









Flexible current clamp up to 3000 A / Rogowski coil with 170 mm (6.7 in) diameter / Inrush function / Frequency measurement / LC display
The flexible current clamp PCE-CM 40 is suitable for current measurements up to 3000 A AC. In addition to TRMS current measurement, the flexible current clamp can be used to measure inrush currents. The measurement of the current takes place via a flexible Rogowski coil. This means that the electrical conductor around which the flexible current clamp is placed induces a voltage in the ammeter. This voltage is proportional to the current flow through the electrical conductor. This makes it possible to measure very high currents with the flexible current clamp almost without risk. In addition to the current measurement, the flexible current clamp is able to measure frequencies in the range of 50 ... 400 Hz.
The PCE-CM 40 flexible current clamp is used to measure the AC current in machines, systems and electrical installations. Due to the flexible Rogowski coil, which has a diameter of 170 mm, the clamp can be used wherever conventional space clamps can not be used. The measured value of the alternating current is displayed on the illuminated LCD. Furthermore, the measured values can be stored in a memory that can be read out via the Bluetooth interface.
Features:
- Up to 3000 A AC
- LC display
- Inrush function
- Frequency measurement
- Easy handling
- Data storage
Includes:
- 1 x Digital multimeter PCE-CM 40
- 1 x Display device
- 1 x Rogowski coil
- 2 x 1.5V AAA batteries
- 1 x User manual
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| AC 50 ... 400 Hz TRMS | ||
| Measuring range | Resolution | Accuracy |
| 30 A AC | 0.01A | ± (3% of measured value + 8 digits) |
| 300 A AC | 0.1 A | ± (3% of measured value + 5 digits) |
| 3000 A AC | 1 A | ± (3% of measured value + 5 digits) |
| General technical specifications | ||
| Display | 3000 digit LCD with backlight | |
| Loop diameter | About 170 x 5 mm / 6.7 x 0.2 in | |
| Operating conditions | 5 ... 40°C / 41 ... 104°F, max. 80% RH not condensing | |
| Storage conditions | -20 ... 60°C / -4 ... 140°F, max. 80% RH not condensing | |
| Operating altitude | Max. 2000 m | |
| Power supply | 2 x 1.5V AAA battery | |
| Automatic shutdown | After about 15 minutes | |
| Security conditions | EN61010-1, EN61010-2-032, EN61326-1 | |
| Overvoltage category | CAT III, 1000 V; CAT IV, 600V | |
| Pollution degree | 2 | |
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