M4745/1222
Page 7 of 24
SECTION 1 - SPECIFICATIONS
Ranges:
Probe AP275:
50 to 7800 ft/min (feet per minute)
0.25 to 39.60 m/sec (meters per second)
Air Probe AP100: 300 to 6890 ft/min (1.50 to 35.00 m/sec)
Accuracy: AP275:
±1.0% of reading ±1 digit in FPM
AP100:
±0.5% full scale ±0.75% of reading ±1 digit in FPM
Resolution:
1 ft/min or 0.01 m/sec
Operating Temperature:
Instrument:
32
˚
to 125
˚
F (0
˚
to 50
˚
C)
Probes:
-4
˚
to 212
˚
F (-20
˚
to 100
˚
C)
Power Supply:
3 AA alkaline batteries
Battery Life:
Approx. 150 hours, without backlight
Battery check:
Automatic low battery display
Display:
0.5” LCD, 4 digits, with LED backlight