SSI America Marine Instruments MG1 1000 A 9V R User Manual

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  
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Accuracy: ± 1.0 % Full Scale  
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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
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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
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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
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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
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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
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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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