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Beijing Yingyehua Technology Co., LTD
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Beijing Yingyehua Technology Co., LTD

Consultation Hotline 17710831251

Beijing Yingyehua Technology Co., LTD

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  • GDM-8351 Dual disy digital electric meter
    GDM-8351 Dual disy digital electric meter GDM-8351 Dual disy digital electric meter GDM-8351 Dual disy digital electric meter

    GDM-8351 Dual disy digital electric meter

    Model:GDM-8351

    Brand:固纬Gwinstek

    Introduction:Cushman Electronics has introduced a new 5 1/2 dual disy digital meter, the GDM-8351, to rece the previous model of the same class, the GDM-8251A. The new meter also uses a VFD dual disy with a maximum disy of 120,000 digits,0.02percent basic accuracy of DC voltage and a USB/RS232C communication interface, providing users with accurate measurement functions, clear numerical observation and easy access to a personal computer.

    • 120,000 digits,VFD disy

    • Dual measurement/dual disy

    • Dc voltage (DCV) basic accuracy: 0.012percent

    • Measurement speeds are optional, up to 320 reads/second

    • True RMS(AC,AC DC) measurement

    • Automatic/manual shift is optional

    • 11 measuring functions: AC-DC voltage, AC-DC current, 2-wire / 4-wire resistance, short-circuit buzzer, diode measurement, capacitance, frequency, temperature

    • Various auxiliary measurement functions: Max./Min., REL/REL

    • Digital I/O offers dual modes (standard compare and user defined modes)

    • Standard port RS-232C and USB device(supports USBCDC and USBTMC modes)

    Specifications

    Dc voltage
    Gear position Resolution Full scale Accuracy (1 year,23˚C ± 5˚C) Input resistance
    100mV 0.001mV 120 0.012%+8 10.0 MΩ±2% or >10GΩ
    1V 0.00001V 1.2 0.012%+5 10.0 MΩ±2% or >10GΩ
    10V 0.0001V 12 0.012%+5 11.1MΩ±2%
    100V 0.001V 120 0.012%+5 10.1MΩ±2%
    1000V 0.01mV 1020 0.012%+5 10.0MΩ±2%

    Ac voltage (AC coupling/ACV DCV[3])
    Gear position Resolution Full scale Accuracy (1 year,23˚C ± 5˚C)[1] [2]
    20-45Hz 45-10kHz 10k-30kHz 30k-100kHz
    100mV 0.001mV 120 1.0%+100 0.3%+100 1.5%+300 5.0%+300
    1V 0.00001V 1.2 1.0%+100 0.2%+100 1.0%+100 3.0%+200
    10V 0.0001V 12 1.0%+100 0.2%+100 1.0%+100 3.0%+200
    100V 0.001V 120 1.0%+100 0.2%+100 1.0%+100 3.0%+200
    750V 0.01V 765 1.0%+100 0.2%+100 1.0%+100 3.0%+200
    [1]Specifications适用于输入大于文件位5%以上之正弦波
    [2] In fast mode, input voltage frequency > 200Hz.
    [3]ACV+DCV的准确度,等于ACVSpecifications加上10位数

    Direct current
    Gear position Resolution Full scale Accuracy (1 year,23˚C ± 5˚C) ShuntResistance Burden电压
    10mA 0.0001mA 12 0.05%+15 1Ω <0.15V
    100mA 0.001mA 120 0.05%+5 1Ω <1.5V
    1:00 AM 0.00001A 1.2 0.2%+5 0.1Ω <0.8V
    10:00 AM 0.0001A 12 0.2%+5 0.01Ω <0.6V

    Ac current (AC coupling/ACI DCI[3])
    Gear position Resolution Full scale Accuracy (1 year,23˚C ± 5˚C)[1] Burden电压
    20-45Hz 45-2kHz 2k-10kHz
    10mA 0.0001mA 12 1.5%+100 0.5%+100 2.0%+200 <0.15V
    100mA 0.001mA 120 1.5%+100 0.5%+100 2.0%+200 <1.5V
    1A 0.00001A 1.2 1.5%+100 0.5%+100 2.0%+200[2] <0.8V
    10A 0.0001A 12 1.5%+100 1.0%+100 x <0.6V
    [1]Specifications适用于输入大于文件位5%以上之正弦波
    [2] Input current is 5k ~ 10kHz < 220mArms
    [3] ACI+DCI的准确度,等于ACISpecifications加上10位数

