095 datasheet(2/2 Pages) ETC2

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The Model 096 Pyranometer

Model 394 Pyranometer

The precision spectral pyra-

nometer is used to measure

the total sun and sky radiation,

or a defined wavelength band.

It utilizes a circular, multi-junc-

tion thermopile protected by a

glass hemispheres. The selec-

tion of the outer hemisphere

determines the spectral range

of the sensor.

Features

s Extremely high accuracy

s Circular multi-junction

thermopile detector

s Full or partial band

sensitivity

s Temperature compensated

s Rapid response time

s Built-in leveling devices

The detector element is a cir-

cular wirebound multi-junction

thermopile. The junctions are

copper-constantan plated.

Built-in thermistor circuitry is

incorporated to eliminate the

effects of ambient temperature.

The hemispherical optical

glass domes have a water-

proof seal, but can easily be

removed for repairs. The

case is cast bronze, enam-

eled white, and includes a

guard disk. The sensor is fit-

ted with a desiccator, circular

level, and leveling screws. A

mounting base with a vertical

3/4” IPS pipe simplifies field

installation of the sensor.

Model 096 Pyranometer

The Model 096 Pyranometer

uses a silicon solar cell mount-

ed in a cosine corrected minia-

ture head. It provides an eco-

nomical solution to the mea-

surement of solar radiation for

use in meteorological, agricul-

tural and hydrological studies.

The Model 394 Pyranometer

Features

s Silicon cell sensing

element

s Extremely rapid response

s Fully cosine-corrected

s Error less than ±5%

s Built-in leveling devices

The spectral response of the

sensor is .4 to 1.1 microns

(400 to 1100 nanometers).

This does not cover the full

range of the solar spectrum,

but the error introduced is

less than ±5% under most

conditions of natural daylight.

The cable is directly attached

to the sensor without connec-

tors. The sensor is furnished

with a mounting plate, which

contains a circular level and

adjusting screws. The sup-

plied base includes a vertical

3/4” IPS pipe to facilitate

mounting and field installation.

Model 097

Net Radiometer

The Model 097 Net Radiome-

ter is a high output device

designed to measure the sum

of all incoming radiation less

the outgoing radiation. This is

the energy retained by the

surface for heating soil and

air, plant growth, and water

evaporation. Incoming radia-

tion consists of direct beam

and diffuse solar radiation

and longwave sky radiation.

Outgoing radiation is the

reflected radiation and terres-

trial longwave radiation.

Features

s 62-junction thermopile

detector

s High output/low resistance

s Leveling ball joint with built-

in level

s Balanced long- and short-

wave calibration coeffi-

cients

s Desiccant and purge points

in support arm

s No power required

s Linear calibration

s Non-pressurized, easy

replacement of windshields

The Model 097 Pyranometer

The spectral response of the

Model 097 is 250 to 60,000

microns (.25 to 60 nanome-

ters). The sensor is extremely

sensitive to levelness, and a

built-in circular level is provid-

ed to facilitate proper installa-

tion. The mounting arm of the

sensor contains the desiccant

supply. Field maintenance is

simplified by the design

which incorporates heavy-

duty polyethylene hemispher-

ical windshields. The wind-

shields are easily replaced

and require no pressuriza-

tion. The cable is directly

attached to the sensor with-

out connectors. The sensor is

furnished with a supporting

arm and mounting plate,

enabling the sensor to install

on any horizontal or vertical

pipe having a diameter less

than 1.5” (38 mm).

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