ET3255 5½ Benchtop Digital Multimeter

et3255

I. Main Features

l 5½ digits, 220000 counts.

l Dual parameter display: display two parameters of the same input signal.

l Measurement rate: FAST (7 times / sec), MID (5 times / sec), SLOW (2 times / sec).

l Trigger mode: Automatic trigger, single trigger, external trigger.

l Range switching mode: Auto / Manual.

l 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.

l DCV basic accuracy: 0.015%.

l Mathematical functions: MX+B/MAX/MIN/dB/dBm/Rel/Comp Hi/Comp Low/ Statistics.

l Additional functions: Data hold, data record, data readback.

l keys can be locked.

l Open calibration function.

l Square wave output.

l Provide system settings, can configure the language(Chinese / English), buzzer, screen brightness,

interface display style.

l Temperature: Thermocouple: K/N/R/S/T/B/E/J/WRe325/WRe526; RTD: PT100 / PT50 / Cu100 /

Cu50.

l Communication Interface: Standard: USB Device, RS232; Optional: USB Host, GPIB, LAN, WIFI,

Bluetooth.

l Support SCPI protocol.

II. General Technical Specifications

l Power supply voltage: 220V AC±10%, 110V AC ±10%, 45-65Hz.

l Working environment: 0~40℃, relative humidity < 80%.

l Storage environment: -10~50℃, relative humidity < 80%.

l Dsiplay: 3.5-inch, 320 * 480 resolution, 16 M colour TFT LCD.

l Dimensions: 265 mm * 105 mm * 305 mm.(width * height * depth).

l Weight: 2.3kg.

III. Technical Indicators

Mode	ET3255
Display digits	220000(5½)
Maximum measurement speed	7 times / sec
Function	DC voltage	DC current	AC voltage	AC current
Accuracy	±(0.015%+3)	±(0.05%+10)	±(0.2%+100)	±(0.3%+400)
Range	10uV~1000V	10nA~10A	10uV~750V	10nA~10A
Highest resolution	1uV	1nA	1uV	1nA
	--		40Hz~100kHz	40Hz~10kHz
Function	Resistance	Capacitance	Frequence	Period
Accuracy	±(0.02%+6)	±(2%+5)	±(0.1%+10)	±(0.1%+3)
Range	10mΩ~200MΩ	1pF~10mF	1Hz~20MHz	50ns~500ms
Highest resolution	1mΩ	1pF	0.0001Hz	0.001ns
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	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.
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, RS232; Optional: USB Host, GPIB, LAN, WIFI, Bluetooth.
Additional functions	Data hold, data record, data readback.