SSI Technologies – Application Note PS-AN7
MediaGauge? (Model MG-MD) Digital Pressure Gauge
Product Overview
4) Connect the brown wire to one side of the relay.
Connect the other side of the relay to ground. Refer
to Figure 1.
Electrical Specifications
5) When monitoring the 4-20 mA current output with a
Supply Voltage
8 - 30 Vdc supply
current meter,
Connect the current meter in
Response Time
< 1 ms
series with the 4-20 mA output.
Connect the 4-20mA output (Blue Wire) to the
Accuracy (75-3000 PSI)
± 0.25 % FS
+ terminal of the current meter. Connect the
– terminal of the current meter to ground.
6) When monitoring the 4-20 mA current output
with a voltage meter , connect the 4-20mA output
to an appropriate resistive load selected based on
the value of your supply voltage. See Figure 2.
Connect the 4-20 mA output (Blue Wire) to one end
of the resistive load. Connect the other end of the
resistive load to ground.
Note: The 4-20mA (Blue Wire) must be connected
directly to ground when not being used for monitoring
purposes.
SSI TECHNOLOGIES, INC.
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)
Thermal Error Typ. (5 PSI)
Total Error (5 PSI)
Stability (Typical)
± 0.25 % FS
± 0.25 % FS
± 0.50 % FS
± 0.50 % FS
± 0.50 % FS
± 1.0 % FS
± 1.0 % FS
± 1.0 % FS
< 0.25% Full Scale/Year
Controls Division
2643 West Court Street
Janesville, WI 53548-5011
Phone: (608)758-1500
Fax: (608)758-2491
Copyright January 30, 2009
SSI Technologies Inc.
All Rights Reserved
Revision 4
www.ssitechnologies.com
6
RoHS
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