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SPECIFICATION (con’t)
ENVIRONMENTAL LIMITS
OPERATING:
32º to 122º F (0º to 50ºC), less than 80%
relative humidity up to 95ºF (35ºC), less than
70% relative humidity from 95º to 122ºF (35º
to 50ºC); linearly derate 3% R.H./ºC 35º to
60ºC.
STORAGE:
-30º to 140ºF (-35º TO 60ºC), less than 90%
relative humidity up to 95ºF (35ºC); linearly
derate 3% R.H./ºC 35º to 60ºC.
COLD-JUNCTION COMPENSATION: Semiconductor temperature sensor
INPUT CONNECTIONS:
OMEGA subminiature thermocouple
connector (2)
mV OUTPUT CONNECTION:
Dual banana jacks
POWER:
9 V alkaline or carbon-zinc (NEDA 1604)
battery
BATTERY LIFE CONTINUOUS:
100 hrs. typical with alkaline battery; 50 hrs.
typical with carbon-zinc battery
BATTERY INDICATOR:
Display indicates “BAT” when less than
10% of life remains
DIMENSIONS:
H: 7.0" (178 mm) x W: 3.1" (78 mm)
x D: 1.6" (42 mm)
WEIGHT:
10.6 oz. (300 grams)
FOR MODEL 871A
TEMPERATURE SENSOR:
Type K (NiCr-NiAI) thermocouple
RANGES:
200ºF, 2000ºF, 200ºC, 1370ºC
TEMPERATURE SPAN:
-40.0º to 199.9ºF, -40º to 1999ºF
-40.0º to 199.9ºC, -40º to 1370ºC
RESOLUTION:
0.1ºF, 1ºF, 0.1ºC, 1ºC
INPUT CURRENT:
200nA maximum
CONVERSION PERIOD:
400 ms (2.5 readings per sec)
OVERRANGE AND OPEN
THERMOCOUPLE INDICATION:
Display blanked except for overrange digit
Содержание 871A
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