Metrel MD 9020 Digital-Multimeter, DMM, 20991442 Data Sheet

16 

 
GENERAL SPECIFICATIONS 
 

Display:  

 

 

3-3/4 digits 4000 counts LCD display 

 
Polarity:  

 

 

Automatic 

  
Update Rate:    

 

3 per second nominal 

 
Operating Temperature:  

0

C to 40C 

 
Relative Humidity :  

Maximum relative humidity 80% for temperature up to 31

C decreasing 

linearly to 50% relative humidity at 40

C 

 
Altitude:  

 

 

Operating below 2000m 

 
Pollution degree:  

 

2 

 
Storage Temperature:  

-20

O

C to 60

O

C, < 80% R.H. (with battery removed) 

 
Temperature Coefficient:  

nominal 0.15 x (specified accuracy)/

O

C @(0

O

C -18

O

C or 28

O

C -40

O

C), or 

otherwise specified 

 
Sensing:  

 

 

Average sensing for MD 9020. 

  
Safety:  

The meter (all versions) is protected, against the users, by double 
insulation per UL3111-1(1994), CSA C22.2 No. 1010-1-92, EN61010-
1(1995) and IEC61010-1(1995) to CAT II 1000V & CAT III 600V. 

  V : 

 

Category II 1000 Volts AC & DC, and Category III 600 Volts AC & DC 

  A / mAA : 

Category II 250 Volts ac and 150 Volts dc 

 

  V : 

 

Category II 1000 Volts AC & DC, and Category III 600 Volts AC & DC 

  A / mAA : 

Category III 500 Volts AC and 300 Volts DC 

 
Overload Protections 
 
Standard CE version: 

  A & mA :  

0.5A/250V F Fuse;  

  A: 

 

15A/250V F Fuse;  

  V: 

 

1050Vrms, 1450Vpeak;  

  , & Others 

: 600VDC/VAC rms 

   

  A & mA :  

0.63A/500V, IR200kA, F Fuse 

  A :  

 

12.5A/500V, IR20kA, F Fuse 

  V :  

 

1050Vrms, 1450Vpeak;  

  , & Others:   600VDC/VAC rms 

 
Transient protection:    

6.5kV (1.2/50

s surge) 

 
Power Supply:  

 

1.5V AAA Size (NEDA 24A or IEC LR03) battery X 2 

 
Power Consumption:   

3.2 mA typical