* 백색 백라이트의 50,000 카운트, 1/4 VGA 큰 디스플레이 화면* 데이터로깅, 트렌드캡쳐: 설계와 공정 성능 측정이나 부재시 시스템 모니터링을 위한 최적의 기능입니다. 200시간 연속으로 10,000개의 측정값을 저장할 수 있으며, 트렌드캡쳐 기능으로 PC없이 로깅된 값의 추이를 그래프로 확인할 수 있습니다.* “ i ” 버튼: 측정기능에 대한 정보를 볼 수 있습니다. * LoZ 기능: 고스트전압에 의한 잘못된 측정을 방지 (289 only) * LPF(Low Pass Filter) 기능: 모터드라이브 신호와 같은 노이즈가 많은 신호를 정확하게 측정 (289 only) * Low ohm 측정: 10mA 전류로 50옴 측정범위, 1밀리옴 분해능 측정 (289 only)* 측정값 저장기능: 저장된 측정값의 이름변경이 가능하며, 현장에서 저장값을 확인할 수 있습니다. * 0.025%, DC정확도 * 100kHz, AC 주파수대역 * True-rms 측정방식 (비선형부하의 정확한 측정) * 100mF 캐패시턴스 측정범위 * 온도측정 * Relative Mode: 테스트리드에 의한 저항성분 제거 * Fast Min/Max: 250us 과도신호의 피크값 검출       * FLUKE-287 Specification Specifications Voltage DC Accuracy 0.025 % Range and Resolution 50.000 mV,500.00 mV, 5.0000 V, 50.000 V, 500.00 V, 1000.0V Voltage AC Accuracy 0.4 %(true-rms) Range and Resolution 50.000 mV,500.00 mV, 5.0000 V, 50.000 V, 500.00 V, 1000.0V Current DC Accuracy 0.06 % Range and Resolution 500.00 μA, 5000.0 μA, 50.000 mA, 400.00 mA, 5.0000 A, 10.000 A Current AC Accuracy 0.61 %(true-rms) Range and Resolution 500.00 μA, 5000.0 μA, 50.000 mA, 400.00 mA, 5.0000 A, 10.000 A Temperature (excluding probe) Accuracy 1.0 % Range and Resolution -200.0 °C to 1350.0 °C (-328.0 °F to 2462.0 °F) Resistance Accuracy 0.05 % Range and Resolution 500.00 Ω, 5.0000 kΩ, 50.000 kΩ, 500.00 kΩ, 5.0000 MΩ, 50.00 MΩ, 500.0 MΩ Resistance 10 50 Ω (2 wire connection) Accuracy 0.15 % + 20 Range and resolution 50.000 Ω Capacitance Accuracy 1.0 % Range and Resolution 1.000 nF,10.00 nF 100.0 nF, 1.000 μF, 10.00 μF, 100.0 μF, 1000 μF, 10.00 mF, 100.00 mF Ω Frequency Accuracy 0.005% + 5 Range and Resolution 99.999 Hz, 999.99 Hz, 9.9999 kHz, 99.999 kHz, 999.99 kHz Additional functions/features Multiple on-screen displays Yes True-rms AC bandwidth 100 kHz DBV/dBm Yes DC mV resolution 1 μV Megohm range Up to 500 M Conductance 50.00nS Continuity beeper Yes Battery/Fuse access Battery / Fuse Peak 250 μS Elapse time clock Yes Time of day clock Yes Min-Max-Avg Yes Frequency Yes Duty Cycle 0.01 % to 99.99 % Pulse Width 0.025 ms, 0.25 ms, 2.5 ms, 1250.0 ms Hold Yes Isolated Optical Interface Yes Auto/Touch Hold Yes Reading memory Yes Log to PC Yes Interval/Event Logging Yes Logging Memory Up to 10,000 readings Resistance Low Ohm 0.001 Ω to 50.000 Ω 10 mA source LoZ Yes Low Pass Filter Yes * FLUKE-289 Specification Specifications Voltage DC Accuracy 0.025 % Range and Resolution 50.000 mV,500.00 mV, 5.0000 V, 50.000 V, 500.00 V, 1000.0V Voltage AC Accuracy 0.4 %(true-rms) Range and Resolution 50.000 mV,500.00 mV, 5.0000 V, 50.000 V, 500.00 V, 1000.0V Current DC Accuracy 0.06 % Range and Resolution 500.00 μA, 5000.0 μA, 50.000 mA, 400.00 mA, 5.0000 A, 10.000 A Current AC Accuracy 0.61 %(true-rms) Range and Resolution 500.00 μA, 5000.0 μA, 50.000 mA, 400.00 mA, 5.0000 A, 10.000 A Temperature (excluding probe) Accuracy 1.0 % Range and Resolution -200.0 °C to 1350.0 °C (-328.0 °F to 2462.0 °F) Resistance Accuracy 0.05 % Range and Resolution 500.00 Ω, 5.0000 kΩ, 50.000 kΩ, 500.00 kΩ, 5.0000 MΩ, 50.00 MΩ, 500.0 MΩ Resistance 10 50 Ω (2 wire connection) Accuracy 0.15 % + 20 Range and resolution 50.000 Ω Capacitance Accuracy 1.0 % Range and Resolution 1.000 nF,10.00 nF 100.0 nF, 1.000 μF, 10.00 μF, 100.0 μF, 1000 μF, 10.00 mF, 100.00 mF Ω Frequency Accuracy 0.005% + 5 Range and Resolution 99.999 Hz, 999.99 Hz, 9.9999 kHz, 99.999 kHz, 999.99 kHz Additional functions/features Multiple on-screen displays Yes True-rms AC bandwidth 100 kHz DBV/dBm Yes DC mV resolution 1 μV Megohm range Up to 500 M Conductance 50.00nS Continuity beeper Yes Battery/Fuse access Battery / Fuse Peak 250 μS Elapse time clock Yes Time of day clock Yes Min-Max-Avg Yes Frequency Yes Duty Cycle 0.01 % to 99.99 % Pulse Width 0.025 ms, 0.25 ms, 2.5 ms, 1250.0 ms Hold Yes Isolated Optical Interface Yes Auto/Touch Hold Yes Reading memory Yes Log to PC Yes Interval/Event Logging Yes Logging Memory Up to 10,000 readings Resistance Low Ohm 0.001 Ω to 50.000 Ω 10 mA source LoZ Yes Low Pass Filter Yes