Meter Description - Extech Instruments 451181 User Manual

Meter Description

1. Sensor plug
2. LCD Display
3. F1 through F4 softkeys
4. Keypad
5. Printer paper and paper
compartment
6. AC Adapter jack
7. RS-232c TTL output
jack
8. Vane air velocity sensor
9. Temperature and
humidity sensor
housing (must be
opened before use)
The battery compartment is
located on the back of the
instrument. There are two (2)
tripod mounts; one on the rear
of the meter and one on the
rear of the vane handle.
F1
Alphanumeric
Keypad
Up / Down
Arrow keys
Press to turn meter ON or OFF
AC Adapter
1
2
3
4
5
F2 F3 F4
ON / OFF
Line
Feed
Paper
Compartment
RS-232 Interface
Function
Soft-keys
Display
Backlight
Printer
Paper Feed
Keypad
2
9
8
7
6
Display
Sensor jack
Model 451181 Version 2.3 04/06