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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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CM310 Datenblatt(PDF) 1 Page - Campbell Scientific United Kingdom |
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CM310 Datenblatt(HTML) 1 Page - Campbell Scientific United Kingdom |
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1 / 2 page  TB4, TB4MM, CS700, CS700H Hydrological Services Tipping Bucket Rain Gages The TB4, TB4MM, CS700, and CS700H are tipping bucket rain gages manufactured by Hydrological Services. They funnel precipitation into a mechanism that tips when filled to the calibrated level. The TB4, CS700, and CS700H measure in 0.01-in. increments; the TB4MM measures in 0.2-mm increments. Each of the rain gage’s tips is marked by a dual reed switch closure that is recorded by a Campbell Scien- tific datalogger. After measurement, the water drains through two orifices (accepts 12 mm tubing) in the base, allowing the measured water to be collected in a separate container. The TB4, TB4MM, CS700, and CS700H are ideal for locations where intense rainfall events may occur. They include a siphoning mechanism that allows the rain to flow at a steady rate regardless of rainfall inten- sity. The siphon reduces typical rain bucket errors and produces accurate measurements over a range of 0 to 19.69-in. per hour (50 cm per hour). Heated Rain Gage The CS700H is a heated rain gage for measuring the water content of snow. It includes an internal snow sensor that is activated when the air temperature drops below 4°C. If the snow sensor detects snow in the catch area (funnel), the heating elements automatically turn on and keep the funnel temperature at +10°C. The heater goes into a wait mode when snow has not been detected for 18 minutes. The heating element is also automatically deactivated when the air tempera- ture drops below -20°C. Mounting The base of the tipping bucket rain gage is supported by three legs. A CM240 Leveling Base and Mount or a user-supplied base plate with leveling capability is required. The CM240 may be attached to a CM300- series mounting pole, or to a user-supplied, 1.5-in. IPS (1.9-in. outer diameter), unthreaded pipe. A concrete pad is recommended. Wind Screen Campbell Scientific offers the 260-953 Wind Screen to help minimize the affect of wind on the rain mea- surements. This wind screen consists of 32 leaves that hang freely and swing as wind moves past them. Both the TB4 and TB4MM have a UV-stabilized plastic base. The CS700 and CS700H have a powder-coated aluminum base. The above rain gage is mounted onto a CM310 pole via the CM240 mount. The CM310 pole is embedded directly in a con- crete pad (-NP no pedestal base option). CS700 or CS700H CM240 CM310-NP Aluminum Base 7.9-inch Orifice Plastic Base 7.9-in. Orifice Funnel Debris Screen |
Ähnliche Teilenummer - CM310 |
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Ähnliche Beschreibung - CM310 |
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