Hioki Memory HiLogger LR8401-20 Instruction Manual page 247

11.1 LR8400-20, LR8401-20, LR8402-20 Memory HiLogger Specifications
Other Functions
Auto setup function
Inadvertent START/
STOP prevention
Confirmation message Select enable/disable (Default: enabled)
Key-Lock function
Beeper
(3) Inputs
No. of Input Channels
Analog
Pulse/Digital
Analog input
Terminal block
Maximum input volt-
age
Max. inter-channel
voltage
Maximum rated volt-
age to earth
Measurement object Voltage
∗1: LR8500 Voltage/Temp Unit only, ∗2: LR8501 Universal Unit only,
∗3: With both LR8500 Voltage/Temp Unit or LR8501 Universal Unit
Setting configurations can be automatically loaded from removable stor-
age upon power-on.
When setting configurations are stored on both CF card and USB flash
drive, the CF card has priority.
Displays a confirmation message when pressing
Disables key operations
(Hold cursor left and right keys for three second to enable/disable.)
On/Off
30 channels
Up to two measurement input units (LR8500 Voltage/Temp Unit or
LR8501 Universal Unit) can be added (for up to 60 channels).
8 channels (each channel selectable for pulse or digital input)
M3 screw type terminal block (2 terminals per channel) Terminal block
∗1
cover mounting
Push-button terminals (4 terminals per channel) Terminal block cover
∗2
mounting
∗3
DC ±100 V
∗1
250 VDC
∗2
300 VDC (However, RTD and resistance channels are not isolated.)
300 VAC, DC (between each input channel and chassis)
Measurement category II
Anticipated transient overvoltage 2500 V
∗3
Thermocouple (K, J, E, T, N, R, S, B, W)
RTDs (Pt100, JPt100)
(Connection: 3- or 4-wire configuration, Measurement current: 1 mA)
Resistance (Connection: 4-wire configuration, Measurement current: 1 mA)
Humidity (Only with Hioki Z2000 Humidity Sensor)
∗3
∗3
∗3
235
START/STOP keys.
∗3
∗2
∗2
∗3
3
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