1. Specification
Accuracy：±（0.2%FS+1）digit
power voltage:85-240VAC
display：128×64 dot-matrix LCD display
Input Signal：
T.C：K、S、E、J、T、BT.C
RTD：PT100、CU50、CU100
linear voltage：0-5V、1-5V
linear current：0-10mA、4-20m
other input：R、WRe526、Mv、others
Output Module：
Transmission output
2 channels relay output (Max)
Print or communication port
DC 5V /12v/24v feed
USB interface
Record time:
The four channels: 90 days (record interval time is 1s)
Record interval can be set optionally as 1, 2, 3, 4, 5,6s……
Power-off protection time：
The setting parameters and history record can be kept by FLASH MEMORY, which can be kept forever when the power is off. The recorder can still run accurately when the power is off with using hard clock in recorder.
Environment temperature：0-50℃
Environment humidity:0-85%RH

2.Order Code

Eg.: Order code：KH204B-F-2-U；Basic unit：KH204B，mini blue LCD paperless recorder, Dimension: F (72×72mm) ；two relay alarm output；USB interface ；220VAC power