L420 - Heraeus Sensor Technology

L420 Platinum Resistance Temperature Detector

Platinum Resistance Temperature Detector L 420 L series PRTDs are designed for large volume applications where long term stability, interchangeability and accuracy over a large temperature range are vital. Typical applications are Automotive, White goods, HVAC, Energy management, Medical and Industrial equipment. Nominal Resistance R0 100 Ohm at 0°C 500 Oh.

Features

at least 40g acceleration at 10 to 2000 Hz, depends on installation at least 100g acceleration with 8ms half sine wave, depends on installation unhoused for dry environments only > 100 MΩ at 20°C; > 2 MΩ at 500°C 0.3 K/mW at 0°C water current (v= 0.4m/s): air stream (v= 2m/s): Temperature coefficient Leads Lead lengths (L) Long-term stability Vibration resistance Shock resistance Environmental conditions Insulation resistance Self heating Response time t0.5 = 0.08s t0.9 = 0.25s t0.5 = 3.5s t0.9 = 15.0s Measuring current 100Ω: 0.3 bis 1.0 mA 500Ω: 0.1 bis 0.7 mA 1000Ω: 0.1 bis 0.3 mA (sel.