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Applicable sensor: No.7821-00 Tipping bucket rain gauge (R1-502)
Input signal: Non-voltage make contact: one circuit
One tip of rainfall amount: 0.5mm (option: 1.0mm)
Contact time: 100ms or more
Max. number of pulse: 10 pulses per minute
Calculating elements: Time rainfall, continuous rainfall (integral rainfall), effective rainfall
Calculating method: Moving integration
Branch output: Make contact, Contact capacity: 24VDC 1A (resistance load) Contact time: 100ms or more
Display: Red 7 segment LED 4 digits, Height of character: 14.2mm (upper and lower)
Display elements: Time rainfall amount and continuous rainfall amount
(Selectable to display effective rainfall amount by key operation)
Display range: 0 ~ 999.5mm/s
Alarm elements: Time rainfall: 1 ~ 450mm
Continuous rainfall: 1 ~ 999mm
Effective rainfall: 1 ~ 999mm
Alarm output
- First alarm:
+ Non-voltage make contact, Contact capacity: 24VDC 1A (resistance load)
+ Yellow LED blinking (slow)
+ Buzzer sound (slow continuant)
- Second alarm:
+ Non-voltage make contact, Contact capacity: 24VDC 1A (resistance load)
+ Red LED blinking (fast)
+ Buzzer sound (fast continuant)
Alarm reset: Contact output and LED display: integrated value is smaller than alarm setting value
Buzzer sound (to stop buzzer with a key of front panel)
Operation ambient: 0 ~ 50°C, 90%rh or lower (no condensing)
Remote distance: Up to approx. 500m (in used of CVVS 1.25mm2 cable)
Case: Steel plate, desk-top type (with rubber foot and tilt-stand)
Power requirements: 100VAC±10%, 50/60Hz, ~15VA
Back-up power supply: Continuous operation is available for 4 hours with the internal storage battery in case of power outrage.
* The storage battery is always charged from 100 VAC power supply
Dimensions: approx. (W)200×(H)110×(D)200mm
Weight: ≈3.5kg