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The Sentry™
Visibility Sensor measures atmospheric
visibility (meteorological optical range) by determining
the amount of light scattered by particles (smoke, dust, haze,
fog, rain, & snow) in the air that passes through the
sample volume. Performance in all weather conditions was a
design prerequisite for the Sentry™. An integrated, one-piece
housing design keeps all cabling internal to the sensor for the
ultimate protection against the elements. The sensor housing is
made from anodized aluminum and the enclosures are rugged,
UV-resistant fiberglass rated to IP66. The windows use continuous
duty anti-dew heaters and thermostatically controlled external
hood heaters are offered for protection in extreme environments.
All power and signal lines to the Sentry™ are protected with
surge and EMI filtering to help guarantee uninterrupted service
for the life of the sensor. |
Download
PDF
Brochure |
|
|
 |
| [Range] |
|
30
m to 16 km (other ranges available) |
| [Accuracy] |
|
+/-
10 % RMSE
|
| [Time
Constant] |
|
60 sec
|
| [Scatter
Angle] |
|
42
deg nominal
|
| [Source] |
|
850 nm LED |
| [Outputs] |
|
0-10
VDC standard
0-5
VDC optional
Output
Control Board optional with:
4-20
ma, 4-20 ma isolated, control relay,
and/or
diagnostic relay
Microprocessor
Board with RS-232 optional
|
| [Power] |
|
AC
Version: 100-240
VAC, 14 VA;70 VA w/ Hood Heaters
DC
Version: 10-36
VDC, 6 VA;18 VA w/ Hood Heaters
|
| [Environment] |
|
Temperature:
-40
to 60 C
Humidity:
0-100%
Protection:
IP66
(NEMA-4X)
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µSMART Lightning
Strike Sensor.
|
The
Lightning Strike sensor counts lightning
strikes by detecting electrical fields with signal strength
greater than the factory set threshold voltage of the sensor. An
early warning of impending lightning activity allows sensitive
equipment to be isolated from mains power or time to carry out a
controlled shut down of a plant or dangerous operation. |
Download
PDF
Brochure |
|
|
|
| [Measurement
Parameter] |
|
Electrical
field with signal strength exceeding -
>1.0
volt/metre
>0.3
volts/metre
>0.1
volt/metre |
| [Sensitivity] |
|
LS1
1.0 v/m
LS2
0.3 v/m
LS3
0.1 v/m
|
| [Maximum
Count Rate] |
|
5
strikes per second in pulse output.
100
strikes a second when operating as a µSmart sensor.
|
| [Outputs] |
|
Serial Data in
ASCII text, or +5 volt pulse, 100-millisecond duration
|
| [Power] |
|
Power
Supply: 5-28 v DC unregulated
Current
Drain: 0.1 ma |
| [Environment] |
|
Temperature:
-10
to 50 C
Humidity:
0-100%
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| Manufacturer |
Monitor Sensors |
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