ET3240 4½ Benchtop Digital Multimeter
ET3240 4½ Benchtop Digital Multimeter Profile
ET3240 is a 4½ digits, 22000 counts, dual digital benchtop true-RMS multimeter.The STM32 chip and external double integral AD used by this benchtop multimeter providing accurate measurement and stable performance. 3.5 inch 320 * 480 high resolution TFT LCD screen makes a clear reading, rich display, and a good visual effects. The benchtop multimeter is powered by electricity and provide full-function, full-range overload protection. Fresh and simple design with excellent performance makes them an ideal choice for electricians, electronics enthusiasts, engineers and colleges and universities.
1. Main features
- 4½ digits, 22000 counts.
- Dual parameter display: display two parameters of the same input signal.
- Measurement rate: FAST (7 times / sec), MID (5 times / sec), SLOW (2 times / sec).
- Trigger mode: Automatic trigger, single trigger, external trigger(optional).
- Range switching mode: Auto / Manual.
- 12 basic measurement functions: AC and DC voltage, AC and DC current, two-wire / four-wire resistance, period / frequency, diode, on-off test, capacitance, duty cycle.
- DCV basic accuracy: 0.05%.
- Mathematical functions: MX+B/MAX/MIN/dB/dBm/Rel/Comp Hi/Comp Low/ Statistics.
- Additional functions: Data hold, data record, data readback.
- keys can be locked.
- Open calibration function.
- Square wave output.(Optional.)
- Provide system settings, can configure the language(Chinese / English), buzzer, screen brightness, interface display style.
- Temperature: Thermocouple: K/N/R/S/T/B/E/J/WRe325/WRe526; RTD: PT100 / PT50 / Cu100 / Cu50.
- Communication Interface: Standard: USB Device; Optional: RS232, USB Host, GPIB, LAN, WIFI, Bluetooth.
- Support SCPI protocol.
2. General technical specifications
Power supply voltage: 220V AC±10%, 110V AC ±10%, 45-65Hz.Working environment: 0~40℃, relative humidity < 80%.
Storage environment: -10~50℃, relative humidity < 80%.
Dsiplay: 3.5-inch, 320 * 480 resolution, 16 M colour TFT LCD.
Dimensions: 265 mm * 105 mm * 305 mm.(width * height * depth).
Weight: 2.3kg.
3. Technical indicators
Mode | ET3240 | |||
Display digits | 22000(4½) | |||
Maximum measurement speed | 7 times / sec | |||
Function | DC voltage | DC current | AC voltage | AC current |
Accuracy | ±(0.05%+3) | ±(0.35%+10) | ±(0.8%+80) | ±(0.8%+80) |
Range | 10uV~1000V | 10nA~10A | 10uV~750V | 10nA~10A |
Highest resolution | 10uV | 10nA | 10uV | 10nA |
-- | 40Hz~100kHz | 40Hz~10kHz | ||
Function | Resistance | Capacitance | Frequence | Period |
Accuracy | ±(0.1%+6) | ±(3.5%+30) | ±(0.2%+10) | ±(0.2%+10) |
Range | 10mΩ~200MΩ | 1pF~10mF | 1Hz~20MHz | 50ns~500ms |
Highest resolution | 10mΩ | 1pF | 0.001Hz | 0.01ns |
Others | ||||
Mathematical functions | MX+B/MAX/MIN/dB/dBm/Rel/Comp Hi/Comp Low/Hold/Statistics | |||
Resistance measurement | Support 2-wire, 4-wire in two ways. | |||
Continuity test | When the resistance is less than 30 ohms, the buzzer sounds. | |||
Diode test | Measurable range: 0~2V | |||
AC+DC measurement | Support. | |||
Trigger mode | Standard: automatic trigger, single trigger; Optional: external trigger. | |||
Duty cycle measurement | 5.0%~95.0%. (the error is within 10 words.) | |||
Square wave output | Frequence: 1Hz~100kHz, amplitude: 3V.(Optional.) | |||
Limit test | Support. | |||
Calibration | Support. | |||
Temperature | Thermocouple: K/N/R/S/T/B/E/J/WRe325/WRe526; RTD: PT100/PT50/Cu100/ Cu50. | |||
Communication Interface | Standard: USB Device; Optional: USB Host, RS232, GPIB, LAN, WIFI, Bluetooth. | |||
Additional functions | Data hold, data record, data readback. |
4. Parts List
Standard accessories:- A pair of 30A52 type proes
- A 30A51 type three-core power cord.
- Two 32A52 type backup power supply fuses.
- One user manual.
- 32P04 type RS232 serial cable.
- 32P05 type USB cable。
- 32P01 type GPIB cable。
- 32P02 type Cabinet installation kit.