Appendix A.
11
Specifications
Accuracy:
25 °C: Typically ± 0.4% of reading [± 3 counts
on the least significant digit displayed (all ranges)].
0-55 °C:
Typically ± 0.6% of reading [± 3 counts on the
least significant digit displayed (all ranges)].
Range Selection:
Autoranging (3 ranges).
Sensor Calibration:
Calibration multipliers for two
sensors are stored in memory. Calibration multipliers
are entered from the keypad.
Sensor Averaging:
Sensor output is averaged for 15
seconds when AVG key is pressed in Measurement
mode. Averages are displayed in HOLD mode to
retain the average on the display.
Linearity:
± 0.05%.
Operating Conditions:
0 to 55 °C, 0 to 95% RH (non-
condensing).
Storage Conditions:
-55 to 60 °C, 0 to 95% RH (non-
condensing).
Display:
4 1/2-digit custom LCD display. Updated every
0.5 seconds.
Keypad:
Sealed, 5-key tactile response keypad.
Battery Life:
150 hours typical with continuous oper-
ation. Automatic shutoff after 25 minutes of inactiv-
ity in measurement mode.
