HE700/800 series multi-channel thermometerDetailed product description：

Characteristics of HE700/800 series multi-channel thermometer

(1) Supports 8 different types of thermocouple probes, including K, J, E, T, R, S, N, and B.
(2) 4 channels T1/T2/T3/T4 temperature are displayed independently at the same time.
(3) The temperature alarm threshold value for each channel can be independently set.
(4) Can maintain the display of the maximum and minimum values of 4 channels.
(5) Manual memory and reading function (88 sets).
(6) Large capacity storage, capable of storing 36000 sets of data.
(7) The input isolation protection voltage between any two channels is 350Vp-p.
(8) USB interface, easy to download and record data at high speed.
(9) Professional Tespro data analysis software, equipped with a small database, powerful data analysis capabilities, and a user-friendly interface.

model	HE701	HE702	HE704	HE801	HE802	HE804
Number of temperature measurement channels	one	two	four	one	two	four
sensor type	K. 8 types of thermocouples including J, E, T, R, S, N, B, etc
Automatically record capacity (group)	---	---	---	36 thousand	36 thousand	36 thousand
Manually record capacity (group)	eighty-eight	eighty-eight	eighty-eight	eighty-eight	eighty-eight	eighty-eight

temperature coefficient	0.01% reading+0.1 ℃ per ℃ (0.2 ℉ per ℉) exceeds specification+18 ℃ to 28 ℃ range
Isolation between any two channels Input protection voltage	350Vp-p
Sampling rate	The fastest time is once per second, and it can be set from 1 to 240 seconds
Operating and storage conditions	0℃ ~ 50℃ < 80%RH ; -10℃ ~ 60℃ <70%RH
power supply	1 9V carbon or alkaline battery or AC converter
battery life	About 100 hours
size	187 (length) x 73 (width) x 53 (height) mm
weight	About 320 g (including battery)
Standard Accessories	Instruction manual x 1, battery x 1, USB cable x 1, software CD x 1, portable case x 1, K-type thermocouple (1 meter x 1)
optional	Triangular frame, thermocouple (customized according to needs)

thermocouple	℃		℉
	scope	accuracy	scope	accuracy
K	-200 ~ -100 -100 ~ 1370	±2.0℃ ±0.05% ±1.0℃	-328 ~ -148 -148 ~ 2498	±3.6℉ ±0.05% ±1.8℉
J	-200 ~ -100 -100 ~ 100 100 ~ 1000	±2.5℃ ±1.5℃ ±0.05% ±1.0℃	-328 ~ -148 -148 ~ 212 212 ~ 1832	±4.5℉ ±2.7℉ ±0.05% ±1.8℉
E	-150 ~ -100 -100 ~ 760	±2.0℃ ±0.05% ±1.0℃	-238 ~ -148 -148 ~ 1400	±3.6℉ ±0.05% ±1.8℉
T	-200 ~ -100 -100 ~ 400	±1.5℃ ±0.1% ±0.5℃	-328 ~ -148 -148 ~ 752	±2.7℉ ±0.1% ±0.9℉
R/S	0 ~ 100 100 ~ 300 300 ~ 1600	±5.0℃ ±3.0℃ ±0.05% ±2.0℃	32 ~212 212 ~572 572 ~ 2912	±9.0℉ ±5.4℉ ±0.05% ±3.6℉
N	0 ~ 1300	±0.1% ±1.0℃	32 ~ 2372	±0.1% ±1.8℉
B	600 ~ 1820	±0.05% ±2.0℃	1112 ~ 3308	±0.05% ±3.6℉

HE700/800 series multi-channel thermometer