Wholesale Chinese Professional bench ditital multimeter - ET124X/ET125X Series Digital Benchtop Multimeter – Zhongchuang Supplier and Factory

Chinese Professional bench ditital multimeter - ET124X/ET125X Series Digital Benchtop Multimeter – Zhongchuang

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Chinese Professional bench ditital multimeter - ET124X/ET125X Series Digital Benchtop Multimeter – Zhongchuang Detail:

	Conventional model		ET124X Series Enhanced Model				ET125X Series Enhanced Model
Model	ET1240	ET1255	ET1241A	ET1241B	ET1241C	ET1241D	ET1256A	ET1256B	ET1256C
Reading display	4 ½	5 ½	4 ½	4 ¾	4 4/5	4 5/6	5 ½	5 4/5	5 5/6

¤ Using 3.5 inch TFT LCD display (resolution 320*480), the brightness of the screen can be adjusted.

¤ Language switching between Chinese and English

¤ Two-parameter display can display two parameters of the same input signal (for example, AC voltage value and AC frequency

value can be displayed simultaneously under AC voltage measurement)

¤ Overrange display: 120% of range

¤ The measuring and displaying speed can be adjusted, which can be divided into three kinds: fast, medium and slow.

¤ Measurement of AC/DC Voltage, AC/DC Current and 2/4 Line Resistance

¤ The maximum DC current is 12A and the maximum DC voltage is 1100V.

¤ Periodic and frequency measurements, maximum frequency 20 MHZ

¤ Capacitance measurement, maximum 10 mF

¤ True RMS AC voltage and AC current measurements, bandwidth up to 100 kHz

¤ Provide automatic, external, single trigger three trigger measurement methods

¤ With AC+DC measurement

¤ Optional manual or automatic range

¤ Function of square wave output and duty cycle measurement

¤ Setting function: Language, buzzer, screen brightness, etc. can be set

¤ Twelve Mathematical Functions: MX+B, MAX, MIN, Average, dB, dBm, REL, Hold,%, Limit Comparison, Statistics, Reciprocal

¤ External calibration function to support user self-calibration

¤ Supporting a variety of sensors: 10 thermocouples, 4 thermal resistors

¤ Support for custom sensors

¤ Graphic display: real-time curve, histogram, bar graph, etc.

¤ With reading retention function

¤ Supporting SCPI protocol and providing programming documentation

¤ Data Memory Storage and Reading Function for Easy Viewing of Data Information

¤ Multiple communication modes: RS232, USB Device, GPIB, USB Host, LAN, WIFI, Bluetooth

¤ Built-in temperature sensor for cold-end compensation, support automatic and manual compensation.

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

¤ Display: 3.5 inch TFT LCD screen, resolution 480×320, color 16M;

¤ Operating Temperature: 0~40 ℃;

¤ Storage environment: – 10~50 ℃;

¤ Relative humidity <80%;

¤ Interface: ET124X Standard – USB Device, ET125X Standard – USB Device, RS232, other optional – GPIB, USB Host, LAN, Wifi, Bluetooth;

¤ Shape size: 265 mm * 105 mm * 305 mm (width * height * depth);

¤ Weight: 2.3kg

¤ Three core power cord*1(30A51)

¤ Three core pen*1(32A52)

¤ Backup power fuse*2(32A52)

