Digital Multimeter |
DC Voltage Measurement |
Range | Resolution | Accuracy | Remarks |
80mV | 1µV | ±(0.3% +10d) | Input impedance:- 80mV~800mV>1000MΩ
- 8V~000V10MΩ
|
800mV | 10µV |
8V | 0.1mV | ±(0.05% +10d) |
80V | 1mV |
800V | 10mV | ±(0.8% +10d) |
800V | 0.1V |
True RMS of AC voltage |
Range | Resolution | Accuracy |
<80% Range:50Hz~20kHz | >80% Range:50Hz~20kHz |
80mV | 1μV | ±(1.0% +50d) | ±(5.0% +50d) |
800mV | 10μV | ±(1.0% +50d) | ±(5.0% +50d) |
8V | 0.1mV | ±(1.0% +50d) | ±(5.0% +50d) |
80V | 1m | ±(1.0% +50d) | ±(5.0% +50d) |
750V | 10mV | 50Hz~1kHz: 90% Range:±(3.0% +50) |
DC Current |
Range | Resolution | Accuracy | Remarks |
80mA | 1µA | ±(0.5%+10d) | Fuse: F 250V 1A(800mA range)Voltage drop: ≤800mVMax. input current: 20A less than 15s) |
800mA | 10µA |
8A | 0.1mA | ±(0.8% +10d) |
20A | 1mA | ±(1.5% +10d) |
True RMS of AC Current |
Range | Resolution | Accuracy | Remarks |
80mA | 1µA | ±(1.0% +20d | Fuses : F 250V 1A S 250V 15AVoltage drop: ≤800mVSensitivity : mA range is 50Hz~5kHzA range is 50Hz~400HzMax. Input Current: 20A(up to 15 seconds) |
800mA | 10µA |
8A | 0.1mA | ±(1.5% +20d) |
20A | 1mA | ±(2.0% +20) |
- Resistor |
Range | Resolution | Accuracy | Remarks |
800Ω | 0.01Ω | ±(0.2% +10d) | Overload protection250Vrms |
8kΩ | 0.1Ω | ±(0.2% +5d) |
80kΩ | 1Ω |
800kΩ | 10Ω |
8MΩ | 100Ω | ±(0.3% rdg+10d) |
80MΩ | 1kΩ | ≤40MΩ±(1.5 % +10) > 40MΩ ±(3.0% +10) |
- Frequency |
Range | Resolution | Accuracy | Remarks |
999.99Hz | 0.01Hz | ±(0.1% +5d) | Overload protection: 250VrmsSensitivity: ≥200mVpp |
9.9999kHz | 0.1Hz |
99.99kHz | 1Hz |
999.99kHz | 10Hz |
6.0000MHz | 100Hz |
- Capacitor |
Range | Resolution | Accuracy | Remark |
1nF | 1pF | ±(5.0% +50d) | Overload protection: 250Vrms |
10nF | 10pF |
100nF | 100 |
F |
1µF | 1n |
10µF | 10nF |
100µF | 100nF |
- Temperature |
Temperature | Resolution | Accuracy | Remark |
-50°C~ 1372°C | 0.1°C | <0°C or 32°F: ±(10% +5°), | K Thermocouple Type |
≥0°C or 32°F & ≤1000°C or 1832°F: |
-58°F~ 2502°F | 0.1°F | > 100°C or 1832°F: ±(3.0% +20°) |
- Diode |
Functio | Range | Accuracy / Resolution | Remarks |
Diode | 3.0000V | ±(3.0% +5d) / 0.0001V | Diode positive voltage drop; overload protection: 250Vrms |
- dBm |
Function | Range | Accuracy | Resolution |
dBm | 80.00dBm~ +80.00dBm | ±1.0% | 0.01dBm |
Square wave output | |
JULout | Description |
Voltage Amplitude | 3V approx. |
Frequency | 0.5Hz/1.0Hz/2.0Hz/10Hz/50Hz/60.24Hz/74.63Hz100Hz/151.5Hz/200Hz/303Hz/606.6Hz / 1250H/1666Hz/2500Hz/5000Hz |
Duty cycle | 1%~99% |
RS232 Communication for DMM |
It has function of RS232 communication which can make user record and save measured data conveniently. |
The user should setup RS232 software disc to PC and connect to PC with RS232 cables. |
