Hioki MEMORY HiLOGGER LR8450 User Manual

400
Application Measurement
11.12 Application Measurement
Recording instrumentation signals (4-20 mA)
This section introduces a method for recording current output (4-20 mA) from instrumentation
devices.
Average values for each minute can also be recorded using numerical calculations.
• Applicable modules: U8550, U8551, U8552, U8553, LR8530, LR8531, LR8532, LR8533
• You will need: an input cable and a 250
Ω
shunt resistor
Instructions
1
Connect the input cable and the 250
Ω
shunt resistor to the channel being measured.
Connect the shunt resistor between the positive and negative input terminals.
See “Connecting voltage cables and thermocouples” in the Quick Start Manual.
2
Connect the input cable to the instrumentation device’s current output (4-20 mA) terminal.
3
On the [Unit] screen, set the data refresh interval to [Auto].
> >
4
4
4
4
4
Congure the settings as follows:
Recording interval 5 s
Recording time Specied time, 1 hour (0 Days 01:00;00)
HIOKI LR8450A964-03
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Hioki MEMORY HiLOGGER LR8450 Specifications

General

Storage Media	SD card (up to 32 GB)
Measurement Types	Voltage, Temperature, Resistance, Strain, Pulse, Logic
Sampling Rate	1 ms to 1 hour
Interface	LAN, USB, SD card slot
Power Supply	100 to 240 V AC, 12 V DC
Resolution	16-bit
Voltage Range	±10 mV