TC-1 Operating Manual
Page 9
6 Operating the alarms
If the alarm is activated, the corresponding item on the display will flash. At the same time the externally available alarm
switch will close. The switch will remain closed until any button is pressed to acknowledge the alarm or until the
condition(s) that activated the alarm no longer exist. The alarm output can be used to switch an external alarm indicator.
The external alarm switch is an open collector transistor switch to ground with a maximum rating of 0.5A DC. It is possible
to wire the alarm contacts of several Stratomaster instruments in parallel should this be desired. To avoid false activation
of the alarms, the alarm function is only active 10 seconds after the instrument has powered up.
7 Cleaning
The unit should not be cleaned with any abrasive substances. The screen is very sensitive to certain cleaning materials
and should only be cleaned using a clean, damp cloth.
8 TC-1 Specifications
Operating Temperature Range
-10ºC to 50ºC (14ºF to 122ºF)
Storage Temperature Range
-20ºC to 80ºC (-4ºF to 176ºF)
Humidity
<85% non-condensing
Power Supply
8 to 30Vdc SMPS (switch mode power supply) with built in 33V over voltage
and reverse voltage protection
Current Consumption
Approx. 42mA @ 13.8V (backlight on) 15mA @13.8V (backlight off)
Display
114x64 graphic LCD display. Contrast and backlight is user configurable,
green/yellow backlight
ADC
12bit over sampled successive approximation
Dimensions
see Infinity series dimensional drawing
Enclosure
2 1/4” ABS, black in color, front or rear mounting
Weight
Approx. 170 grams
Non-volatile memory storage
100000 write cycles
Thermocouples
J-type/K-type and E-Type
Measurement range
J-Type/K-Type: -100ºC to 1200ºC (-148ºF to 2192ºF)
E-Type: -100ºC to 900ºC (-148ºF to 1652ºF)
Technology
Fully cold junction compensated using precision internal temperature
reference, built in thermocouple linearization tables
Measurement accuracy
+/- 5 degrees typical over full temperature range, subject to quality of probe
used. We recommend MGL Avionics EGT and CHT probes
Inputs
Differential, can use grounded and isolated probes
Common mode voltage range
-2V to +3V
Warning:
The TC-1 is not waterproof, serious damage could occur if the unit is exposed to water
and/or spray jets.
