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Multimeter Overview

Multimeters
Insulation measurement METRAHIT 27I, ISO, T-COM PLUS
Milliohmmeter METRAHIT 27M
to reach the product page click the type numbers

  Features  Multimeters                       Insulation  mOhm  
Type METRAHIT / METRAport    AM BASE AM PRO AM TECH AM XTRA PM TECH PM XTRA PM PRIME Outdoor Energy EU PRO 40S 2+ WORLD ISO, COIL1 T-COM+ 27I 27H&E 27M 27EX
Voltage 0,1 μV... 600 V DC             1 μV ...   x                    
  10 μV .. 1000 V DC, AC
10 μV  ... 600 V DC
 1 mV ... 600 V AC
x
 
 
x
 
 
x
 
 
x
 
 
x x   x
 
 
x  
x
 
 
x
x
             
   10 μV ... 600 V AC             x   1 μV ...   x                
  100 μV ..600 V DC, AC
30 mV ... 600 V DC
    3 V ... 600 V AC
                        ...1000V ...1000V x  
3V..
3V..
 
3V..
3V..
 
3V..
3V..
 
Accuracy
at V DC
Intrinsic error ±% of 
Meas. value + .. counts
0,05
+3D
0,05
+3D
0,05
+3D
0,05
+3D
0,05
+3D
0,05
+3D
0,02
+5D
0,05
+3D
0,02
+15D
0,05
+3D
0,2
+3D
0,5
+3D
0,5
+3D
0,15
+2D
0,5
+1D
0,1
+5D
0,1
+5D
0,1
+5D
 
  TRMS, crest factor max.5 AC,
AC+DC
AC,
AC+DC
AC,
AC+DC
AC,
AC+DC
    AC,
AC+DC
AC,
AC+DC
AC,
AC+DC
  AC AC AC AC,
AC+DC
AC,
AC+DC
- - -  
Current 100pA ... 120 mA DC
   1nA ... 120 mA AC
1 nA ... 10 (16) A DC, AC
            -
-
x
                       
  10 nA ... 10 A DC, AC
1 μA ... 10 A DC, ..16A AC
300μA  ... 1 A DC, AC
0,1 mA .. 10 A DC, AC
0,1 μA ... 10 (16) A DC
Zange
-
 
 
 
x
 
 x
x
-
 
 x
x
 
  x
-
10μA...
 
 
 
 
x
x
-
 
x(AC)
 
x
 
x(AC)
 
 
x
100nA...
-
100nA...
 
x
Zange
-
Zange
-
Zange
-
 
  TRMS, Crest-Faktor max.5 AC,
AC+DC
AC,
AC+DC
AC,
AC+DC
AC,
AC+DC
AC,
AC+DC
AC,
AC+DC
AC,
AC+DC
AC,
AC+DC
AC,
AC+DC
AC,
AC+DC
AC - - AC,
AC+DC
AC,
AC+DC
- -    
Resistance 0,1mOhm ... 12 M Ohm
0,1mOhm ... 30 Ohm (4-wire)
                              -
x
-
x
-
x
-
0,01mΩ..
  0,01 Ohm ... 40 M Ohm x x x x ...60MΩ ...60MΩ 30mΩ.. x x ...60MΩ x x x ..30MΩ ..30MΩ 300Ω... 300Ω... ..30MΩ 300Ω...
Insulation Meas.                                        
@ 500/1000 V
@ 100 V
@50/100/250/500V
1 kOhm ... 3,1 G Ohm
1 kOhm ... 0,31 G Ohm
10 kOhm ... 3 G Ohm 
                          x
 
x
 
300k-
3MΩ


x


x
   
    AM BASE AM PRO AM TECH AM XTRA PM TECH PM XTRA PM PRIME Outdoor Energy EU PRO 40S 2+ WORLD  ISO, COIL1 T-COM 27I 27H&E 27M 27EX
Capacity 10 pF ...1000 μF
30 nF ... 30 μF
30 nF ...   3 μF
    x x ...600μF ...600μF 1p...
...3mF
x ... μF   ..300μF - 40n...
..400μF
 ...300μF ..300μF        
Temperature -200..+850°C Pt100/Pt1000
Thermo couple Type
 
K
 
K
 
K
x
K
 
K
 x
K
x
K
x
K
 x
J,K
 
K
x
K
 
K
 
K
x
 K
x
-
..600
-
..600
-
..600
-
 
Frequency Meas 300 Hz ... 100 kHz                       - 100Hz..   ...300kHz ..3kHz ..3kHz ..3kHz  
  0,01 Hz ... 100 kHz
0,001 Hz .. 1 MHz
x x x  
x
..300kHz  
x
 
x
 
x
 ..1MHz ..300kHz  ..1MHz - - ...300kHz        
Level Voltage Level Meas.         x x x   x x   - -     - - -  
Digital Display Digits ± 12,000 12,000 12,000 12,000 60,000 60,000 310,000 12,000 60,000 60,000 31,000 6,000 6,000 31,000 3,100 31,000 31,000 31,000 31,000
Analog Display ± 35 scale divisions x x x x x x 3-fold x 3-fold x x x x x x        
Functions Continuity / Diode testing x x x x x x x x x x x x x x x x x x x
Measurement
 value storage
DATA, 
MIN / MAX
x
x
x
x
x
x
x
x
x
x
x
x
-
x
x
x
x
x
x
x
x
x
-
x
-
x
x
x
x
x
x
x
x
x
x
x
x
x
  Infrared interface       x x x x x x x   - x x x x x x x
  Memory (kB) for
xx Meas.values
      512
15400
   2048
61600
 2048
300000
512
15400
 2048
300000
        512
15400
512
15400
32
1000
32
1000
32
1000
32
1000
  Quartz Clock       x     x x x         x x x x x x
  Type approval China             x                        
  Type approval Russia x x x x x x   x   x   x   x x x     x
  VDE-GS (CE for all)  x x x x       x                      
  DAkkS Calibration certificate x x x x x x x x x x x x x x x x x x x
Measuring Category CAT ... @ 600, 1000 V
CAT ... @ 300 V
IV, III IV, III IV, III IV, III IV, III IV, III II, -
III
IV, III III, -
IV
II,-  -
II
III,- III,- III, II
 
II, -
III
II, - II, - II, -  
Protection Type   IP52 IP52 IP52 IP52 IP52 IP52 IP42 IP65 IP52 IP52 IP42 IP40 IP40 IP54 IP52 IP54 IP54 IP54 IP54
Weight incl. batteries approx. (g) 395 395 395 395 395 395 400 395 400 395 450 350 350 395 395 350 350 350 380
Dimensions WxHxD: 89x199x43 mm
WxHxD: 84x195x35 mm
x x x x x x
x
x x x    
x
 
x
x x
x

x

x

x
Special Features               Blue 
tooth
  P,W,PQ                   Ex II 2 G
Ex ia IIA T4
 Type   AM BASE AM PRO AM TECH AM XTRA PM TECH PM XTRA PM PRIME Outdoor Energy EU PRO 40S 2+ WORLD  ISO, COIL1 T-COM 27I 27H&E 27M 27EX

 
1) METRAHIT COIL with interturn short-circuit detection within the range of 10 μH bis 50 mH

Counts vs. digits
3 3/4 = ±     3,100 digits
3 6/7 = ±     6,000 digits
4 1/2 = ±   12,000 digits
4 3/4 = ±   31,000 digits
4 6/7 = ±   60,000 digits
5 3/4 = ± 310,000 digits