General Tools and Instruments CAF4221 User Manual
Page 4
Temp. Sensor Thermister
Data Logger
Max. can save 100 point data with recall.
Manual, push the data logger button
once will save data one time.
Sensor
Cup van probe with low friction ball
Structure
bearing design.
Data Hold
Freeze the display reading.
Memory Recall Maximum & Minimum value.
Sampling Time Approx. 1 second.
Power off
Auto shut off saves battery life or
manual off by push button.
Operating
32 to 122 F 0 to 50 .
℃
Temp. and
Less than 80% R.H.
Humidity
Power Supply DC 1.5 V battery ( UM4/AAA ) x 4 PCs,
Power Current Approx. DC 6.8 mA
Weight
181 g/ 0.4 LB.
@ Battery is included.
Dimension
Main instrument :
190 x 40 x 32 mm (7.5" x 1.6" x 1.3")
Cup vane ( 3 cups with arm ) :
135 mm dia.
Accessories
Instruction manual......................1 PC
Included
Carrying case............................. 1 PC
2-2 Electrical Specifications (23± 5 )
℃
a. Wind speed
Measurement Range
Resolution Accuracy
@ reading
m/S
0.9 - 35.0 m/S
0.1 m/S
± ( 2%+0.2 m/S)
Km/h 2.5 - 126.0 Km/h 0.1 Km/h ± ( 2%+0.8 Km/h)
Knot
1.4 - 68.0 Knots
0.1 Knots ± ( 2%+0.4 Knots)
Ft/min 144 - 6895 Ft/min 1 Ft/min ± ( 2%+40 Ft/min)
Mile/h 1.6 - 78.2 Mile/h 0.1 Mile/h ± ( 2%+0.4 Mile/h)
2