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Application Ideas for Ahlborn
Suggested uses for the Ahlborn range.
See examples of how the Ahlborn range could be used.
Product Description
£2,091.00 ex VAT | £2,509.20 Inc VAT
Digital meteorological transmitter for wind.
Built-in heater, mounting bracket for mast mounting. Sensor with built-in plug, including sensor connection cable, length = 10 m, mounted in the connection box. Power supply unit 24 V ZB1024NA2, mounted in the connection box, ALMEMO® connection cable, mounted in the connection box, length = 2 m with ALMEMO® D7 connector.
Available to Order
Email to a friendTechnical Specification
| Wind Velocity | |
| Measuring method | Ultrasonic |
| Measuring range | 0 to 75 m/s |
| Resolution | 0.1 m/s |
| Accuracy | ±0.3 m/s or ±3 % (0 to 35 m/s) ±5 % (>35 m/s) RMS |
| Response threshold | 0.3 m/s |
| Sampling rate | 10 seconds |
| ALMEMO® D7 quantities | Average value, minimum value, maximum value (at output cycle) |
| Wind Direction | |
| Measuring method | Ultrasonic |
| Measuring range | 0 to 359.9 ° |
| Resolution | 0.1 degrees |
| Accuracy | <3 ° (>1 m/s) |
| Response threshold | 0.3 m/s |
| Sampling rate | 10 seconds |
| ALMEMO® D7 quantities | Average value, minimum value, maximum value, average value as text (at output cycle) |
| Operating conditions | |
| Temperature | -50 to +60 °C (with heating) |
| Relative humidity | 0 to 100 % RH |
| Dimensions (including fixture) | |
| Height | 343 mm |
| Diameter | 150 mm |
| Weight | approx. 1.5 kg (including fixture, excluding connection cables) |
| Housing | Plastic Protective class IP66 |
| Fixture | Mast fixture, stainless steel, for Ø 60 to 76 mm |
| Sensor connector | Built-in plug |
| Sensor connection cable | fitted in connection box Length (see variants, accessories) |
| Connection box | Clamp fitting the sensor connection cable and the ALMEMO® connection cable Plug fitting the mains unit cable for the heating system supply Dimensions 80 x 82 x 55 mm 3 cable glands |
| Heating | |
| Supply voltage | 24 VDC |
| Current consumption | 1.7 A (40 W) via external mains unit ZB1024NA2 (in delivery), 100 to 240 V AC / 24 V DC, 4,17 A with hollow connector, fitted in the connection box |
| ALMEMO® connection cable fitted in connection box | Length = 2 meters |
| ALMEMO® D7 plug | |
| Refresh rate 2 seconds for all current momentary values Average value, maximum value, minimum value and quantities - at the output cycle (minimum 2 sec. up to 24 hours) of the ALMEMO® V7 device | |
| Supply with mains unit 24V (default): All functions available. 24 V from the mains unit, max. 1,8 A. 12 V from ALMEMO® device, typ. 10 mA. Supply without mains unit 24V (mobile operation): Fan and heating deactivated. 12 V from ALMEMO® device, typ. 130 mA with rainfall radar in continuous operation. Operating in Energy Saver mode 1: typ. 25 mA, no rain test / no rain, typ. 130 mA for 2 s / Min in the rain test, typ. 130 mA continuously, in the rain | |
Technical Features
Digital meteorological transducer for operating with ALMEMO® V7 devices
This digital meteorological transducer, with its integrated signal processor or A/D converter, can acquire all important weather variables in one device (over 20 different measurable variables). Up to 10 measuring channels can be evaluated simultaneously via the ALMEMO® D7 plug.
On leaving our factory the following variables are programmed : wind velocity (m/s), wind direction (°), precipitation quantity (mm), precipitation intensity (mm/h), air temperature (°C), relative atmospheric humidity (% RH), barometric atmospheric pressure (hPa).
The meteorological transducer operates with current ALMEMO® V7 devices, including precision measuring instrument ALMEMO® 710 and professional measuring instrument ALMEMO® 202.
For professional applications
The meteorological transducer complies in essence with all specifications laid down by the WMO (world meteorological organization) and is used in a wide variety of areas, e.g. weather services, water management, transport technology (roads, rail), agriculture, renewable energy technology, and the monitoring of air quality and atmospheric emissions.
The transducer can be fitted quickly and easily, e.g. on a mast or pole, using the supplied bracket.
The connection cable can be plugged onto the transducer. In the small connection box the signal cables are clamped and the mains unit 24V for the heating system supply are plugged. In mobile use (without mains unit 24V) heating and fan (see below) are deactivated, and the rainfall radar (see below) can be operated in Energy Saver mode. 1
Wind
Wind is measured by means of four ultrasonic sensors (the four main compass points). From the runtime differences the wind velocity is calculated in m/s and the wind direction in °.
This measuring procedure is maintenance-free (no moving parts). For operation in winter the ultrasonic sensors can if so required be heated.
Measured values
The sensors in the meteorological transducer measure the current measured values continuously and at their internal sampling rate. In the ALMEMO® D7 plug the minimum / maximum / average values and quantities are calculated (at the output cycle of the ALMEMO® V7 device); this is for the purpose of various measurable variables.
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