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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.
&
keys – Table 2 shows the operation of the two keys. In order to
leave the Real time mode and get into configuration (Maximum Mode), the
key has to be pressed and held for 2 seconds.
The back panel also accommodates two terminal blocks for Relay options. Each
provides contact closure for high and low alarm built-in relays.
Operation
Press Key
Press /Set
Key
Real Time
Go to Maximum Mode
Laser & Laser LED
Power LED flashes once
is ON/ OFF
Maximum Mode
Go to Minimum Mode
Reset Max & Min
Output is set to Max. Power LED flashes twice
temperature
Minimum Mode
Go to High Alarm Mode
Reset Max & Min
Output is set to Min. Power LED flashes 3 times temperature
High Alarm Mode
Go to Low Alarm Mode
Change output from
Output is set to High Power LED flashes 4 times 1mV/°C to F or vice
Alarm set point
versa (If applicable)
Low Alarm Mode
Go to Real Time Mode
Change output from
Output is set to Low Power LED is on
1mV/°C to F or vice
Alarm set point
versa (If applicable)
Table 2. Keypad Configuration Flow Chart
SET
LASER
MODE
SET
LASER
MODE
MODE
3-1
Main Operations
3
Содержание OS4000 Series
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