Unior 270 A, Manual

2

EN

Operating precautions:

•  the outside and inside of the 

measuring jaws are sharp - handle 

with care

•  keep vernier faces clean. Prevent 

liquid from getting into the slider, as 

it contains electrical components that 

could be damaged.

•  do not use electric engraving pens to 

mark the vernier.

•  avoid scratching the vernier ruler.

•  always be careful when handling the 

digital vernier. Be careful not to bump 

or drop the vernier.

•  do not use the vernier in direct 

sunlight. Avoid storing the vernier in 

extreme temperatures.

•  the vernier body should be cleaned 

with petrol and lubricated with a few 

drops of clock oil. Do not use acetone 

or alcohol.

•  the output end should never come 

into contact with metal, doing so could 

damage its internal electronics.

•  Please use a CR2025 (lithium cell) 

battery. Remove the battery if the 

vernier will not be used for longer 

periods of time.

SPECIFICATIONS:

Resolution: 

0,01mm / 0,0005“

Accuracy: 

0 ≈ 100mm, ± 0,02mm / 0≈4“, ± 0,001“ 

100mm ≈ 200mm, ± 0,03mm / 4≈8“, ± 0,001“ 

200 ≈ 300mm, ± 0,04mm / 8≈12“, ± 0,0015“ 

Repeatability: 

0,01mm / 0,0005“

Maximum measurement speed: 

1,5m/s (60“/s)

Operating temperature: 

0 °C ≈ 40 °C

Power: 

Lithium cell CR2025 3.0V 1 battery

Average battery life: 

continuous use - 1 year

normal use - 3 years

USE:

•  when using the vernier for the first time, 

please wipe off any anti-rust oil with a soft 

cotton cloth; see image on the right for an 

example on how to remove the battery 

non-conducting slice from the vernier.

•  removing the battery non-conducting slice

MEASURING

•  The image below describes the four measuring methods this 

product supports. This includes: external, internal, step and 

depth.

CHANGING THE BATTERY

•  With the correct tool, take out the battery and the battery splint. 

The image below describes how to change the battery. Take 

out the old battery and put in a new CR2025 lithium battery in 

the battery housing. The positive pole of the battery must face 

upwards, as shown in Figure 3 in the image.

1

3

6

2

a

b

d

5

4

c

1

3

6

2

a

b

d

5

4

c