Privacy policies

GDPR data Terms of use Cookies policy Privacy policy Delivery and Payment How to order?
I agree with terms and conditions Continue
 
office@distek.ro  +40 760952425   Ask price (0) 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 


Rain Detector and Athmospherical Precipitation Delta Ohm HD2013.2

Code: Delta Ohm HD2013.2


 
Datasheet PDF, 0.4 Mb

Description

The HD2013.2 is a rain detector based on the capacity principle. The capacity

value of the sensitive element, on an alumina rest, changes according to the

surface dampened by raindrops. An integrated heater keeps it dry, evaporates

water and prevents false signals caused by fog or dew. The heater also

activates at low temperatures, melting the snow and allowing to detect snow

precipitations. The instrument external circular dome acts as a windshield for

the sensor, preventing false indications. The instrument is equipped with three

different outputs: a "Rain ON/OFF" output, which detects whether it is raining/

snowing (ON) or not (OFF), also used to control a relay coil or similar devices; a

0…1V voltage analogue output (calibrated) and a 1,5…6KHz frequency output

(not calibrated), which provide an accurate indication of current precipitation

intensity. The ON/OFF output comes with a delay circuit that indicates the

"rain over" condition with a 2 minute delay, so that the "rain over" condition is

distinguished from the "light rain" one. The heater can be disabled when power

consumption is critical. To do it, set the Heater OFF input on 0V.

If requested when ordering, a bird spike, consisting of a 6-spike ring (spike

height: 60mm, diameter: 3 mm), can be mounted.

 

 

Typical Applications

The rain detector can be used either as a separate device, or connected to a data

logger system (for example: in a weather station). In figure 1, the HD2013.2 ON/

OFF output is connected to a relay coil that powers an engine: should it rain, the

ON/OFF output will energize the relay coil, which will close the normally open

contact (in this case the rain detector is employed as part of a control system,

such as, for example, for closing windows). Warning: when the HD2013.2 is

connected to a relay coil, use always a protection diode, as shown in figure 1.

 

Installation and Maintenance

Place the detector far from buildings, trees, etc…, taking care that no object

is over the detector, as it might prevent rain detection. Use the supplied

accessories to mount the instrument; the bracket can be fixed to a post having

a diameter from 30 to 50mm; the post can be either horizontal or vertical

thanks to the bracket double drilling. A standard 5-m cable is supplied for the

electrical connection with an IP68 connector to be inserted at the bottom of

the instrument: the colours of the leads and the relating functions are to be

found in the technical specifications. To ensure good immunity from noises, it is

recommended to connect the cable braid to the earth and to keep the heater and

the electronics earth leads separate. Clean the sensor regularly with a cotton

flock soaked in distilled water; in case of ingrained dirt, mild cleansers can be

used in moderation.

The sensor is fragile, as it is placed on an alumina rest, thus handle it with

care!

 

More products SENSECA

MANOMETERS-THERMOMETERS DELTA OHM HD2114 HD2134 HD2164

• portable instruments with a large LCD display
• They measure absolute, relative and differential pressure, as well as temperature
• Max, Min and Avg function calculates the maximum, minimum or average values
• relative measurement REL, the HOLD function, and the automatic turning off
• store up to 36,000 samples
• standard RS232C serial port and USB 2.0

 
TWO-AXIS ULTRASONIC ANEMOMETER FOR WINDSPEED & WINDDIRECTION MEASUREMENT DELTA OHM HD52.3

• 2 axes ultrasonic Anemometers series HD 52.3D
• Wind speed and direction, U-V Cartesian components of wind speed,
• Relative Humidity and Temperature (option, code "17"),
• Diffuse Solar Radiation (option, code "P"),
• Barometric pressure (option, code "4").

 
CENTESIMAL THERMOMETER DELTA OHM HD2107.1 HD2107.2 HD2127.1 HD2127.2

• Centesimal thermometer in the range +/-199.99°C, decimal outside this range
• one input for Pt100 probes with SICRAM module measuring range -200°C +650°C
• Storage of maximum, minimum, average value
• RS232 C output for data transfer in real time to a PC or printer
• Functions: REL, HOLD and auto power

 
PHOTOMETRIC PROBE FOR OUTDOOR MEASURING OF SOLAR ILLUMINANCE DELTA OHM LP PHOT02

• Outdoor photometric probe for measuring ILLUMINANCE (0...150 Klux),
• CIE photopic filter,
• diffuser for cosine correction.
• mVdc output for klux.
• Complete with Calibration Report.
• On request 5 or 10m cables with connectors.

 
MULTIPARAMETRIC TESTER FOR ELECTROCHEMICAL MEASUREMENTS: PH, CONDUCTIVITY, DISSOLVED OXYGEN, TEMPERATURE, CONCENTRATION, SOLIDS, SALINITY DELTA OHM HD98569

• portable multi-parameter data logger for electrochemical measures: pH, conductivity, dissolved oxygen and temperature
• large back-lighted LCD display
• pH, mV, redox potential (ORP) with pH, redox or combined pH/temperature electrodes complete with SICRAM module
• conductivity, resistivity in liquids, total dissolved solids (TDS), and salinity with combined 4-ring and 2-ring conductivity and temperature probes with SICRAM module.
• Concentration of dissolved oxygen in liquids (in mg/l), saturation index (in %)

 
LUXMETER PHOTO- RADIOMETER MEASURING SOLAR ILLUMINANCE, PAR, IRRADIANCE DELTA OHM HD2102.1 HD2102.2

• Device for measuring illuminance, luminance, PAR, irradiance.
• Storage of maximum, minimum, average value and the integral Q(t),
• RS232 C output for data transfer in real time to a PC or printer.
• Functions: REL, HOLD and auto power off which can be disabled,
• IP 67 protection degree

 
DUAL INPUT THERMOMETER DELTA OHM HD2178.1 HD2178.2

• Thermometer with two inputs, the first for Pt100 probes equipped with SICRAM module, the second input for thermocouple type K, J, T, E, N
• large display
• Storage of maximum, minimum, average value
• RS232 C output for data transfer in real time to a PC or printer
• Functions: REL, HOLD and auto power off which can be disabled
• IP 67 protection degree

 
CONDUCTIVIMETER-THERMOMETER FOR CONDUCTIVITY, LIQUID RESISTIVITY, DISSOLVED SOLIDS, SALINITY, TEMPERATURE DELTA OHM HD2306.0

• Conductivity-Thermometer measures conductivity, liquid resistivity, total dissolved solids, salinity and temperature.
• Storage of maximum, minimum, average value.
• Functions: REL, HOLD and auto power off which can be disabled,
• IP 67 protection degree.

 
3-CHANNEL MULTIFUNCTION AIR PARAMETERS MONITORING DATALOGGER DELTA OHM DO9847

• Multifunctional handheld board instrument and datalogger
• RH, temperature, pressure, airspeed, light, voltage, current
• 128x64 pixel (56x38 mm) graphic display and three independent inputs
• Functions: watch, hold, max., min., average, record, immediate or deferred start record logging, difference between the two inputs, relative measures
• Storage capacity: 32.000 readings per input.
• RS232C serial output: from 300 up to 115.200 baud rate.

 
THREE-AXIS ULTRASONIC ANEMOMETER FOR WIND SPEED & DIRECTION MEASUREMENT DELTA OHM HD2003 HD2003.1

• Determination of the anemometric quantities represented in diverse measurement units:
• wind speed and direction,
• U-V-W Cartesian components of speed,
• sound speed,
• sonic temperature
• 5 analogue voltage or current outputs, with different measuring ranges.
• RS232 and Multidrop RS485 Serial Communication interfaces.