![OTC 550 Series Digital Multimeter OTC 550 Series Digital Multimeter](https://cdn11.bigcommerce.com/s-0ea95/images/stencil/300x300/products/70306/97494/693399__62190.1645033225.jpg?c=2)
![OTC 550 Series Digital Multimeter OTC 550 Series Digital Multimeter](https://cdn11.bigcommerce.com/s-0ea95/images/stencil/300x300/products/70306/97494/693399__62190.1645033225.jpg?c=2)
Features powerful automotive test functions (frequency, duty cycle, diode and continuity tests) and automotive specific tests (true RMS, RPM, dwell, pulse width, temperature, backlight, RS232 and min./max.). It's CATIII and compatible with Hybrid vehicle systems.
Specifications:
Frequency: 1Hz ~ 10MHz ± 0.1%
RPM (Direct Test with Leads): 0 - 10,000
RPM (with RPM Pick UP): 0 - 10,000
DWELL Angle: 0 - 360° (1 - 12 CYL)
Duty Cycle: 0.1% ~ 99.9% ± 2.5%
Pulse With-ms (negative): 1 ~ 999ms
Temperature: -50°C to 400°C, -58°F to 752°F
DC Volts: 400mV/4/40/400V ± 0.5%, 1000V ± 0.8%
AC Volts: TRMS - 4/40/400V ± 1.5%, 400mV/750V ± 2%
DC Amps: 400/4000μA ± 2%, 40/400mA ± 1.5%, 4/10A ± 2%
AC Amps: TRMS - 400/4000μA ± 2%, 40/400mA ±2%, 4/10A ± 2.5%
Resistance: 400Ω/4/40/400kΩ ± 1%, 4/40MΩ ± 2%
Capacitance: 40nF/400nF/4μF/40μF ± 3%, 400μF/4000μF ± 20%
Dimensions: 10" × 12.5" × 3.5"
Shipping weight: 2.5 lbs.
Includes RS232 and cable, red and black test leads, alligator clips, RPM pick-up adapter, temp probe adapter, PC cable and software, plus canvas case.