SSI Technologies – Application Note PS-AN4
MediaGauge™ (Model MG-9V) Digital Pressure Gauge
Product Overview
Product Description
The MediaGauge™ Model MG-9V digital pressure gauge is
a stand alone 9V battery operated multi-functional digital
pressure gauge. The MG-9V digital pressure gauge
contains a media isolated piezoresistive pressure sensing
element, signal conditioning circuitry for temperature and
calibration compensation, a 304L stainless steel input
pressure port and a LCD back lit display. The MG-9V digital
pressure gauge has an accuracy of ± 0.25 % full scale. A
battery power saver mode is incorporated into the MG-9V to
automatically shut the LCD display off after 5 minutes
prolonging the battery’s life.
The MediaGauge™ MG-9V digital pressure gauge 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. A Ft of Head pressure measurement
display is available as an option for the MG-9V model.
MediaGauge™ Model MG-9Vand Model MG-9V-F
Product Features
.
Superb Accuracy: ± 0.25% Full Scale
.
Pressure Ranges: 5, 15, 50, 75, 100, 200, 300, 500,
750, 1000, 1500, 2000, 3000, 5000 PSI
The MediaGauge™ MG-9V digital pressure gauge is made
of all laser-welded 304L & 316L stainless steel for optimal
media isolation and usage in a wide variety of media. These
compact 3 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 refrigeration,
compressors, pumps, hydraulics, pneumatics and waste
water.
.
.
Keypad operated functions: Auto zero and peak hold
Operating Temperature: -10°C to 60°C
Storage Temperature: -20°C to 85°C
.
.
Typical Applications: General Purpose, Test, Process
Control, MRO, Water, Compressors, Refrigeration; Fuel
Cells; Pumps; Hydraulics; Spraying Systems;
Pneumatics; Flow; Robotics; Agriculture; Hydrogen
Storage
The MediaGauge™ MG-9V digital pressure gauge has
better accuracy, longer life and standard multiple functions
which make it a better choice than mechanical pressure
gauges.
.
.
NIST traceable certificates available
NEMA 4X Rating
Copyright January 30, 2009
SSI Technologies Inc.
All Rights Reserved
Revision 4
SSI TECHNOLOGIES, INC.
Controls Division
2643 West Court Street
Janesville, WI 53548-5011
Phone: (608)758-1500
Fax: (608)758-2491
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SSI Technologies – Application Note PS-AN4
MediaGauge™ (Model MG-9V) Digital Pressure Gauge
Product Overview
The Backlight/P-H (Peak-Held) button is used to turn
MediaGauge™ MG-9V Panel Operation
the LCD backlight on/off and to display the maximum peak
The MediaGauge™ MG-9V panel has a LCD display and
pressure the unit has measured.
three
multi-functional
buttons
–
ON/UNIT/OFF;
Backlight/P-H (Peak-Held) and RESET/CLEAR.
To turn the LCD backlight on: Press the Backlight/P-H
button once. To turn the LCD backlight off: Press the button
again.
To see the maximum peak pressure the unit has measured:
Press and hold down the Backlight/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.
To return to the current pressure reading:
Press the
Backlight/P-H 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 stored maximum peak pressure reading.
To reference your MediaGauge™ digital pressure gauge to the
input port: Press and hold the RESET/CLEAR button for 3
seconds. The MediaGauge™ MG-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
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.
To power on the unit: Press the ON/UNIT/OFF button. The
MediaGauge™ MG-9V has a battery saver mode and will
automatically shut off the display after 5 minutes.
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.
To reset the MediaGauge™ digital pressure gauge: Make sure
the input port is either disconnected or connected to a 0 psi
input. Press and hold down the RESET/CLEAR button for 3
seconds.
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.
Copyright January 30, 2009
SSI Technologies Inc.
All Rights Reserved
Revision 4
SSI TECHNOLOGIES, INC.
Controls Division
2643 West Court Street
Janesville, WI 53548-5011
Phone: (608)758-1500
Fax: (608)758-2491
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SSI Technologies – Application Note PS-AN4
MediaGauge™ (Model MG-9V) Digital Pressure Gauge
Product Overview
To clear the maximum peak pressure reading: Press and hold
down the Backlight/P-H button for 3 seconds until the
maximum pressure reading appears on the LCD (it will be
blinking). Release the Backlight/P-H button. Press and
hold down RESET/CLEAR button for 3 seconds.
