Hioki LR8450, Instruction Manual

Page: 268 / 310

265
Plug-in Module Specifications
U8554 Strain Unit
1. General specifications
Compatible logger LR8450/LR8450-01 Memory HiLogger
Operating
environment
Indoors, Pollution Degree 2, altitude up to 2000 m (6562 ft.)
Operating temperature
and humidity range
−10°C to 50°C (14°F to 122°F), 80% RH or less (non-condensing)
Storage temperature
and humidity range
−20°C to 60°C (−4°F to 140°F), 80% RH or less (non-condensing)
Standards Safety: EN 61010
EMC: EN 61326, Class A
Vibration resistance JIS D 1601:1995 5.3 (1)
Class 1: Passenger vehicles; conditions: Class A equivalent
(4 h along X-axis and 2 h along Y- and Z-axes at a vibration acceleration of 45 m/s
2
[4.6 G])
Dimensions Approx. 134W × 70H × 63D mm (5.28″W × 2.76″H × 2.48″D) (including cover)
Mass Approx. 236 g (8.3 oz.)
Product warranty
period
3 years
Accessories Instruction Manual
Installation screws × 2
Connection confirmation label
2. Input, output, and measurement specifications
-1. Basic specifications
Number of input
channels
5 (Set voltage or strain for each channel.)
Input terminals Push-button type terminal block (5 terminals per channel), outfitted with terminal block
cover
Set DIP switches according to measurement target.
Measurement target
Voltage
Strain
Strain gage-type converter
Strain gage
1-gage method (2-wire setup), 1-gage method (3-wire setup),
2-gage method (adjacent sides), 4-gage method
Adaptive gage
resistance
1-gage method, 2-gage method: 120
Ω
(external bridge box required for 350
Ω
)
4-gage method: 120
Ω
to 1 k
Ω
Gage factor Fixed to 2.0
Bridge voltage 2 V ±0.05 V DC
Balance adjustment Method Electronic auto-balancing
Range Voltage: ±20 mV or less (1 mV f.s. to 20 mV f.s. range),
±200 mV or less (50 mV f.s. to 200 mV f.s. range)
Strain: ±20,000 μ
ε
or less (1000 μ
ε
f.s. to 20,000 μ
ε
f.s. range),
±200,000 μ ε or less (50,000 μ ε f.s. to 200,000 μ ε f.s. range)
Input type Balanced differential input, non-isolated channels, simultaneous sampling of all channels
A/D resolution 16 bits
Maximum input
voltage
±0.5 V DC
10
Specifications