Current Output; Computer Interface - Tenmars TM-187A User Manual

5.6 Current output

LED position
Top row
Current output formula
{[Displayed test value-lower test limit] ÷ (upper test
limit-lower test limit)] x 16} +4
Example 1: Displayed temperature test value is 25℃,
upper temperature test limit is 70℃, lower temperature
test limit-20℃, the result when set into the formula is
12mA.
Example 2: Displayed humidity test value is 33%RH,
upper temperature
temperature test limit is 0%RH, the result when set into
the formula is 9.28mA

5.7 Computer interface

LED position
Top row
TM-185A TM-187A
Description
Output selection (default
temperature)
test limit is
Description
Interface selection (Default
USB)
7
100%RH, lower