Specifications; Lr8400-20, Lr8401-20; Lr8402-20 Memory Hilogger Specifications - Hioki Memory HiLogger LR8401-20 Instruction Manual

11.1 LR8400-20, LR8401-20, LR8402-20 Memory HiLogger Specifications

Specifications

Models LR8400-20, LR8401-20, and LR8402-20 are distinguished by the input units
installed at the factory.
Model
LR8400-20
LR8401-20
LR8402-20
11.1 LR8400-20, LR8401-20, LR8402-20 Memory
HiLogger Specifications
(1) General Specifications
Basic Specifications
Product warranty
period
Period of guaranteed
accuracy
Internal memory
Clock functions
Clock accuracy
Timebase accuracy
Backup battery life
Operating environment Indoors, Pollution degree 2, up to 2000 m (6562-ft.) ASL
Operating temperature
and humidity
Conditions of
guaranteed accuracy
Temperature and
humidity range for
guaranteed accuracy
Storage temperature
and humidity
Dielectric strength
Dimensions
UNIT1
Voltage/Temp Unit
Universal Unit
Universal Unit
3 year
1 year
8 MWords volatile RAM (SDRAM)
Auto calendar, auto leap year judgment, 24-hour timer
°
±3 s/day (@23 C)
±0.2 s/day while measuring (@23°C, 73.4°F)
Approx. five years for clock and settings (@23°C, 73.4°F)
0 to 40°C (32 to 104°F), 80% RH or less (non-condensating)
(temperature variation range is 10 to 40°C (50 to 104°F))
After 30 minutes warm-up, specified after zero-adjustment
The 50/60 Hz cut-off setting is selected (see the Cut-Off Frequency Table)
Temperature 23±5°C (73±9°F), Humidity 80% RH or less
(non-condensating)
Temperature -10 to 60°C (14 to 140°F), Humidity 80% RH or less
(non-condensating)
3.0 kVAC for 1 minute (between each input channel and chassis)
350 VAC for 15 seconds (between input channels)
Approx. 272W × 182.4H × 66.5D mm (10.71"W × 7.18"H × 2.62"D) (with-
out projections)
Approx. 272W × 234.8H × 66.5D mm (10.71"W × 9.24"H × 2.62"D) (with
two input units, without projections)
Chapter 11
UNIT2
Voltage/Temp Unit
Universal Unit
Voltage/Temp Unit
227
3
11