Meter: multifunction; digital; EXTECH

Meter: multifunction; digital; EXTECH, MA440, MA440-NIST, MA443, MA443-NIST, MA445, MA445-NIST |EN|
Type of metermultifunction
DisplayLCD
Illuminationyes
Display parameters(4000)
Max. diameter of measured cable30mm
Sampling3x/s
Resistance tofall from 1m height
Conform to the normCAT III 600V
EN 61010
Body dimensions228x77x41mm
Battery/ rechargeable batterybattery LR03 AAA 1,5V x3
Frequency measuring accuracy±(0.1%+4 digit)
Capacitance measuring accuracy±(4%+ 5 digit)
AC voltage measuring accuracy±(1.2% + 5 digit)
DC voltage measuring accuracy±(0.8% + 1 digit)
Resistance measuring accuracy±(1%+2 digit)
Symbol MA440 MA443 MA445
V DC range [V]
- 400m/4/40/400/600 x x x
V AC range [V]
- 4/40/400/600 x x x
I DC range [A]
- 40/400     x
I AC range* [A]
- 4 x    
- 40/400 x x x
R range [Ω]
- 400/4k/40k/400k/4M/40M x x x
C range [F]
- 40n/400n/4µ/40µ/400µ/4m/40m   x x
- 50n/500n/5µ/50µ/100µ x    
f range [MHz]
- 10...1 x x x
Temp. range [°C]
- -40...1000   x x
Continuity test [Ω]
- <30 x x x
Continuity test
- acoustic indication x x x
Diode test [V] 1.5 3 3
True RMS measurement
- True RMS   x x
Duty cycle [%] 0.1...99.9 0.1...99.9 0.1...99.9
Pollution degree 2 2 2
Additional functions
- torch   x x
* 1) indirect measurement
Measuring instrument features:
  • automatic power-off
  • contactless voltage detector (MA440)
  • HOLD function (MA440)
  • MIN/MAX function (MA443, MA445)
  • low battery indicator
  • operates with thermocouple types: K (MA443, MA445)
Standard equipment:
  • case
  • test leads
  • drop-like K-type probe (MA443, MA445)
Symbol Kind of meter Product description AC current measuring accuracy DC current measuring accuracy Temperature measurement accuracy
MA440 digital, AC pincers type Meter:multifunction;digital,AC pincers type;LCD;(4000) ±(1.8% + 9 digit) - -
MA443 digital, AC pincers type Meter:multifunction;digital,AC pincers type;LCD;(4000) ±(2.5% + 5 digit) - ±(1% + 3 digit)
MA445 digital, AC/DC pincers type Meter:multifunction;digital,AC/DC pincers type;Øcable:30mm ±(2.5% + 5 digit) ±(2% + 3 digit) ±(1% + 3 digit)