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Recommended separation distances between portable/mobile RF communications equipment and the
FlowCOUPLER Monitor
The 20 MHz FlowCOUPLER Monitor is intended for use in an electromagnetic environment in which radiated RF
disturbances are controlled. The customer or the user of the FlowCOUPLER Monitor can help prevent electromagnetic
interference by maintaining a minimum distance between portable and mobile RF communications equipment (transmitters)
and the Doppler system as recommended below, according to the maximum output power of the communications equipment.
Rated maximum output
Separation distance according to frequency and power of transmitter
power of transmitter
w
150 kHz to 80 MHz
d=1.2√P
0,01
0,12
0,1
0,38
1
1,2
10
3,8
100
12
For transmitters rated at a maximum output power not listed above, the recommended separation distance (d) in metres (m)
can be estimated using the equation applicable to the frequency of the transmitter, where P is the maximum output power
rating of the transmitter power in watts (W) according to the transmitter manufacturer.
NOTE 1: At 80 MHz and 800 MHz, the separation distance for the higher frequency applies.
NOTE 2: These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection
from structures, objects and people.
Performance Criteria
Failures include any time the unit does not produce an audible signal when detectable flow is present.
In addition to component malfunction, failures also include units that produce a false audible that is
indistinguishable from a signal produced by flow. Non-intentional audible signal tones are allowed to
be produced by the unit, so long as they cannot be easily mistaken for flow.
The equipment or system may exhibit degradation of performance (e.g. Deviation from specifications)
that does not affect essential performance or safety.
Declaration:
The GEM FlowCOUPLER Monitor is a Group I, Class A device that is intended for use in
an electromagnetic environment. The unit has met the performance requirements for non-life
supporting equipment pursuant to IEC 60601-1-2:2004 when subjected to an electrical field of 3V/m
from 80 MHz with 80% AM at 1 kHz as well as an electrical field of 3 Vm from 800 MHz To 1 GHz
with 100% amplitude modulation at 200 Hz square wave. The user of the Doppler system should
assure it is being used in such an environment.
Troubleshooting:
There are no user serviceable components inside this device other than the batteries. Disassembly of
the internal components of this unit may result in circuit damage.
20 MHz
system.
(m)
80 MHz to 800 MHz
800 MHz to 2,5 GHz
d=1.2√P
d=1.2√P
0,12
0,23
0,38
0,74
1,2
2,3
3,8
7,4
12
23
TROUBLESHOOTING GUIDE
Symptoms
Possible Problem
No sound output
No power
No power
Volume is too low
Wrong channel is being used
Batteries are dead
Monitor not functioning
Monitor not functioning
Weak sound output
Weak batteries (low battery indicator is illuminated)
Volume is too low
Monitor not functioning
Monitor not functioning
SERVICE:
For Customer or Technical service, contact:
Phone: + 205.941.0111 or 1.800.510.3318 (U.S. only) • Fax: + 205.941.1522
Website: synovismicro.com
STORAGE CONDITIONS:
Recommended storage at 15 - 40°C (59 - 104°F)
8
Solution
Verify Monitor power is on
Check all connections:
• Probe Connector to External Lead
• External Lead to Monitor
• Monitor to AC Power Supply
• AC Power Supply to Power Cord
• Power Cord to outlet
Adjust volume using Volume Increase switch
Verify the correct channel is illuminated
Replace batteries or use external power supply
Connect a different Monitor
Contact Synovis Micro Companies Alliance
Replace batteries or use external power supply
Adjust volume using Volume Increase switch
Connect a different Monitor
Contact Synovis Micro Companies Alliance
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