L
stainless steel for optimal media isolation and usage in a wide
variety of media and corrosion or oxidation resistant applications.
These compact 2 ½ inch, robust gauges measure pressures from
5 PSI to 5000 PSI and are well suited for a variety of industrial and
commercial applications such as marine, refrigeration,
compressors, pumps, hydraulics, pneumatics and waste water.
MediaGauge™ Model MG1-9V
Product Features
ƒ
Accuracy: ± 1.0 % Full Scale
ƒ
Pressure Ranges: 5, 30, 100, 200, 500, 1000, 3000,
5000 PSI
The MediaGauge™ MG1-9V digital pressure gauge has better
accuracy, longer life and standard multiple functions which make it
a better choice than mechanical pressure gauges.
ƒ
ƒ
ƒ
Keypad Operated Functions: Auto zero and peak hold
Operating Temperature: -10°C to 60°C
Storage Temperature: -20°C to 85°C
SSI TECHNOLOGIES, INC.
Controls Division
2643 West Court Street
Janesville, WI 53548-5011
Phone: (608)758-1500
Fax: (608)758-2491
Copyright November 6, 2008
SSI Technologies Inc.
All Rights Reserved
Revision 3
1
SSI Technologies – Application Note PS-AN6
MediaGauge™ (Model MG1-9V) Digital Pressure Gauge
Product Overview
Since piezo resistive pressure sensors are sensitive to
changes in temperature, the MediaGauge™ MG1-9V uses
signal conditioning to compensate for temperature and
calibration. The output signal is then converted into one of 3
user selectable forms (select units with the ON/UNIT/OFF
button):
To manually power down the unit: Press the ON/UNIT/OFF
button and hold down for 3 seconds until OFF is displayed and
then release the button.
The LIGHT/P-H (Peak-Hold) button is used to turn the LCD
backlight on/off and to display the maximum peak pressure the
unit has measured.
1) PSI
2) BAR
To turn the LCD backlight on: Press the LIGHT/P-H button once.
3) MPA (kg/cm²)
To turn the LCD backlight off: Press the LIGHT/P-H button
The MediaGauge™ MG1-9V will display the pressure
reading after the ON/UNIT/OFF button is depressed. The
pressure measurement reading is updated 3 times per
second.
again.
To see the maximum peak pressure the unit has measured:
Press and hold down the LIGHT/P-H button for 3 seconds. The
maximum pressure reading will be blinking. If the maximum
pressure read was over the unit’s maximum pressure range, o.L
will be blinking on the display.
MediaGauge™ MG1-9V Panel
To return to the current pressure reading: Press the LIGHT/P-H
MediaGauge™ MG1-9V panel has a LCD display and three multi-
functional buttons – ON/UNIT/OFF; LIGHT/P-H (Peak-Held) and
RESET/CLEAR.
button and hold down for 3 seconds.
The RESET/CLEAR button is used to reset the gauge to
whatever pressure is currently applied to the port and to clear the
The ON/UNIT/OFF button is used to display the pressure
reading; switch between pressure units (PSI; BAR; and MPA) and
to power down the unit.
stored maximum peak pressure reading.
Note:
The
RESET/CLEAR button only functions when held down for 3
seconds.
To power on the unit: Press the ON/UNIT/OFF button. The
MediaGauge™ MG1-9V has a battery saver mode and will
automatically shut off the display after 3 minutes.
To reference your MediaGauge™ digital pressure gauge to the
input port: Press and hold the RESET/CLEAR button for 3
seconds. The MediaGauge™ MG1-9V will now be reference to
your input port. For example, if you have 20 psi on the display and
then you press and hold the RESET/CLEAR button for 3 seconds
the display will show 0.0 psi. A measurement of 30 psi would then
read as 10 psi on the display.
To display the pressure reading in a different pressure unit:
Continue to depress the ON/UNIT/OFF button until the arrow in
the LCD points to the pressure units desired.
