The Martel 303/306 temperature meter provides a variety of options for the accurate measurement of
temperature. Both models of the Martel 303/306 temperature meter provide ±0.2% of reading
or better accuracy and 0.1°C/°F resolution over their measurement ranges. The Martel 303/306
temperature meter features input protection to 60 VDC or 24 Vrms. REL, HOLD, and MIN/MAX functions
simplify use. Both Martel 303/306 temperature meters provide automatic power off to preserve and
extend battery life.
Features of the Martel 303 Temperature Meter
The Martel 303 temperature meter is a dual-input, dual display, temperature meter which accepts both
Type J and K thermocouples. The Martel 303 temperature meter features a measurement range of -200
to +760°C (Type J) and -200 to +1370°C (TypeK). REL, HOLD, and MAX/AVG/MIN functions and
temperature unit selection are available at the push of a button. Measurement of T1, T2, or T1-T2 is
selected by push button as well. An RS232 interface is available for downloading measurement data to a
PC for analysis.
Features of the Martel 306 Temperature Meter
The Martel 306 temperature meter is a dual-input, triple display, Type K temperature meter with a
measurement range of -200 to +1370°C. HOLD, TIME, and MAX/MIN functions and temperature unit
selection are available at the push of a button. Up to 16,000 records can be stored by the Martel 306
temperature meter for downloading to a PC using the supplied RS232 cable and graphing/analysis software.
The Martel 306 temperature meter provides data logging for up to 16,000 records.
