มัลติมิเตอร์แบบดิจิตอล สำหรับงานช่างยนต์

JTC-1228A PROFESSIONAL AUTOMOTIVE METER

• • Auto ranging, power off (30 minutes), and with black light.
• • Safety input jacks, test leads, and overload protections.
• • Diode and continuity test.
• • Data, and max/min hold.
• • 6600 counts, bar-graph, Dual display
• • RPM: 600 ~ 6600, 6600 ~ 12000 ±2%
• • Ms Pulse width: 0.1 ms ~ 10ms ± 2%
• • Dwell Angle: 4,5,6,8 Cylinders ± 2%
• • DCV: 660mV, 6.6V, 66V, 660V, 1000V ±0.5%
• • ACV: 660mV, 6.6V, 66V, 660V, 750V ±1.5% (50-500Hz)
• • Duty Cycle: 5% – 95% >100μs, <100ms ±2.0%
• • Temperature: -20°C ~ 1000°C, -4°F ~1832°F ± 1%
• • Resolution: 1RPM, 0.1mV, 0.1 μA, 0.1Ω, 1 pF, 0.01Hz, 0.1°C, 0.1°F
• • Safety: IEC/EN61010-1, CAT IV 600V, CAT III 1000V, CE approved