DDS Function Generator |
Waveform characteristics |
Waveform type | Sine, Triangle, Square |
Sine harmonious wave distortion(1Vpp, 50Ω) | <20kHz: -50dBc / 20kHz~1 MHz: -40dBc / 1 MHz~10»: -35dBc |
Sine wave distortion | <1%(0.1Hz~100kHz) |
Square wave Rise/Fall time | <50n (1MHz», 50Ω, output voltage 5Vpp) |
Square overshot: | <5% |
Square duty variable range | 15%~85%(<10kHz) |
Waveform asymmetry | <1.5 % + 20ns of period(<100kHz) |
Triangle linearity | <1% (<100kHz) |
Frequency characteristics |
Frequency range | Sine wave | 0.1 Hz~10MHz |
Square wave | 0.1Hzz~2MHz (100mVpp~10Vpp,50Ω) |
2MHz~5MHz (100mVpp~2Vpp,50Ω) |
Other waveform | 0.1 Hz~1MHz (TTL : 100KHz) |
Frequency accuracy | ±(5*10-5+80mHz) |
Frequency stability | ±50ppm(Long Term) |
Max. resolution | 0.01Hz |
Amplitude Characteristics |
Output amplitude range | 100mVpp~20Vpp(High Impedance) |
Amplitude flatness | ±10% |
Output impedance | 50Ω±10%/600Ω±10% |
Overshot Characteristic |
DC offset range(Vpp AC + DC) | ±10V(High Impedance) / ±5V(50Ω) |
Sweep Frequency Characteristics |
Type | Linearityor Log |
Sweep frequency | Negative or positive |
Sweep range | 1 Hz~10Mhz |
Sweep frequencyvelocity | 0.01Hz~100Hz |
Attenuation |
Attenuation | 20dB / - Error: ±5%(±0.5dB)(open) |
External amplitude |
Input impedance | 1kΩ |
Ext amplitude freq range (Inner impedance 50Ω of modulation source) : 0.1 Hz~20kHz |
Amplitude sensitivity | 0~5Vpp±5% |
Amplitude depth | 0~100% |
TTL Output: |
Output amplitude | Low level ≤0.3V/high level 2:3.3V |
Output impedance | 50Ω±10% |
Frequency Counter |
Freq measurement range | CHA 1Hz~110MHz / CHB: 110MHz~2.7GHz |
Input sensitivty | CHA: 40mVrms or 100mVpp(1Hz~80MHz), 70mVrms or 200mVpp (80MM~110MHz) |
CHB: 40mVrms(110MHz~2.0GHz), 70mVrms(2.0GHz~2.7GHz) |
Measurement accuracy | ±1x10-7/s ± time base error ± trigger error |
Time base | 10MHz, <±5x10-6(5ppm) |
Max. Input voltage | CHA 35Vpp, CHB: 3Vpp |
Input impedance | CHA 1MΩ, CHB: 50Ω |
Resolution | (±1x10-7/s) measured signal frequency]/ Strobe time |
DC Power Supply |
CH1 output (output port) |
Output voltage | 0~30V |
Output current | 0~3A |
Ripple and noise | ≤3mVrms |
Load effect | 0.1% + 30mV |
Source effect | 0.1% + 15mV |
Max. output current | 3.1A |
Display accuracy | Voltage: ±1% +2digit, Current: ±2% +2digit |
CH2 output (output port) |
Output voltage | ±15Vfixed |
Output current | 1A |
Ripple and noise | ≤3mVrms |
Load effect | 0.1 % + 50mV |
Source effect | 0.1% + 30mV |
Max. output current | 1.1A |
CH3 output (output port) |
Output voltage | + 5Vfix±3% |
Ripple and noise | 2A |
Output current | ≤3mVrms |
Load effect | 0.1% + 70mV |
Source effect | 0.1% + 60mV |
Max. output current | 21.1A |