Electrical Specifications
Electrical Specifications (Cont.)
Supply Voltage
9V Battery
< 1 ms
Stability (Typical)
< 0.25% Full Scale/Year
X.000
Response Time
LCD Resolution (5 PSI)
LCD Resolution (15 to 75 PSI)
LCD Resolution (100 to 750 PSI)
Proof Pressure
Accuracy (75-3000 PSI)
Thermal Error typ. (75-3000 PSI)
Total Error (75-3000 PSI)
Accuracy (15-50 PSI)
Thermal Error Typ. (15-50 PSI)
Total Error (15-50 PSI)
Accuracy (5 PSI)
± 0.25 FS
± 0.25 FS
± 0.25 FS
± 0.50 FS
± 0.50 FS
± 0.50 FS
± 1.00 FS
± 1.00 FS
± 1.00 FS
XX.00
XXX.0
3 X Full Scale
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)
Thermal Error Typ. (5PSI)
Total Error (5PSI)
Copyright January 30, 2009
SSI Technologies Inc.
All Rights Reserved
Revision 4
SSI TECHNOLOGIES, INC.
Controls Division
2643 West Court Street
Janesville, WI 53548-5011
Phone: (608)758-1500
Fax: (608)758-2491
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SSI Technologies – Application Note PS-AN4
MediaGauge™ (Model MG-9V) Digital Pressure Gauge
Product Overview
Installation/Mounting
Tested Conditions
1) Mount the MediaGauge™ MG-9V digital pressure
gauge on a suitable (1/4” or 1/8” 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
Cycles
-20° to 85°C)
2) Do no over tighten. Torque to 150 in lbs +/- 1 in lb.
Thermal Shock
250 Cycles (85 to -20°C. 0.5 hr soaks at
temperature
Vibration
144 Hours (100 to 2000 Hz, 20g
sinusoidal in 3 axes)
Copyright January 30, 2009
SSI Technologies Inc.
All Rights Reserved
Revision 4
SSI TECHNOLOGIES, INC.
Controls Division
2643 West Court Street
Janesville, WI 53548-5011
Phone: (608)758-1500
Fax: (608)758-2491
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SSI Technologies – Application Note PS-AN4
MediaGauge™ (Model MG-9V) Digital Pressure Gauge
Product Overview
MediaGauge™ with 22mm Hex and 1/4" - 18 NPT Process Connection
SSI TECHNOLOGIES, INC.
Controls Division
Copyright January 30, 2009
SSI Technologies Inc.
All Rights Reserved
Revision 4
2643 West Court Street
Janesville, WI 53548-5011
Phone: (608)758-1500
Fax: (608)758-2491
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SSI Technologies – Application Note PS-AN4
MediaGauge™ (Model MG-9V) Digital Pressure Gauge
Product Overview
Digital Pressure Gauge Ordering System
The following explains SSI’s MediaGauge™ Digital Pressure Gauge order number sequence.
Example
MG - 500 - A - 9V
Product Family
Pressure Ranges
Port Configuration
Connector
Hex
Port
• MG
• 5
• 15
• 50
• 9V
Battery, Operated
• A 22mm
• B 22mm
1/4 - 18 NPT
1/8 – 27 NPT
• 9V-F Battery, Operated with optional
Ft of Head units
• 75
(Port B is valid only on MG
models and has a 6 week lead
time)
(9V-F is valid only for MG
models)
• 100
• 200
• 300
• 500
• 750
• 1000
• 1500
• 2000
• 3000
• 5000
Ft of Head Options
MG 100 – A – 9V – F
200 – A – 9V – F
300 – A – 9V – F
Rubber Boot Options:
Order P/N 14405.1 for Model MG
SSI TECHNOLOGIES, INC.
Controls Division
Copyright January 30, 2009
2643 West Court Street
Janesville, WI 53548-5011
Phone: (608)758-1500
Fax: (608)758-2491
SSI Technologies Inc.
All Rights Reserved
Revision 4
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