skSATO RA-001-00 Digital Rainfall Indicator with Alarm (0~999.5mm/s)

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

Datasheet