Functions

Range

Range

Model numbers

UT390B+

UT391+

UT391A+

UT393+

Accuracy:

+-2mm

+-2mm

Measuring range:

40m

60m

80m

100m

Measuring units:

M/in/ft.

M/in/ft.

Continual measurement:

Yes

Yes

Area & Volume measurement:

Yes

Yes

Pythagoras theory measure:

Yes

Yes

Add/Subtract function:

Yes

Yes

Area & Volume Add/Subtract function:

Yes

Yes

Length Add/Subtract accumulation:

Yes

Yes

Area Add/Subtract accumulation:

Yes

Yes

Volume Add/Subtract accumulation:

Yes

Yes

Max. & Min. value measure:

Yes

Yes

Sampling measurement:

Yes

Delay measurement:

Yes

Prolong tail-board:

Yes

Automatic calibration:

Yes

Yes

Laser level:

Level II

Level II

Laser type:

620-680nm，<1mw

635nm，<1mw

Data storage:

30 groups

100 groups

Battery for measurement:

8000 times

8000 times

Auto shut-down laser:

20S

20S

Auto power-off:

150S

150S

Sound prompt:

Yes

Yes

Battery indication:

Yes

Yes

Storage temp.:

-20C- 60C

-20C- 60C

Operating temp.:

0C- 40C

0C- 40C

Storage temp.:

R.H. 85%

R.H. 85%

Spirit level:

Yes

Yes

General:

Power supply:

AAA 1.5V x 2 (NOT INCLUDED)

Color:

Red + grey

Size:

UT390B+， UT391+: 112mm x 50mm x 25mm
UT391A+， UT393+: 123mm x 55mm x 28mm

Accessories:

Bag， PDF manual， sling. (Only UT393+ comes with reflector board)