CM400-NIST

CM400 & CM450 400A AC and AC/DC True RMS Clamp Meters True RMS provides better accuracy when measuring non-sinusoidal or noisy waveforms Features: • Captures the instantaneous surge (inrush) current when power equipment is turned on • 1.2” (30mm) clamp jaw • Low Pass Filter (LPF) for filtering frequency and harmonic interference when measuring variable frequency drives • Peak voltage measurement with Min/Max • Built-in Non-Contact Voltage Detector with LED • Data Hold freezes the display • Relative Mode for making comparisons to a stored reference value • Auto power off with disable • Built-in flashlight • Includes test leads, Type K thermocouple bead probe, 3 AAA batteries and carrying case • 1-year warranty Model CM400: • Measures 400A True RMS AC Current Model CM450: • Measures 400A True RMS AC and DC Current • DC Zero function CM400 CM450 √ √ 4000 count 4000 count 400A 400A ±2.5% ±2.5% — 400A AC/DC Voltage 1000V 1000V Resistance 40MΩ 40MΩ Temperature -4 to 1832°F (-20 to 1000°C) -4 to 1832°F (-20 to 1000°C) Capacitance 100mF 100mF True RMS Applications: Display counts Typically when using a multimeter to measure current, you would have to “break the circuit” and place the meter in series with it, so that voltage and current would pass through it. A clamp meter allows you to easily measure current without breaking the circuit by clamping around a single conductor. This saves time and the circuit will not be damaged. AC Current ACA Accuracy DC Current Frequency 100kHz 100kHz Duty Cycle 20.0 to 80.0% 20.0 to 80.0% Continuity 90V Inrush Current 100ms 100ms CAT III-600V CAT III-600V Safety Category Ordering Information: CM400 CM400-NIST CM450 CM450-NIST Dimensions Weight 400A AC True RMS Clamp Meter CM400 with Certificate of Traceability to NIST 400A AC/DC True RMS Clamp Meter CM450 with Certificate of Traceability to NIST 8.8 x 3 x 1.6” (223.8 x 76.5 x 39.4mm) 8.8 x 3 x 1.6” (223.8 x 76.5 x 39.4mm) 9.5oz (268.3g) 9.8oz (277.4g) CAT III 600V 850 Perimeter Road • Manchester, NH • (603) 669-6400 • info@triplett.com