
AG 900 Digit al Angle Gauge
OPERATION MANUAL
APPLICATION:
It is a precise measuring device which enables quick measuring and transferring of
angles. It is mainly i ntended for appl icati ons w hich i nvol v e the definit ion o f the ex act
angles, e.g. for niches and bays, sloping roofs and handrails. With horizontal and
vertical bubble levels, it can also be used as a spirit level.
FEATURES:
1. Easily readable big digit al display shows the exact angle at once.
2. With its horizontal and vertical bubble levels, it can b e used as a spirit level.
3. Its memorial functions for metrical data.
4. Turn of f a utomatically without any operation within 5 minutes.
5. Its cue function for low- power
DESCRIPTIONS:
1. Scale Arm
2. Horizontal Glass Bubble
3. Vert ical Glass Bubble
4. LCD Display:
5. Battery Compartm ent
6. HOLD Button
7. ON/OFF Button
LCD digit height 21mm
OPERATING PROCEDURE:
FUNCTION A: Measure Angles
Turnoff
1. Press ON/OFF button to start to measure;
2. Unfold Scale Arm to measure angles;
3. After measuring, press HOLD button to lock measured data, HOLD icon will display. Data
won’t be changed if continuing to move scale arm. Press HOLD button again to cancel this
function
4. When power off, fold the scale arm, press both ON/OFF button and HOLD button
simultaneously about 1 second to return-to-zero, which can insur e pr ecise measurement..
5. Turn of f a utomatically without any operation within 5 minutes to save power.
6. When low-power icon display in use,
please replace batteries to make sure
precise measurement. (unfold scale arm,
take out screws from battery groove with
screwdriver, install 3pcs 1.5VAAA batteries,
please note its polar ity)
Lock DataReturn-to-Zero Calibration and Automatic

FUNCTION B: Spirit Level and Vertical Level
1Level status measure: put the item horizonta lly on
the measured surface a shown right, the position of
the horizontal bubble is the level status of the
measured surface (If the bubble is in the midpoint of
the glass bubble, the measured surface is even.
Otherwise, it is uneven).
2Vertical status measure: put the item vertically
close to the measured surface as shown right,
the position of the vertical bubble is the vertical
status of the measured surface.
MAINTANCE AND CARE INSTRUCTIONS
* Vibration and shock should be avoided to insure precise m easurement.
* Opening the casings invalidates t he w ar r anty . Do not t r y to repair the unit.
* Clean display with a soft, damp cloth. Do not use solvents or scouring agents, which may
mark the display and casi ngs.
* Do not submerge in water.
* Do not subject the unit to unne cessary heat or cold by placing them in the o ven or freezer.
SPECIFICATIONS
1. Working range ang le: 0°225°(1° Incrimental)
2. Resolution: 0.1°
3. Angel precision: ±0.5°
4. Unit size378mm×52 m m × 23. 7mm weight (battery not included): 350g
5. Battery 3×1.5V AAA
6. Operating temperature0 -50 Storage temp er at ur e-10-60
Accessories :
operation manual 1 piece
Blister Card