Mastech MS8269 User Manual

1. Overview
This digital multimeter is designed and manufactured in
conformity with the safety requirements of International
electrotechnical safety standard IEC － 1010 (61010-1@IEC:
2001) for electronic measuring instruments and portable
digital multimeters.
This product meets the requirements of 600V CAT. Ⅲ, 1000V
CAT. Ⅱ , and contamination level 2 of IEC － 1010 . Please
carefully read the instruction manual and pay attention to
related safe operation regulations before using this product.
For the internationally-accepted symbols used in related
instruments and instruction manuals, please refer to
instructions in Section 1.1.3.
1.1 Safety Information
1.1.1 Safety Instructions
* Measurement Category (CAT. ) Ⅲ Ⅲ is measurements
conducted on equipments in buildings.
Attention: for example, measurements conducted on
switchboard, circuit protector, wiring including cables, bus,
junction box, switches, output terminals on a socket in fixed
equipments, on equipments for industrial purposes, and on
other equipments (such as fixed motors permanently
connected with fixed equipments).
* Measurement Category (CAT. ) is the measurements Ⅱ Ⅱ
conducted on circuits directly connected to low-voltage
equipments.
Attention: for example, measurements conducted on home
appliances, portable instruments, and similar equipments.
* Measurement Category Ⅰ （ CAT. Ⅰ ） is measurements
conducted on circuits which are not directly connected to
the bus.
Attention: for example, measurements conducted on
circuits not directly connected to the bus and on certain
(internally) protective branch circuits of the bus. (for the
latter, the instant overload is varying, therefore, the instant
anti-overload capacity of the equipment should be clearly
labeled.)
* When using this meter, the user shall comply with all
standard safety regulations related with the following two
aspects:
―Safety regulations on avoiding electric shock
―Safety regulations on avoiding operating instruments
wrongly
1
* To ensure your safety, please use the test tips supplied with
the meter. Check them and make sure that they are in good
condition before using.
1.1.2 Safe operation habits
* If the meter is used nearby equipments with significant
electromagnetic interference, the readings from the
meter would become unstable, and even significant error
might occur.
* In case the exterior of the meter or the test tip is broken,
please do not use them.
* If the instructions of meter operation in the manual are not
followed, the safety functions provided by the meter might
not be effective.
* Be extremely careful when working nearby naked

Mastech MS8269 Specifications

General

Brand	Mastech
Model	MS8269
Category	Multimeter
Language	English