Kippzonen LAS MkII Scintillometer Bedienungsanleitung PDF herunterladen (Seite 66)

Instruction Manual - LAS MkII Scintillometer

Note Kipp & Zonen reserves the right to make changes to speciﬁcations without prior notice.

7.1 Speciﬁcations of LAS MkII transmitter

Parameter Value

Operating temperature -20 °C to +50 °C

Humidity 0 to 100 % RH, IP 65

Voltage 12 VDC nominal

(9.6 to 18 VDC)

Power 3 W maximum with heater off

51 W maximum with heater on, typical 23 W

Window heater Self-regulating at approx. +55 °C

Surge protection For transmitter power, but not for heater

Centre wavelength of optical filter for photodiode detector 850 nm

Fresnel lens diameter and focal length 152 mm / 152 mm

Scintillation signal bandwidth 0.2 to 400 Hz

Typical value signal 1

, log C

signal) 0 to 2 V

Typical value signal 2

(6.5 - 7 kHz carrier) 0 to 1 V, 6.5 to 7 kHz, 0.5 duty cycle

Typical value signal 3

DEMOD

, signal strength I) 0 to 2 V

turbulent range 10

-17

to 10

-12

-2/3

Noise level of electronics < 10

-17

-2/3

Length 266 mm *

Width 229 mm *

Height 297 mm *

Weight 8.5 kg *

* Including pan and tilt assembly, but excluding sun shield or telescope

Parameter Value for LAS MkII Value with restrictors

Nominal aperture 150 mm 100 mm

Minimum path length 250 m 100 m

Maximum path length

(depends on atmospheric conditions) 4.5 km 1 km

Minimum height 1.5 m 1.5 m

Maximum height for C

(or turbulence) measurements no operational restriction no operational restriction

Maximum height for H measurements Constant Flux Layer Approx. 100 m Approx. 100 m

7.2 Speciﬁcations of LAS MkII receiver

7.3 Speciﬁcations of LAS MkII scintillometer system

1 2 ... 61 62 63 64 65 66 67 68 69 70 71 ... 85 86

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