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This product is no longer available and has been replaced by: CS700H-L, 52202-L. Some accessories, replacement parts, or services may still be available.

Technical Description

The 385 uses a 115-Vac blanket heater to provide year-round measurement of rain or snow. This sensor requires an adequately grounded, reliable ac power source.

The 385 measures in 0.01" increments and has a 12" diameter orifice. It funnels precipitation into a bucket mechanism that tips and activates a reed switch when filled to its calibrated level. The switch closure is recorded by the datalogger. The 385 is compatible with all Campbell Scientific dataloggers.

Before July 1994, the 385 used a cartridge heater. Met One will upgrade that cartridge heater to the blanket heater.

385-L Specifications

  • Sensor Type: Tipping bucket with electric heater
  • Accuracy
    • <0.5"/hr: ±0.5%
    • 0.5"/hr to 3.0"/hr: ±2%
  • Resolution: 0.01” per tip
  • Heating Element: 115 Vac (50/60 Hz) 300 W
  • RH Operating Range: 0 to 100%

Resources and Links

Ships With

(1) Calibration sheet

Shipping Weights & Dims

Single Box Shipping Weight:
     11.0 lbs plus 0.5 lb per
          10' cable
     5.0 kg plus 0.23 kg per
          3.05 m cable

Single Box Shipping Dimensions:
     16" x 16" x 20"
     40.6 x 40.6 x 50.8 cm