    Resistance
    Resistance Resolution Full scale Test the current Accuracy [1] [2](1 year,23˚C ± 5˚C)
    100Ω 0.001Ω 120 1mA 0.05%+8
    1kΩ 0.00001kΩ 1.2 1mA 0.05%+5
    10kΩ 0.0001kΩ 12 100µA 0.05%+5
    100kΩ 0.001kΩ 120 10µA 0.05%+5
    1MΩ 0.00001MΩ 1.2 1µA 0.05%+5
    10MΩ 0.0001MΩ 12 0.5µA 0.3%+5
    100MΩ 0.001MΩ 120 0.5µA //10MΩ 3.0%+8
    [1] When 2-wire measurement is used, if REL function is not used, 0.2Ω error -- is added
    [2]当量测Resistance大于500kΩ以上,请改用具隔离之测试线,以消除可能经由标准测线导致的噪声干扰

    Diode
    Gear position Resolution Full scale Test the current Accuracy (1 year,23˚C ± 5˚C)
    6V 0.0001V 5.9999V 1mA 0.012%+5[1]
    [1] Increase the speed error digits: Med -- 50 digits,Fast -- 200 digits

    Short circuit buzzer
    Gear position Resolution Full scale Test the current Accuracy (1 year,23˚C ± 5˚C)
    1000.00Ω 0.01mΩ 1200 1mA±2% 0.1%+8[1]
    [1] Increase speed error bits: Med -- 60 digits,Fast -- 200 digits

    Capacitance
    Gear position Resolution Full scale Test the current Accuracy (1 year,23˚C ± 5˚C)[1]
    10nF[2] 0.01nF 12 10µA 2.0%+10
    100nF 0.1nF 120 10µA 2.0%+4
    1µF 0.001µF 1.2 100µA 2.0%+4
    10µF 0.01µF 12 1mA 2.0%+4
    100µF 0.1µF 120 1mA 2.0%+4
    [1]Specifications适用于大于10%文件位输入之薄膜Capacitance
    [2]使用REL功能,来补偿测试线的杂散Capacitance

    Frequency

    Measuring range [1][2]

    Accuracy (1 year,23˚C ± 5˚C)

    10Hz ~ 1MHz

    0.01%+3
    [1] Rate in Slow > 10Hz, rate in Med > 20Hz, rate in Fast > 200Hz
    [2] Minimum input sensitivity, please see the table below
    Voltage measurement sensitivity minimum sensitivity (sine wave RMS) Minimum sensitivity of current flow measurement (sine wave RMS)
    Gear position 10~100kHz 100k~1MHz Gear position 20~10kHz
    100mV 40mV 300mV 10mA~10A ≥5%电流档位
    1V ≥5percent voltage file bit 1V
    10V~750V ≥5percent voltage file bit ≥5percent voltage file bit

    Temperature
    Sensor Form Measuring range Resolution Accuracy (1 year,23˚C ± 5˚C)
    (-200 ~ 0°C) (0 ~ +300°C)
    Thermocouple line J -200 ~ +300°C 0.01°C 0.4 °C 0.2 °C
    K
    T

    一般Specifications
    Specifications状态 Temperature: 23˚C±5˚C湿度: <80%RH, 75%RH针对高于10MΩResistance量测.
    Operation status Temperature: 0°C ~ 50°C,·0°C ~ 35°C,相对湿度<90%RH,·>35°C,相对湿度<80%RH
    Storage status Temperature:−40°C ~ 70°C,·0°C ~ 35°C,相对湿度<90%RH,·>35°C,相对湿度<80%RH
    Use the power supply AC 100/120/220/240V ±10percent, 50–60Hz; Power consumption Max. 15VA
    Size and weight 265(W) x 107(H) x 302(L) mm, about 2.9kg (without accessories)


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