Extech Instruments MO290-NISTL User Manual Download Page 3

MO290-en-GB_V3.6   4/15 

Safety 

 

Use extreme caution when the laser pointer beam is on 

 

Do not point the beam toward anyone's eye or allow the beam 

to strike the eye from a reflective surface 

 

Do not use the laser near explosive gases or in other potentially 

explosive areas 

Cautions 

  This device is not a toy and must not reach children’s hands. It contains hazardous objects as well 

as small parts that the children could swallow. In case a child swallows any of them, please 
contact a physician immediately 

  Do not leave the battery and packing material lying around unattended; they can be dangerous for 

children if they use them as toys 

  In case the device is going to be unused for an extended period of time, remove the battery to 

prevent them from draining 

  Expired or damaged batteries can cause cauterization on contact with the skin. Always, therefore, 

use suitable hand gloves in such cases 

  See that the battery is not short-circuited. Do not throw the battery into a fire. 

Battery Replacement 

 
1. 

Turn off the meter. 

2. 

Remove one Philips head screw and lift off the rear battery cover. 

3. 

Replace the 9V battery. 

4. 

Secure the rear battery cover. 

 

Never

 

dispose

 

of

 

used

 

batteries

 

or

 

rechargeable

 

batteries

 

in

 

household

 

waste.

 

As

 

consumers,

 

users

 

are

 

legally

 

required

 

to

 

take

 

used

 

batteries

 

to

 

appropriate

 

collection

 

sites,

 

the

 

retail

 

store

 

where

 

the

 

batteries

 

were

 

purchased,

 

or

 

wherever

 

batteries

 

are

 

sold.

 

Disposal:

 

Do

 

not

 

dispose

 

of

 

this

 

instrument

 

in

 

household

 

waste.

 

The

 

user

 

is

 

obligated

 

to

 

take

 

end

of

life

 

devices

 

to

 

a

 

designated

 

collection

 

point

 

for

 

the

 

disposal

 

of

 

electrical

 

and

 

electronic

 

equipment.

  

 

Other

 

Battery

 

Safety

 

Reminders

 

o

 

Never

 

dispose

 

of

 

batteries

 

in

 

a

 

fire.

 

Batteries

 

may

 

explode

 

or

 

leak.

 

o

 

Never

 

mix

 

battery

 

types.

 

Always

 

install

 

new

 

batteries

 

of

 

the

 

same

 

type.

 

 

 

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