A70-R

Comptus Inc.

The electronics in the Transmitter count the switch closures from the rain gage. The counter drives a digital to analog converter which produces a current signal which increases as counts are accumulated. The current signal drives the output amplifier.


The A70-RL is available in a track mounted v

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Spécifications

Général

Nom du produit
A70-R
Comptus Inc.
Fabriqué
United States

Type de produit

Surveillance du climat

The electronics in the Transmitter count the switch closures from the rain gage. The counter drives a digital to analog converter which produces a current signal which increases as counts are accumulated. The current signal drives the output amplifier.


The A70-RL is available in a track mounted version when it is to be installed in an existing enclosure. It is also available in NEMA 12 Steel, NEMA 4X Fiberglass and NEMA 4X Stainless Steel enclosures


Accessories Accessories Additional lightning protection is indicated if any of the cables connected to the instrument are buried or run on top of the ground for a distance of more than 100 feet. The A96 Series of Lightning Protectors are available for this purpose.


The A70-EO is a linear power supply suitable for providing operating power for the system from the AC mains. Two models are available that will provide 10 watts at either 15 or 24 VDC. It will operate from 105 - 130 VAC or 210 - 260 Vac, 50 / 60 Hz.


The A70-LPD is a loop powered display used when displays at multiple locations are required. It is simply installed in series with the 4 -20 mA loop and derives its power from the loop. Each display in the loop introduces a 2.5 volt drop. A 24 Vdc source of excitation is recommended for applications involving the A70-LPD.


SPECIFICATIONS


Operating Power:12-24 Vdc Input Device: Tipping Bucket Rain Gage Output: Rainfall 4 to 20 mA Range: /E - 1 inch, /M - 25 mm Resolution: /E 0.01 inch, /M 0.25 mm Accuracy: Electronics: + 1/2 % of F.S. 2502 Rain Gage: + 4 % of F.S. Temperature 0 to 70 Degrees C. Range: -40 to 70 Degrees C. available Dimensions: PWB: 6."l X 2.75"w X 1"h Weight: Transmitter: 1/2 lb. 2502 Gage : 10 lb. Maintenance: Recalibrate system yearly Connectors: Terminal Strip on transmitter to accept AWG #12 to #22 Wire Cable: 50 feet length Accessories: A70-EO Power Supply A70-LPD Loop Powered Display A96 Lightning Arrestor Higher Accuracy Rain Gages 52202 Heated Rain Gage

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