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3
Main Operations
Main Operations
Figure 9 shows the back panel with all the controls & LED indications as
described below:
High Alarm LED – Red, It turns on when in high alarm condition.
Low Alarm LED – Red, It turns on when in low alarm condition.
Laser LED – Red, It turns on when the laser beam is on.
Power LED – Green, It turns on when the power is on.
Emissivity Dial – The dial allows the user to set the object Emissivity from 0.99 to
0.05 in 0.01 steps.
Gain Adjust – It allows the user to increase or decrease the optical gain. Over
time, some of the fiber strands inside the fiber cable may break due to handling
or stress which can reduce the overall optical gain and the accuracy of the unit.
The gain adjust compensates for the optical gain loss.
MODE
leave the Real time mode and get into configuration (Maximum Mode), the
MODE
The back panel also accommodates two terminal blocks for Relay options. Each
provides contact closure for high and low alarm built-in relays.
3-1
LASER
&
keys – Table 2 shows the operation of the two keys. In order to
SET
key has to be pressed and held for 2 seconds.
Operation
Press
Real Time
Go to Maximum Mode
Power LED flashes once
Maximum Mode
Go to Minimum Mode
Output is set to Max. Power LED flashes twice
Minimum Mode
Go to High Alarm Mode
Output is set to Min. Power LED flashes 3 times temperature
High Alarm Mode
Go to Low Alarm Mode
Output is set to High Power LED flashes 4 times 1mV/°C to F or vice
Alarm set point
Low Alarm Mode
Go to Real Time Mode
Output is set to Low Power LED is on
Alarm set point
Table 2. Keypad Configuration Flow Chart
Key
Press
MODE
Laser & Laser LED
is ON/ OFF
Reset Max & Min
temperature
Reset Max & Min
Change output from
versa (If applicable)
Change output from
1mV/°C to F or vice
versa (If applicable)
LASER
/Set Key
SET
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