NORIS N122-824-002 Technical Specification
Basic Product Information
Brand: NORIS Marine Systems
Model: N122-824-002
Order Part Number: N122-824-002
Product Name: Marine Shaft Speed Tacho Generator Sensor
Country of Origin: Germany
HS Customs Code: 8501109900 (Marine speed measuring tachogenerator transducer)
Mechanical Dimensions & Weight
Overall Dimension (H × W × D): 135 mm × Ø42 mm
Net Weight: 0.38 kg

IOC4T
Gross Weight with Cable Packing: 0.46 kg
Installation: Flange direct coupling to rotating shaft
Protection Class: IP65 field mounting
Electrical Input Parameters
No external auxiliary power required (passive mechanical-electrical conversion)
Environmental Range
Operating Temperature: -30°C ~ +80°C
Vibration Resistance: Compliant with marine vessel vibration standards
Salt Spray Resistance: 500 hours anti-corrosion test
Electrical Output Parameters
Output Signal: Sinusoidal AC voltage, 60 VAC @ 500 rpm standard
Measuring Speed Range: 60–1000 rpm
Output Impedance: Low impedance for long cable transmission up to 100m
Signal Accuracy: ±0.2% full scale
Core Features
Maintenance-free bearing structure, service life ≥ 80,000 operating hours
Wide temperature adaptability for engine room harsh environment
Direct compatible with NORIS N3000 master control cabinet





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