Test Products International 555c1 User Manual
Page 3
6
SPECIFICATIONS
Instrument General
Operating Temperature Range -10˚C to +50˚C
Operating Humidity
Less than 95% non-condensing
Battery
9
Volt
Alkaline
battery
Battery Life
> 30 Hours Continuous Use
Display
Backlit Dual LCD with function annunciators
Dimensions
74mm x 144mm x 29mm
Weight
150g
Casing
Rubber
Boot
as
Standard
Switch Off
Auto Power Off after 10 minutes
Sensors
Temperature Measurement
-20˚C to +80˚C (-5˚F to 175˚F)
Temperature Accuracy
±1% of reading ±0.5°C
±1%
of
reading
±1.0°F
Velocity Measurement
0.4 to 25 m/s
Velocity Accuracy
±2% of reading ±3 digits
Units of Measure
m/s, km/s, ft/min, knots, mile/h
RS232 Output
Holding down "RCL" button will display "MAX, "MIN", "AVG". And then
"RS-232" at the top right of the screen.
This function prints the reading currently being measured in ASCII code.
RS232 cable is needed in order to view the readings on your computer.
3
1. Introduction
Thank you for purchasing TPI brand products. The TPI 555 Vane Air Velocity Meter
is a state of the art, easy to use instrument designed to provide temperature and air
velocity readings. The instrument is ruggedly constructed and comes with a 3 Year
Guarantee.
This manual will guide you through the functions of the TPI 555 which will give
you many years of reliable service.
Your TPI 555 Vane Air Velocity Meter comes complete with the following items as
standard:
TPI 555 Instrument
Rubber Boot
Soft Carrying Case
Batteries
Instruction Manual
Your TPI 555 Digital Humidity Thermometer has the following options available:
Serial Computer Interface RS232