Lutron CM-9940 Digital AC/DC Clamp Meter 600 A 600 V

The Lutron CM-9940 is a compact, versatile digital clamp multimeter designed for measuring AC/DC current, voltage, resistance, and frequency with high accuracy. This lightweight instrument features automatic range switching, diode and continuity testing, and data hold functionality. Its 4-digit LCD display offers clear readings, with a maximum of 6000 counts. The multimeter also includes overload protection and splash protection for added durability in rugged environments.

Key Features:

• Measurement Capabilities:
  • AC/DC Voltage: 400 mV (DC only), 4 V, 40 V, 400 V, 600 V
  • AC/DC Current: 400 A, 600 A
  • Resistance: 400 Ω to 40 MΩ
  • Frequency: 5 Hz to 100 kHz
• Compact Clamp Design:
  • Maximum Conductor Diameter: 30 mm
• Display:
  • 4-digit LCD display, 6000 counts
• Automatic Range Switching: Ensures ease of use without manual adjustments
• Data Hold Function: Allows you to freeze the current reading on the display
• Diode and Continuity Testing: Facilitates quick troubleshooting
• Overload Protection: Provides safety across all measurement ranges
• Splash Protection: Front panel protected against water splashes
• Power Supply:
  • 2 x 1.5V batteries (included)
• Lightweight and Portable:
  • Weight: 230 g

Measurement Ranges:

• Voltage (AC/DC):
  • 400 mV (DC only), 4 V, 40 V, 400 V, 600 V
• Current (AC/DC):
  • 400 A, 600 A
• Resistance (R):
  • 400 Ω, 4 kΩ, 40 kΩ, 400 kΩ, 4 MΩ, 40 MΩ
• Frequency (F):
  • 5 Hz, 50 Hz, 500 Hz, 5 kHz, 50 kHz, 100 kHz