SSI TECHNOLOGIES, INC.
Controls Division
2643 West Court Street
Janesville, WI 53548-5011
Phone: (608)758-1500
Fax: (608)758-2491
Copyright November 6, 2008
SSI Technologies Inc.
All Rights Reserved
Revision 3
3
SSI Technologies – Application Note PS-AN6
MediaGauge™ (Model MG1-9V) Digital Pressure Gauge
Product Overview
To reset the MediaGauge™ digital pressure gauge: Make sure
LCD Resolution (1000,3000,5000 PSI)
Proof Pressure
1
the input port is either disconnected or connected to a 0 psi input.
Press and hold down the RESET/CLEAR button for 3 seconds.
3 X Full Scale
To clear the maximum peak pressure reading: Press and hold
down the LIGHT/P-H button for 3 seconds until the maximum
pressure reading appears on the LCD (it will be blinking). Release
the LIGHT/P-H button. Press and hold down RESET/CLEAR
button for 3 seconds.
Burst Pressure
10 X Full Scale or 15,000
PSI whichever is less
Operating Temperature Range
Storage Temperature Range
-10° to 60°C (14° to 140°F)
-20° to 85°C (-4°to 185°F)
Tested Conditions
Installation/Mounting
1) Mount the MediaGauge™ MG1-9V digital pressure gauge
on a suitable (1/4” NPT) female fitting. Use Teflon tape
or pipe dope to seal the threads.
Humidity
250 Hours (40°C and 90% to 95% R.H.
Pressure/Temperature > 1.8 million Cycles (0 to FS @ 8Hz and
2) Do no over tighten. Torque to 150 in lbs +/- 1 in lb
Cycles
-20° to 85°C)
Electrical Specifications
Thermal Shock
250 Cycles (85 to -20°C. 0.5 hr soaks at
temperature
Supply Voltage
9V Battery
< 1 ms
± 1.0 FS
0.001
Vibration
144 Hours (100 to 2000 Hz, 20g
sinusoidal in 3 axes)
Response Time
Accuracy
LCD Resolution (5 PSI)
LCD Resolution (30 PSI)
0.01
LCD Resolution (100, 200,500PSI) 0.1
SSI TECHNOLOGIES, INC.
Controls Division
2643 West Court Street
Janesville, WI 53548-5011
Phone: (608)758-1500
Fax: (608)758-2491
Copyright November 6, 2008
SSI Technologies Inc.
All Rights Reserved
Revision 3
4
SSI Technologies – Application Note PS-AN6
MediaGauge™ (Model MG1-9V) Digital Pressure Gauge
Product Overview
MediaGauge™ MG1-9V with 22mm Hex and 1/4" - 18 NPT Process Connection
3
SSI TECHNOLOGIES, INC.
Controls Division
Copyright November 6, 2008
SSI Technologies Inc.
All Rights Reserved
Revision 3
2643 West Court Street
Janesville, WI 53548-5011
Phone: (608)758-1500
Fax: (608)758-2491
5
SSI Technologies – Application Note PS-AN6
MediaGauge™ (Model MG1-9V) Digital Pressure Gauge
Product Overview
Digital Pressure Gauge Ordering System
The following explains SSI’s MediaGauge™ Digital Pressure Gauge order number sequence.
Example
MG1 - 500 - A - 9V
Product Family
Pressure Ranges
Port Configuration
Connector
• 9V Battery, Operated
Hex
Port
• MG1
• 5
• 30
• A 22mm
1/4 - 18 NPT
• 100
• 200
• 500
• 1000
• 3000
• 5000
Rubber Boot Options:
Order P/N 24610.1 for Model MG1
3
SSI TECHNOLOGIES, INC.
Controls Division
Copyright November 6, 2008
SSI Technologies Inc.
All Rights Reserved
Revision 3
2643 West Court Street
Janesville, WI 53548-5011
Phone: (608)758-1500
Fax: (608)758-2491
6
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