
15
14
Fig. C
(see page 2)
Buttons
1. Up button
(for EMS,HAL,LAL)
2. Down button
(for EMS,HAL,LAL)
3. Modebutton ( for cycling through the mode loop)
5.2 Functional Design
1. The switches of C/F sat in a cell switching
2. In the measuring time up, down keys to adjust the Emissivity.
3. IN the hold time up keys to turn on or off the laser Down keys to turn on or off
the backlight
4. To set values for the High Alarm (HAL), Low Alarm (LAL) and Emissivity (EMS),
press the MODE button until the appropriate code appears in the display,
press the UP and down buttons to adjust the desired values.
MODE Button Function
Press the mode button also allows you to
access the set state, Emissivity (EMS),
Lock on/off,HAL on/off, HAL adjustment
LOW on/off, LOW adjustment, Each time
you press set you advance through the
mode cycle. The diagram shows the
sequence of functions in the mode cycle.
EMS adjustment.
The Emissivity (EMS) digitally
EMS adjustment
LOCK on/off
HAL on/off
HAL adjustment
LOW on/off
LOW adjustment
MODE
adjustable from 0.10 to 1.0, LOCK on/off. The lock mode is particularly useful for
continuous monitoring of temperatures. Press the up button or down button to
turn on or off . Press the Measurement Trigger to confirm the lock measurement
mode. The ST485 will continuously display the temperaure until press again the
Measurement Trigger.
In lock mode, press the up button or down button adjustable the Emissivity. HAL
(LOW) on/off. Press the up button or down button to turn on or turn off. Press the
Measurement Trigger to confirm the High (Low) alarm mode.Hal (LOW) adjustment.
The high (Low) alarm adjustable form ST485 -50 to 800°C (-58°C ~ 1472°F)
5.3 Switching °C/°F
Select the temperature units (°C or °F) using the °C/°F switch ( 1 )
5.4 Max
indicate the max record that displays between
the pressing and releasing the „ON/OFF“ button each time
5.5 Measurement operation
1. Hold the meter by its Handle Grip and point it toward the surface to be measured.
2. Pull and hold the Trigger to turn the meter on and begin testing. The display will
light if the battery is good. Replace the battery if the display does not light.
3. Release the Trigger and the HOLD display icon will appear on the LCD indicating
that the reading is being held. In HOLD status, press the UP button to turn on or
off the laser. And press the DOWN button to turn on or off the backlight.
4. The meter will automatically power down after approximately 7 seconds after the
trigger is released. (Unless the unit is locked on)
5.6 Distance & Spot Size
As the distance (D) from the object increases, the spot size (S) of the area measured
by the unit becomes larger. The relationship between distance and spot size for
each unit is listed below. The focal point for each unit is 914mm (36”). The spot sizes
indicate 90% encircled energy.
1