THERMISTOR MODULE U8557

Enables High-speed, Multi-channel Temperature Measurement Using Thermistors

NEW

Key Features

U8557	For the LR8450, LR8450-01

U8557 cannot perform measurement by itself. Memory HiLogger LR8450 or LR8450-01 is required separately.

Accuracy guaranteed: 1 year

Connectable instruments	Memory HiLogger LR8450 (Designed for use with plug-in units/modules only) Memory HiLogger LR8450-01 (Wireless LAN model)
Operating temperature and humidity	−20°C to 55°C (−4°F to 131°F), 80% RH or less (no condensation) (Charging temperature range: 5°C to 35°C)
Storage temperature and humidity	−20°C to 60°C (−4°F to 140°F), 80% RH or less (no condensation)
Vibration resistance	JIS D 1601:1995 5.3(1), Class 1A (passenger vehicle) equivalent
Number of input channels	15 ch (Able to set temperature using the thermistor or resistance for each channel)
Input terminals	Push-button type terminal block (2 terminals per channel)
Measurement target	Temperature using the thermistor, resistance
Input type	Scanning by semiconductor relays All channels isolated
Resistance measurement (resolution)	2000 Ω (0.1 Ω), 20 kΩ (1 Ω), 200 kΩ (10 Ω)
Temperature measurement (thermistor)	Temperature conversion methods: Steinhart–Hart equation, B-constant (Beta parameter) equation Resolution: 0.01°C Temperature range: −100°C to 300.0°C
Included accessories	Instruction Manual ×1, mounting screw ×2

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