Hioki LR8450 User Manual

411
Data Handling During Communications Disruption
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Disruption Connection
Instrument
Wireless module
Triggers
If communications are disrupted, the instrument cannot acquire data from wireless modules. In that
case, the instrument will not check whether the trigger conditions are satised for the channels of
such modules.
After the communications recover, the system will recover data and check whether the trigger
conditions are satised.
Data points acquired after the point when the stop trigger condition was satised will be regarded
as NO DATA.
The pre-trigger function will be disabled for data recovered after communications recovered.
Example: stop trigger (slope: [↑], trigger condition: [AND])
Module 1
Module 2
Start trigger
1
1
2
2
3
3
4
4
Stop trigger
Data acquired after the stop trigger is regarded as
the NO DATA points.
Data acquired before the start trigger is not saved.
Module 1
ConnectionDisruption
Module 2
Start trigger [↑], [OR]
Stop trigger [↓], [AND]
Stop trigger [↓], [AND]
Stop trigger
Start trigger
Start trigger [↑], [OR]
Stop trigger [↓], [AND]
Stop trigger [↓], [AND]
Data in the instrument
Data in the module.
Knowledge and Information
HIOKI LR8450A964-03
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Hioki LR8450 Specifications

General

Model	LR8450
Category	Data Loggers
Dimensions	330 mm (12.99 in) W × 221 mm (8.70 in) H × 120 mm (4.72 in) D
Weight	Approx. 2.8 kg (excluding battery)
Operating Temperature	0 to 40 °C (32 to 104 °F), 80% RH or less (no condensation)
Sampling Rate	1 ms to 1 hr
Memory	Internal memory
Interface	USB, Ethernet
Power Supply	AC adapter or battery
Measurement Range	Varies with module
Accuracy	Varies with module
Storage Media	SD card
Memory Capacity	Internal memory
Input Type	Voltage, temperature
Temperature Measurement	Varies with module
Communication Interface	USB, Ethernet
Measurement Channels	Up to 120 channels (with optional input modules)