Air Flow Logger
AD-1641 Air Flow Logger
Not just a simple air flow logger, but the world's most versatile environmental data logger!
PDF Brochure (PDF 629KB)
PDF Manual (PDF 693KB)
High precision, fast response air flow sensor to capture low-velocity air flows of 0 to 1.00 m/s
Measuring and recording of four other kinds of environmental data – temperature, humidity, barometric pressure and vibration
Alarm for abnormal values (comparator function)
Large memory capacity of 10,000 data sets
Instant data saving to a PC requiring no special software
Separate, easy-to-mount air flow sensor with 2 m cable length
Simultaneous logging of the five kinds of environmental data and weighing data
Real-time transmission of environmental data (with or without weighing data) to a PC possible
No battery power required when connected to a PC
Power-saving function when operated on batteries
Remaining battery level indicator
Optional AC adapter available for use with the provided 2-meter USB cable
Interval time setting for data capture
Peak hold function for vibration measurement
Primary data mode to display two selected data items in large size separately
Trend graph mode to visualize chronological changes using graphs
Protector against dust & water (IP65) as well as 1.5 m drop impacts
ID number setting that makes file management easier
Connection cables provided as standard, including three types of RS-232C cables for weighing instruments
Compact size for high portability
AD-1687-22: Desktop/wall-mount stand
AX-KO3986-150 : Waterproof extension cable (1.5 m) for the thermo-hygrometer
AX-TB265 : AC adapter (AC 100 – 240 V; Interchangeable plugs – A/BF/C/S)
Data capacity Maximum 10,000 sets (including date and time)
Interval time 1, 2, 5, 10, 15, 20, 30 seconds, 1, 2, 5, 10, 15, 20, 30, 60 minutes
Power supply Two LR6 (AA) batteries or USB*
Battery life Approx. 20 hours (with alkaline batteries)
Clock accuracy Maximum ±1 minute/month
Compatible operating systems Windows 2000 / XP / Vista / 7 / 8 / 10 (32 / 64 bit)
Operating environment 0 to 60 °C / 32 to 140 °F, 85% RH or less (no condensation)
Dimensions / Weight Main unit : 127 (W) × 90 (H) × 36 (D) mm (including the protector) / 275 g (including batteries and protector)
Air flow sensor unit : 90 (W) × 90 (H) × 91 (D) mm / 89.7 g
Standard accessories Three RS-232C cables for weighing instruments (9-pin D-Sub, 25-pin D-Sub, and 7-pin DIN, 1 m), USB cable (2 m), Cable for the air flow sensor unit (2 m), Two R6 (AA) batteries (for operation check), Protector (for the main unit), Instruction manual
* No battery is required when connected to a PC or AC adapter (optional) via USB.
Sensor Resolution Measurement range Accuracy
Air flow 0.01 m/s 0 to 1.00 m/s ±0.05 m/s (0.10 to 1.00 m/s)
Temperature 0.1 °C
0.1 °F
0 to 60 °C
32 to 140 °F
±0.5 °C (20 to 30 °C)
±0.9 °F (68 to 86 °F)
Relative humidity 0.1% RH 0 to 100% ±3% (20 to 80%)
Barometric pressure 0.1 hPa 500 to 1100 hPa ±3 hPa (0 to 60 °C)
Vibration 1 Gal 0 to 2000 Gal ±20%, static acceleration
About Measurement Accuracy

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