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YET-640/640L/640X High Accuracy Four-Channel Thermometer

YET-640 is with principle of thermocouple temperature measurement, which is an instrument used to measure temperature. This instrument uses cyclic measurement technology, therefore the sample rate can still be 2 times per second while four channels are working simultaneously with low power consumption. Benefit by the internal high precious circuit principle and high precious reference source of the instrument, coupled with accurate factory calibration, the resolution of the instrument can be reached 0.01℃, and the factory accuracy can be reached ±(0.3%|t|+0.40)℃.
Four channels to be measured temperature is supported by YET-640, and temperature graph can be displayed in single channel mode. Point calibration by users is supported by this instrument, and multiple points calibration can greatly improve the measuring accuracy of it (system composed of instrument and probe). This instrument supports the most commonly K, T and J types of thermocouple probes. The compatibility with multiple types of probes expands the application fields of the instrument.
YET-640L adds recording function on the basis of YET-640. YET-640L can record all the data during temperature measurement. The files generated while recording can be viewed directly on this machine or on any device that U disk supported.
YET-640X adds recording function on the basis of YET-640, and it can be used in conjunction with PC software. YET-640X can record all the data while measuring, and user can view the statistics and temperature graph on the machine.
The PC software of YET-640X can monitor the temperature of multiple probes in real time. User can view the data recorded by the instrument on the PC software, and also can export files in a variety of formats.
Availability:
Quantity:

Features:

·  32-bit high-speed low-power MCU

·  Four channels

·  K, T and J type thermocouple supported

·  Resolution up to 0.01℃

·  Factory accuracy ±(0.3%|t|+0.40)℃

·  Accuracy up to ±0.1℃ after point calibration

·  Measuring range -200℃~+1370℃


Specifications:


Model

YET-640

YET-640L

YET-640X

Channel

4

Recording Function

No

Yes

PC Software

No

No

Yes

Probe Type

K, T, J type thermocouple

Unit

℃, ℉

Measuring Range

K Type: -200℃~+1370℃

T Type: -200℃~+400℃

J Type: -200℃~+1200℃

Resolution

0.01℃(-200.00℃~+999.99℃)

0.1℃(+1000.0℃~+1370.0℃)

Accuracy

±(0.3%|t|+0.40)℃

Sample Rate

2 times/second

Calibration

Multi-point calibration

Storage Capacity

No

20000 groups of readings

Sample Interval

No

1~86399 seconds adjustable

File Format

No

txt, csv, xls

Up to PC software

Compatible System

No

Windows XP/Vista/7/8/10

Display

Dot matrix LCD display with backlight

Operation Temperature

-10℃~+50℃(Non-condensing)

Storage Temperature

-20℃~+60℃(Without battery)

Power Supply

3 pcs of 1.5V AAA alkaline batteries

3 pcs of 1.2V AAA rechargeable batteries

5V USB (not recommended)

Battery Life

About 100 hours (Condition: Instrument continues to work, backlight is off, battery capacity is 1200mAh and environment temperature is 25℃)

Protection Class

IP52

Dimension

176*73*40mm

Weight

About 216g (Not including batteries and probes)




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