Chapter 10 Specifications
172
Trigger output
Open-collector output (with 5 V voltage output, active low)
Pulse width: at least 10 ms
You can choose to enable output at trigger activation only or at both
trigger activation and measurement start.
Trigger input and
output terminals
Push-button terminals
Trigger Section
Alarm Output
Output settings
OR, AND
Output occurs when the logical sum (OR) or product (AND) of
alarm trigger sources is true.
Alarm Types
The following criteria can be specified for each channel.
• Level
: An alarm is output by input rising above or falling below
a preset level
• Window : An alarm is output by input crossing into or out of a win-
dow defined by preset upper and lower trigger levels
Latch setting
Alarm output can be set to be held (latched), or not.
Beeper
On/Off
Alarm output
characteristic
Open-drain output (with 5 V voltage output, active low)
Output refresh
At every recording interval
Miscellaneous
Numerical
calculations
Up to four of seven calculations are available at the same time
Calculations
Average value, peak value, maximum value, time to maximum val-
ue, minimum value, time to minimum value, sum
Calculation time
span
(after mea-
surement stop)
Period between A and B cursors or whole waveform period can be
determined.
Calculation range
(during measure-
ment)
Whole waveform period can be specified.
Split calculation:
Calculation is performed at the specified time interval and the latest
calculation value is displayed.
Select split time from 1 min, 2 min, 5 min, 10 min, 15 min, 20 min,
30 min, 1 h, 2 h, 3 h, 4 h, 6 h, 8 h, 12 h, or 1 day.
Summary of Contents for LR8432-20
Page 1: ...EN LR8432 20 HEAT FLOW LOGGER Instruction Manual Jan 2016 Edition 1 LR8432B980 00 16 01H...
Page 2: ......
Page 22: ...Operating Precautions 14...
Page 50: ...2 5 Zero Adjustment 42...
Page 88: ...3 7 Viewing All Channel Settings in a List 80...
Page 104: ...4 5 About Recording Operation 96...
Page 154: ...7 4 Waveform Calculation Formula 146...
Page 164: ...8 3 Making System Settings 156...
Page 232: ...Appendix 12 Heat Flow A44...
Page 236: ...Index Index 4...
Page 237: ......
Page 238: ......