Comark KM340 - Manual (Page 39)

38
Specifications
Temperature Scale
Celsius or Fahrenheit user-selectable
Measurement Range
-50°C to 1300°C, (-58°F to 1999°F)
Resolution
1°C or 1°F
Accuracy Accuracy is specified for an operating
temperature of 23°C (73°F), for 1
year,not including thermocouple error
+2, -1°C -50°C to 0°C
+4, -2°F -58°F to +32°F
±(0.2% rdg + 1°C) 0°C to 1100°C
+0.2, -0.7% rdg ±1°C +1100°C to +1300°C
±(0.2% rdg +2°F) +32°F to 1999°F
Temperature Coefficient
including Cold Junction
± 0.01% rdg ±0.04°C per °C change
from +23°C
Reading Rate 2.5 times per second
Input Connector Accepts standard miniature
thermocouple connectors (flat blades
spaced 7.92mm, centre to centre)
Use with two probes To avoid measurement errors due to a
continuous electrical circuit when
using a probe in T1 and another in
T2 at least one probe should have an
isolated junction.
Ambient Operating Range 0°C to 50°C (32°F to 122°F)
Storage Temperature -20°C to 60°C (-4°F to 140°F)
Relative Humidity 0% to 80% (0°C to 35°C) (32°F to
95°F)
0% to 70% (35°C to 50°C) (95°F to
122°F)
Display 3 1 /
2
digit liquid crystal display (LCD)
with maximum reading of 1999
Battery Standard 9V PP3 battery (NEDA
1604 IEC 6f22)
Battery Life 200 hours typical with ALKALINE
battery
Dimensions (Instrument 147mm(H) x 70mm(W) x 39mm(D)