특징 (Features)
(GDM-451/356/350A) * 4 1/2 Digits 19999 counts (GDM-451) * 3 1/2 Digits 1999 counts (GDM-356/350A) * Manual Ranging * Continuity Beeper/Diode Test * Data Hold * Temperature Measurement * Capacitance, Frequency Measurement (Except GDM-350A) (GDM-394/396/395) * 3999 Counts Auto/Manual Ranging * Slim Pocket Digital Multimeter (GDM-395) * Capacitance, Frequency Measurement * Continuity Beeper/Diode Test * High Energy Fuse for 10A Range (GDM-394/396) * Data Hold/Relative Mode * True RMS/RS232C (Only GDM-396) |
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상세설명
(Description)
GW instek브랜드의 GDM-300/400시리즈 핸드헬드 멀티미터는 배터리 구동으로 사용이 가능하며 고정밀도를 자랑하는 서비스 엔지니어들이 많이 찾는 DMM입니다. 모든 핸드헬드 타입의 DMM의 사이즈는 작고 가벼워서 휴대하여 테스트 또는 측정을 할수 있는 특징을 갖고 있습니다. 벤치탑멀티미터 기능에 전현 손색이 없는 GDM-300/400시리즈는 퓨즈보호 전류 입력,정확한 AC측정을 위한 실효치 측정, 오토 레인징,듀티사이틀,relative모드 등 기능이 기본적으로 들어가고 배터리 수명을 유지해주는 자동 전원 off기능과 백라이트디스플레이, 로터리 선택기,누르는 버튼 및 야외 사용을 위한 온도 측정등 다양한 조작키는 사용자에게 편의성을 제공하였습니다.
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사양
(Specification)
DC VOLTAGE | |
Range | 200mV, 2V, 20V, 200V, 1000V(GDM-451/356);400mV, 4V, 40V, 400V, 1000V(GDM-394/396) 400mV, 4V, 40V, 400V, 600V (GDM-395);200mV, 2V, 20V, 200V, 500V (GDM-350A) |
Best Accuracy | ±(0.05%rdg + 3digits) for GDM-451 ±(0.8%rdg + 1digit) for GDM-394/396 ±(0.5%rdg + 1digit) for GDM-356 ±(0.7%rdg + 3digits) for GDM-395 ±(0.5%rdg + 2digits) for GDM-350A |
Input Impedance | 10MΩ |
AC VOLTAGE (40Hz ~ 400Hz) | |
Range | 2V, 20V, 200V, 750V (GDM-451/356) ; 4V, 40V, 400V, 750V (GDM-394/396) 4V, 40V, 400V, 600V (GDM-395) ; 200V, 500V(GDM-350A) |
Best Accuracy | ±(0.5%rdg + 10 digits) for GDM-451 ±(1%rdg + 5 digits) for GDM-394/396 ±(0.8%rdg + 3 digits) for GDM-356 ±(2.3%rdg + 5 digits) for GDM-395 ±(1.2%rdg + 10 digits) for GDM-350A |
Input Impedance | 10MΩ (5M for GDM-350A )(2MΩ for GDM-451) |
DC CURRENT | |
Range | 2mA, 20mA, 200mA, 20A (GDM-451);400uA,4mA,40mA,400mA,4A,10A(GDM-394/396) 200uA, 2mA, 20mA, 200mA, 10A (GDM-350A);20mA, 200mA, 20A (GDM-356) |
Best Accuracy | ±(0.5%rdg + 5 digits) for GDM-451 ±(1%rdg + 2 digits) for GDM-394/396/350A ±(0.8%rdg + 1 digit) for GDM-356 |
AC CURRENT (50Hz ~ 400Hz) | |
Range | 20mA, 200mA, 20A(GDM-451/356);400uA,4mA,40mA,400mA,4A,10A(GDM-394/396) |
Best Accuracy | ±(0.8%rdg + 10 digits) for GDM-451 ±(1.5%rdg + 5 digits) for GDM-394/396 (1%rdg + 3 digits) for GDM-356 |
RESISTANCE | |
Range | 7 ranges200Ω ~ 200MΩ 7 ranges (GDM-451/356) 200Ω , 2kΩ , 20kΩ , 200kΩ , 20MΩ 5 ranges (GDM-350A) 400Ω ~ 40MΩ 6 ranges (GDM-394/395/396) |
Best Accuracy | ±(0.3%rdg + 1 digit) for GDM-451 ±(1%rdg + 2 digits) for GDM-394/396 ±(2%rdg + 5 digits) for GDM-395 ±(0.8%rdg + 1 digit) for GDM-356 ±(0.8%rdg + 2 digits) for GDM-350A |
CONTINUITY BEEPER | |
Buzzer sounds if conductance less than 70Ω | |
DIODE TEST | |
Open Circuit Voltage | GDM-394/395/396 : 1.48V (Approx.) GDM-356/451/350A : 2.85V (Approx.) |
CAPACITANCE | |
Range | 2nF, 20nF, 2μF, 20μF (GDM-451) 20nF, 200nF, 2μF, 100μF (GDM-356) 40nF,400nF,4μF,40μF,100μF(GDM-394/395/396) |
Best Accuracy | ±(3%rdg + 40 digits) for GDM-451 ±(3%rdg + 5 digits) for GDM-394/396 ±(5%rdg +10 digits) for GDM-395 ±(4%rdg + 3 digits) for GDM-356 |
FREQUENCY | |
Range | 1Hz~20kHz (GDM-451/356) 10Hz ~ 10MHz (GDM-394/396) 1Hz~99.9kHz (GDM-395) |
Best Accuracy | ±(1.5%rdg + 5 digits) for GDM-451/356 ±(0.1%rdg + 3digits) for GDM-394/396 ±(0.7%rdg + 3digits) for GDM-395 |
TEMPERATURE(℃) | |
Range | -40℃~1000℃ |
Best Accuracy | ±1%+30 (GDM-451); ±1%+3 (GDM-396/356/350A) |
SPECIAL FUNCTION | |
Duty cycle, Auto Ranging (GDM-394/396) True RMS, RS-232C (GDM-396) | |
LCD DISPLAY | |
4 1/2 digits (GDM-451), 3999 counts (GDM-394/395/396), 3 1/2 digits (GDM-356/350A ) | |
POWER SOURCE | |
Single 9V battery (6F22), Cell Battery for GDM-395(CR2032) | |
DIMENSIONS & WEIGHT | |
85(W) x 177(H) x 40(D) mm , Approx.330g (GDM-394/396) |
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