Instrument Description - Extech Instruments IRC350 User Manual

Instrument Description

Front Panel
AT OUT
SET
1. The top display (red LED digits) shows the actual temperature
2. The bottom display (green LED digits)
temperature value
3. Status LEDs:
•
AT – This is a factory-only diagnostic function and will not switch on during
normal operation
•
OUT – Illuminates when the instrument is actively heating
•
ALM1 - Overload Alarm No. 1 illuminates when the target assembly
temperature exceeds the set point temperature by the programmed value
(default = 9ºF / 4.5ºC). The fan will increase to maximum velocity when the
alarm limit is reached
•
ALM2 – Unused
•
°C - Unit of measure temperature indicator (Celsius)
•
°F - Unit of measure temperature indicator (Fahrenheit)
4. Controller Keypad – For setting the desired temperature (set-point)
and for selecting the unit of measure
•
SET – Used to enter into the programming mode, enter the
temperature set points or to store the ºF or ºC selection.
•
- Used to scroll through the programming selections.
•
DOWN –Used to decreases the set-point value and also to select
the desired unit of measure (ºF or ºC)
•
UP – Used to increases the set-point temperature and also to
select the desired unit of measure (ºF or ºC)
5. Target assembly
6. Test aperture for placing a temperature sensor.
DOWN UP
shows the desired
5
5
(set-point)
Model IRC350 Version 4.0 06/08