The Extech EX840A is a versatile clamp meter featuring a digital infrared thermometer and CAT IV 600 V safety rating. This multi-purpose tester provides 6000 count display for accurate voltage, current, and frequency measurements. It's ideal for electricians and technicians in need of a reliable tool for various electrical diagnostics.
| Type |
Clamp meter |
| A AC reading range (min.) |
0.1A |
| A DC reading range (max.) |
1000A |
| Amperage reading range AC (max.) |
1000A |
| Amperage reading range DC (min.) |
0.1A |
| Calibrated to |
Manufacturer's standards (no certificate) |
| Current reading |
AC/DC |
| Dim |
(L x W x H) 50 x 110 x 270 mm |
| Display |
Digital |
| Display (counts) |
6000 |
| Displays |
4000 counts |
| Frequency Range |
50 - 60Hz |
| Frequency reading range |
0 -4000 kHz |
| Height |
270mm |
| Length |
50mm |
| Measurement type (details) |
True RMS |
| Misc Attribute |
Extech EX840A |
| Opening range of current clamps |
43mm |
| Power supply (details) |
9 V battery pack |
| Reading category |
CAT IV 600 V |
| Reading range - capacity |
0 - 40mF |
| Reading range - resistance |
0 - 40MΩ |
| Resolution |
0.1A |
| Temperature |
Infrared -50 to +270 |
| Temperature reading range (max.) |
+760°C |
| Temperature reading range (min.) |
-20°C |
| V AC reading range (max.) |
1000V |
| V AC reading range (min.) |
0.1mV |
| Voltage DC reading range (max.) |
1000V |
| Voltage metering |
AC/DC |
| Voltage reading range DC (min.) |
0.1mV |
| Weight |
396g |
| Width |
110mm |
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