5
1.5 Working Conditions
Working temperature
：
-10
℃～＋
50
℃
;
Storage temperature
：
-30
℃～＋
60
℃
;
Relative humidity: ≤90
％
;
The surrounding environment should avoid of vibration, strong magnetic field, corrosive medium and
heavy dust.
1.6 Safety Instructions
The instrument can only work with the specially designed battery pack and power adapter (charger)
supplied by Mitech Co. LTD. Working with others may result in damage of the instrument, battery
leakage, fire or even explosion.
Do not cast the battery pack into fire and do not short circuit, disassemble or heat the battery pack,
otherwise battery leakage, fire or even explosion may occur.
Do not open the cover of the paper compartment or come into contact with the heating head of the
printer by hand or any part of your body to avoid burns due to high temperature when the printer is
printing.
2 Structure Feature &Testing Principle
2.1 Structure Feature
2.1.1 The Hardness Tester Appearance
1. Main unit
2. Impact device
CNT
MAT
PRT
DIR
STR
SCALE
FEED
MH310
Hardness Tester
2
M iT e c h
1
