Metex 3200U Ultrasonic Flow & Level Monitor - Manual (Page 13)

RELAY PARAMETERS
Each relay can be individually calibrated. Press
È to
R Function and
Æ to select:
Off
Æ
Pulse
Æ
Temp
Æ
Level
Æ
Flow.
Off mode means the relay will not be energized
Pulse Appears in Flow mode only. Press
È and set digits to the flow volume increment required
between relay pulses. Use this feature for remote samplers, chlorinators or totalizers.
Minimum time between pulses is 1 second and pulse duration is 350 milliseconds.
Temp References temperature reading from the Ultrason's ultrasonic sensor (air temperature at
the sensor location). Press
È and Æ and set the relay On and Off set points.
Level
Range
Volume
Appears in Level, Range, Volume or HRT modes only. Press
È to
R Function and
Æ
to select Pump , LoAlm (low alarm) or HiAlm (high alarm).
Pump mode - press
È and Æ and set relay On and Off set points.
LoAlm mode - press
È and set relay On point. Relay will be On with levels below
this point.
HiAlm mode - press
È and set relay On point. Relay will be On with levels above
this point.
LOE - press
Æ to select
Off
Æ
On
Æ
Hold . In a loss of echo condition, the
(Loss Of Echo) relay will turn Off (de-energize), On (energize) or Hold its current state.
Each relay can be individually configured. Press
È.
To calibrate a relay for echo loss alarm only, set the relay On and Off set points to exactly
the same value, and then set
LOE to On mode. The relay will now energize only when an
echo loss condition occurs.
AquaMetrix
Ultrason
Page 13
CALIBRATION SPECIAL FUNCTION RELAY PARAMETERS
Pulse Temp R1 Function Off
R1on 0.00 ft3 R1on 0.00 C °
R1 0.00 OFF
° C
R2 Function Off
Level Flow
R1 Mode Pump LoAlm HiAlm
R1 on 0.00 ft R1 on 0.00ft3/s
R1 OFF 0.00 ft
R1 LOE Off On
Pulse Temp Level Flow
Hold