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Specifications
8990spc.fm
Specifications
Rain Gauge Input
General Information
For use with the Tipping Bucket Rain Gauge.
The Sampler Program can be initiated upon field selectable rate of rain.
Sampler records rainfall data.
Each tip = 0.25 mm (0.01in.) of rain.
Analog Input Channels
General Information
Up to 3 additional data logging channels record data from external source(s)
Field assignable units
-4.0 to +4.0 V dc and 0 to 20 mA
4–20 mA Output
General Information
Up to 2 output signals available.
User assignable
Maximum Resistive
Load
600 ohms
Output Voltage 24 V dc–no load
Insulation Voltage
Between flow meter and 4–20 mA output—2500 V ac
Between the two 4–20 mA outputs—1500 V ac
Alarm Relays
General Information
(4) 10 amp/120 V ac or 5 amp/220 V ac form C relays
±0.1% FS Error
User assignable for any internal or external data channel or event.
Downlook Ultrasonic Sensor 40 kHz
Accuracy 0.003 m (±0.01 ft)
Maximum Range 3.35 m (11 ft) with a 3.05 m (10 ft) span
Deadband 38 cm (15 in.) maximum, self-minimizing
Material PVC housing with Buna-N acoustic window
Cable 4 conductor with integral stainless steel support cable
Submerged Pressure Transducer
Material Epoxy body with stainless steel diaphragm.
Cable Polyurethane sensor cable with air vent.
Cable Length 7.6 m (25 ft) standard; 76 m (250 ft) maximum
Sensor Dimensions 2 cm H x 3.8 cm W x 12.7 cm L (0.8 in. x 1.5 in. x 5 in.)
Maximum Range
5 psi, 0.063 to 3.5 mm (0.018 to 11.5 ft)
15 psi, 0.063 m to 10.5 m (0.018 to 34.6 ft)
Maximum Allowable
Level
3x over pressure
Operating Temperature
Range
0 to 71 °C (32 to 160 °F)
Compensated
Temperature Range
0 to 30 °C (32 to 86 °F)
Air Intake Atmospheric pressure reference is desiccant protected.