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Hioki LR8450 User Manual

Hioki LR8450
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8.2 Conguring Alarm Output (ALARM)
This section describes how to set the voltage level for the signal that is output when an alarm
condition is satised.
For more information about alarms, see “4 Alarm (Alarm Output)” (p. 171).
> >
1
1
1
Under [Alarm output 1] to [Alarm output 8], select the voltage level you wish to output when
outputting an alarm.
Low
Outputs the alarm at low level (0 V to 0.5 V).
High Outputs the alarm at high level (4.0 V to 5.0 V).
Alarm output terminal specications
Output type Open-drain output (with 5 V voltage output)
Output voltage High level: 4.0 to 5.0 V; low level: 0 to 0.5 V
Switchable between high and low level output
Output
response time
When using the plug-in modules:
(Recording interval or data refresh interval, whichever is longer) × 2 + 1 ms
+ (analog response time)*
When using the wireless modules (LR8450-01 only):
(Recording interval or data refresh interval, whichever is longer) × 2
+ (wireless response time)*
2
+ (analog response time)*
1
*1: Varies with lter setting (U8554: 5 ms, with 120 Hz low-pass lter)
*2:
Depending on the number of connected modules (3 s when one wireless module is
connected).
Maximum
switching
capacity
5 V to 30 V DC, 200 mA
Output pulse
width
10 ms or greater
External Control (EXT. I/O)
HIOKI LR8450A964-03
www.GlobalTestSupply.com
Find Quality Products Online at: sales@GlobalTestSupply.com

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Hioki LR8450 Specifications

General IconGeneral
ModelLR8450
CategoryData Loggers
Dimensions330 mm (12.99 in) W × 221 mm (8.70 in) H × 120 mm (4.72 in) D
WeightApprox. 2.8 kg (excluding battery)
Operating Temperature0 to 40 °C (32 to 104 °F), 80% RH or less (no condensation)
Sampling Rate1 ms to 1 hr
MemoryInternal memory
InterfaceUSB, Ethernet
Power SupplyAC adapter or battery
Measurement RangeVaries with module
AccuracyVaries with module
Storage MediaSD card
Memory CapacityInternal memory
Input TypeVoltage, temperature
Temperature MeasurementVaries with module
Communication InterfaceUSB, Ethernet
Measurement ChannelsUp to 120 channels (with optional input modules)

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