Test Products International 556C1 - Manual (Page 10)

Introduction
Thank you for purchasing TPI brand products. The 556 Digital Air
Velocity Meter is a state of the art, easy to use instrument designed
to provide temperature and air velocity readings as well as
calculating CFM. The instrument is ruggedly constructed and
comes with a 3 Year Guarantee.
This manual will guide you through the functions of the TPI 556
which will give you many years of reliable service.
Your TPI 556 Digital Air Velocity Meter comes complete with the
following items as standard:
TPI 556 Instrument
Rubber Boot
Soft Carrying Case
Batteries
Instruction Manual
Your TPI 556 Digital Air Velocity Meter has the following options
available:
Serial Computer Interface RS232
10 3
SPECIFICATIONS
Operating Temperature Range 0°C to 50°C (32°F to 122°F)
Operating Humidity Less than 80% non-condensing RH
Battery 9V Alkaline battery
Battery Life >30 hours Continuous use
Display Dual LCD with function annuciators
Dimensions 148 x 73 x 30 mm (Main Instrument)
70 x 145 mm (Vane)
Casing Rubber Boot as standard
Switch Off Automatic Power off after 10 minutes
SENSORS
Measurement Range Resolution
m/s 0.4 - 30.0 0.1
km/h 1.4 - 108.0 0.1
mile/h 0.9 - 67.08 0.1
knots 0.8 - 58.32 0.1
ft/min 80 - 5916 1
Accuracy ±2% of reading, +3 digits
m/s = meters per second
km/h = kilometers per hour
mile/h = miles per hour
knots = nautical miles per hour
ft/min = feet per minute
CFM/CMM 0 - 999900 0.1
Area 0.001 - 9999 0.001
CFM = cubic feet per minute
CMM= cubic meter per minute
Temperature -20°C to 80°C 0.1
-5°F to 175°F 0.1
Accuracy ±1% of reading, +3 digits