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A rain gauge (also
known as an udometer or a pluviometer or a cup) is
a type of instrument used by meteorologists and
hydrologists to gather and measure the amount of
liquid precipitation (as opposed to solid
precipitation that is measured by a snow gauge)
over a set period of time.
Most rain gauges
generally measure the precipitation in
millimeters. The level of rainfall is sometimes
reported as inches or centimeters. Types of rain
gauges include graduated cylinders, weighing
gauges, tipping bucket gauges, and simple buried
pit collectors. Each type has its advantages and
disadvantages for collecting rain data.
Rain
gauges have their limitations. Attempting to
collect rain data in a hurricane can be nearly
impossible and unreliable (even if the equipment
survives) due to wind extremes. Also, rain gauges
only indicate rainfall in a localized
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TS-15S ultrasonic
distance sensors contain a rugged transducer in a
stainless steel case for a long service life in
tough environments. Typical applications include
roll diameters, liquid level, motion control,
positioning and dimensioning. They are excellent
in tanks, drums and level applications.
Two
outputs are available in many combinations,
including analog 0-10/0-5 VDC, 4-20 ma. Current
loop, PNP (sourcing) switches, NPN (sinking)
switches and RS-232/485 serial data. All outputs
are relative to measured distance and adjustable
anywhere in the sensor’s
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Piezo-type level sensor, uses a sensor element
consisting of a piezoelectric ceramic, The sensor
detects the presence of powder when the sensor
element, which a built-in oscillating circuit
causes to vibrate, comes into contact with powder
and the vibrational conditions are altered, they
are generally not suited for static pressure
measurements. Dynamic pressure measurements
including turbulence, blast, ballistics and engine
combustion under varying conditions may require
sensors with special capabilities. Fast response,
ruggedness, high stiffness, extended ranges, and
the ability to also measure quasi-static pressures
are standard features associated with PCB quartz
pressure sensors. | |
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Types of solar panel:-
a) Solar panel 12V 4 watt
b) Solar panel
12V 10 watt
c) Solar panel 12V 12 watt
d)
Solar panel 12V 40 watt
A solar panel is a device that collects and
converts solar energy into electricity or heat. It
transfers energy from the sun into electricity or
heat which can be used by (for example) nearby
buildings. Solar panels were in use over one
hundred years ago for hot water heating in homes.
In the field of photovoltaics, a photovoltaic
module is a packaged interconnected assembly of
photovoltaic cells, also known as solar cells. An
installation of photovoltaic modules or panels is
known as a photovoltaic array. Solar thermal
energy is a technology for harnessing solar energy
for heat. This is very different from solar
photovoltaics, which convert solar energy directly
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12V 12Ah. GPL 12120 is
a general purpose battery up to 8 years expected
life under normal float charge. As with all CSB
batteries, all are rechargeable, highly efficient,
leak proof and maintenance
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* Dual Band GSM/GPRS modem
EGSM900/1800 MHS
* Fully Type Approved
*
Fully compliant with ETSI GSM Phase 2+
specifications (Normal MS)
* Output
Power:
• Class 4 (2W @ 900
MHz)
• Class 1 (1W @
1800/1900 MHz)
* Input Voltage: 5V-32V
*
Input Current:
• 12mA in
idle mode, 100mA in communication GSM 900 @
12V
• 12mA in idle mode,
100mA in communication GSM 1800 @ 12V
*
Temperature range:
• -20°C
- +55°C operating
• -25°C
- +70°C storage
* Overall dimensions: 98 x 54
x
25mm | | |
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