¤ GPIB cable

¤ Cabinet installation kit

¤ Rs232 serial port line

¤ USB data line

Model		ET1240		ET1255
Display screen		3.5” TFT LCD (resolution of 320*480)
Number of display digits		24000(4 ¹/₂)		240000(5 ¹/₂)
Display rate		Slow: 2 seconds per second; Medium: 5 times per second; Fast: 7 times per second
Function	No.	Uncertainty, ±(% of reading + least significant digit )
DCV	Measuring range	10μV~1000V		1μV~1000V
	Maximum resolution	10μV		1μV
	Uncertainty	±(0.03+ 3)		±(0.01%+3)
DCI	Measuring range	10nA~10A	1nA~10A
	Maximum resolution	10nA	1nA
	Uncertainty	±(0.08%+10)	±(0.05%+10)
ACV	Measuring range	10μV~750V	1μV~750V
	Frequency range	20Hz~100kHz	20Hz~100kHz
	Maximum resolution	10μV	1μV
	Uncertainty	±(0.3%+20)	±(0.2%+100)
ACI	Measuring range	10nA~10A	1nA~10A
	Frequency range	20Hz~10kHz	20Hz~10kHz
	Maximum resolution	10nA	1nA
	Uncertainty	±(0.3%+20)	±(0.2%+100)
Resistance	Measuring range	10mΩ~200MΩ	1mΩ~200MΩ
	Maximum resolution	10mΩ	1mΩ
	Uncertainty	±(0.05%+5)	±(0.015%+3)
Capacitance	Measuring range	1pF~10mF	1pF~10mF
	Maximum resolution	1pF	1pF
	Uncertainty	±(1%+5)	±(1%+5)
Frequency	Measuring range	1Hz~20MHz	1Hz~20MHz
	Maximum resolution	0.001Hz	0.0001Hz
	Uncertainty	±(0.01%+10)	±(0.005%+3)
Other functions
Mathematical functions:		MX+B / MAX / MIN / Average / dB / dBm / Rel / Limits Compare/ Hold / Statistics / % / 1/X
Resistance measurement		Supporting 2-line and 4-line
Communication interface		ET1240: Standard: USB Device; Matching: RS232, USB Host, GPIB, LAN, WIFI, Bluetooth
		ET1255: Standard: USB Device、RS232；Matching: USB Host、GPIB、LAN、WIFI、Bluetooth
On-off measurement		The buzzer sounds when the measured value is below the threshold. Threshold resistance can be set in the range of 0~2kΩ, default is 30Ω
Diode measurement		Measurement range: 0-2V
AC+DC measurement		Support
Trigger mode		Automatic Trigger, Single Trigger, External Trigger (ET1240 is optional)
Duty cycle measurement		5.0%-95.0%(error within 10 words)
Square wave output		Frequency: 1Hz-100kHz, Amplitude: 3V
Limit test		Support
Calibration function		Support
Temperature measurement		Thermocouple: K / N / R / S / T / B / E / J / WRe325 / WRe526; Thermal resistance: PT100 / PT50 / Cu100 / Cu50
Cold end compensation		Built-in temperature sensor to support automatic and manual temperature compensation
Additional functions		Data retention, data storage, data readback

Model		ET1241A	ET1241B	ET1241C	ET1241D
Reading display		24000(4 1/2)	44000(4 3/4)	55000(4 4/5)	66000(4 5/6)
Display rate		Slow: 2 seconds per second; Medium: 5 times per second; Fast: 7 times per second
DCV	Measuring range	10μV~1100V
	Maximum resolution	10μV
	Uncertainty	±(0.02%+3)	±(0.02%+3)	±(0.02%+3)	±(0.02%+3)
DCI	Measuring range	10nA~12A
	Maximum resolution	10nA
	Uncertainty	±(0.08%+3)	±(0.05%+3)	±(0.05%+3)	±(0.05%+3)
ACV	Measuring range	10μV~800V
	Maximum resolution	20Hz~100kHz
	Uncertainty	±(0.2%+20)	±(0.2%+20)	±(0.2%+20)	±(0.2%+20)
ACI	Measuring range	10nA~12A
	Frequency range	20Hz~10kHz
	Maximum resolution	10nA
	Uncertainty	±(0.2%+10)	±(0.2%+10)	±(0.2%+10)	±(0.2%+10)
Resistance	Measuring range	10mΩ~1GΩ
	Maximum resolution	10mΩ
	Uncertainty	±(0.05%+5)	±(0.04%+5)	±(0.03%+5)	±(0.03%+5)
Capacitance	Measuring range	1pF~10mF
	Maximum resolution	1pF
	Uncertainty	±(1%+5)	±(1%+5)	±(1%+5)	±(1%+5)
Frequency	Measuring range	1Hz~20MHz
	Maximum resolution	0.001Hz
	Uncertainty	±(0.01%+3)	±(0.01%+3)	±(0.01%+3)	±(0.01%+3)
Other functions
Mathematical function		MX+B / MAX / MIN / Average / dB / dBm / Rel / Limits Compare/ Hold / Statistics / % / 1/X
Resistance measurement		Supporting 2-line and 4-line
On-off measurement		The buzzer sounds when the measured value is below the threshold. Threshold resistance can be set in the range of 0~2kΩ, default is 30Ω
Diode measurement		Measurement range: 0-2V
AC+DC measurement		Support
Trigger mode		Automatic Trigger, Single Trigger, External Trigger ( optional)
Duty cycle measurement		5.0%-95.0%(error within 10 words)
Square wave output		Frequency: 1Hz-100kHz, Amplitude: 3V
Limit test		Support
Calibration function		Support
Graphic display		Bar/Trend/Histogram
Temperature measurement		Thermocouple：K / N / R / S / T / B / E / J / WRe325 / WRe526；Thermal resistance：PT100 / PT50 / Cu100 / Cu50
Custom sensor		Users can set the corresponding curve by themselves and download it through U disk or USB communication port, which can support up to 20 kinds.
Cold end compensation		Built-in temperature sensor to support automatic and manual temperature compensation
Communication interface		Standard：USB Device；Matching：RS232、USB Host、GPIB、LAN、WIFI、Bluetooth
Additional functions		Data retention, data storage, data readback