Hioki LR8401-20 - Names and Functions of Parts, Screen  Configurations

1.3 Names and Functions of Parts, Screen Configurations
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1.3 Names and Functions of Parts, Screen 
Configurations
Universal Unit

Use to measure voltage, thermocouple temper-
ature, humidity (with the Hioki Z2000 Humidity
Sensor), resistance, and temperature with resis-
tance temperature detectors (RTDs) (p. 33).
 Input units are installed as
specified upon factory
shipping.
Front Panel
Display Screen (p. 85)
5.7-inch TFT color LCD
Screen Configurations (p. 19)
Operating Keys/LED
(p. 17)
Voltage/Temp Unit

Use to measure voltage, thermocouple
temperature, and humidity (with the Hioki
Z2000 Humidity Sensor) (p. 33).
External Control
Terminals (p. 33)
• Pulse inputs 
(8 channels)
• Alarm outputs 
(4 channels)
• External control
(one each input, out-
put, and ground chan-
nel)
• 12-volt output
• Four alarm channel
LEDs indicate alarm
events (p. 163)
Rear Panel
Battery Compartment (p. 30)
The optional Model Z1000 Battery Pack is installed here.
Serial No.
Shows the serial number.
Do not remove this label, as it is
required for product support.
MAC address
Shows the MAC address.
Do not remove this label, as it is
required for product support.