Specifications

Solar energy is a significant

element in large-scale atmos-

pheric motion, and as a

result, it has an important

place in meteorology. It is

directly related to atmospher-

ic stability, and is used in

determining stability classes

for pollution studies. Met One

Instruments supplies solar

sensors to meet virtually any

monitoring requirement.

Model 095 Pyranometer

The Model 095 Pyranometer

incorporates a multi-junction

differential thermopile and a

precision ground optical glass

hemisphere which is trans-

parent to wavelengths 0.285

to 2.80 microns. It is used for

high precision, broad band -

width measurements of inci-

dent solar radiation.

Features

detector

bandwidth

The detector element is of

wirebound-plated construc-

tion with black and white seg-

ments. When exposed to

solar radiation, the differing

absorptivity of the black and

white surfaces develops a

temperature differential. The

thermopile then produces a

voltage proportional to the

solar radiation. Built-in ther-

mistor circuitry is incorporat-

ed to eliminate the effects of

ambient temperature.

The Model 095 Pyranometer

Corporate Sales & Service: 1600 Washington Blvd., Grants Pass, OR 97526, Phone (541) 471-7111, Fax (541) 471-7116

Distribution & Service: 3206 Main Street, Suite 106, Rowlett, TX 75088, Phone (972) 412-4747, Fax (972) 412-4716

http://www.metone.com • metone@metone.com

Met One Instruments,

Solar Radiation Sensors

The single hemispherical

optical glass dome has a

waterproof seal, but can easi-

ly be removed for repairs.

The case is cast aluminum,

painted white, and is fitted

with a desiccator, circular

level, and leveling screws. A

mounting base with a vertical

3/4” IPS pipe simplifies field

installation of the sensor. This

rugged instrument is capable

of withstanding mechanical

vibrations of up to 20 G’s.

Solar Radiation - REV. 9/1/97

Model 095

Spectral Response:

Nanometers: 285 - 2800

Microns:0.28 - 2.8

Calibration:

Sensitivity:**

Impedance:

350 ohms, approx.

Temperature Depend.:

±1.5% constancy from -20°C to +40°C

Linearity:

Response Time:

5 second (1/e signal)

Cosine Response:

±2% from normalization 0°-70° zenith angle; ±5% 70°-80° zenith angle

Dimensions:

5.75 in (14.6 cm) diam. x 21 in (53.4 cm) h, including mount

Weight:

4 lbs (1.8 kg), including mount

Mounting:

Leveling plate and mounting base included.

Requires PN 1552 fitting or similar device.

Cable:

PN 1138-xx (xx = length in feet)

Model 394

Spectral Response:

Nanometers: 285 - 2800 (clear)*

Microns: 0.28 - 2.8 (clear)

Calibration:

Sensitivity:**

Impedance:

650 ohms, approx.

Temperature Depend.:

±1% constancy from -20°C to +40°C

Linearity:

Response Time:

1 second (1/e signal)

Cosine Response:

±1% from normalization 0°-70° zenith angle; ±3% 70°-80° zenith angle

Dimensions:

5.75 in (14.6 cm) diam. x 23 in (58.4 cm) h, including mount

Weight:

9 lbs (4 kg), including mount

Mounting:

Leveling plate and mounting base included.

Requires PN 1552 fitting or similar device.

Cable:

PN 1138-xx (xx = length in feet)

Model 096

Spectral Response:

Nanometers: 400 - 1100

Microns: 0.4 - 1.1

Calibration:

Against Eppley B&W under natural daylight

Sensitivity:**

Impedance:

100 ohms load (dependent upon sensor sensitivity)

Temperature Depend.:

±.15%/degree C, max.

Linearity:

Response Time:

10 microseconds (10% - 90%)

Cosine Response:

Corrected up to 82° incident angle.

Azimuth error less than 1% over 360° at 45° elevation

Dimensions:

3 in (7.6 cm) diam. x 19 in (48.2 cm) h, including mount

Weight:

1.2 lbs (.54 kg), including mount

Mounting:

Leveling plate and mounting base included.

Requires PN 1552 fitting or similar device.

Cable:

PN 1832-xx (xx = length in feet)

Model 097

Spectral Response:

Nanometers: 250 - 60000

Microns: 0.25 - 60

Calibration:

Against transfer standard, compared to a tungsten-halide light source

Sensitivity:**

Impedance:

4 ohms

Response Time:

10.5 seconds

Dimensions:

2.8 in (7.1 cm) w x 2.5 in (6.35 cm) h x 37 in (94 cm)

Weight:

3 lbs (1.3 kg), including mount

Mounting:

Mounting plate for support arm included

Cable:

PN 2437-xx (xx = length in feet)

* Contact factory for other ranges.

** Sensitivity varies among sensors of the same type. A calibration certificate is supplied with each sensor.