HT HT53, Руководство пользователя

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HT53 HT53/05
Release EN 1.01 – 19/04/2002
EN - 9
6.1.3. Outputs
Signal output:
20lux range 1mV DC per 0.01lux
2000lux range 1mV DC per 1lux
20000lux range 1mV DC per 10lux
Output impedance: approx. 500
Ω
DMM input impedance: 1 Mohm minimum
(at 2V scale)
Maximum output capability:
4VDC maximum.
Photometric conversion formulas:
1lux (lumens/meter
2
)
=0.0929 footcandles (fc)
1 footcandles (fc)
=10.76 lux (lumens/meter
2 )
6.1.4. Human photopic vision V(
λ
)
The CIE photopic curve is an international
standard for the color response of the
average human eye. CIE standard
iluminant A is defined as: A gas-filled
tungsten-filament lamp operating at a
correlated color temperature of 2856K.
6.2. ENVIROMENTAL
CONDITIONS
Climatic conditions
Operation temperature: 0~50°C, 32~122°F
Operation humidity: <80%RH
Storage temperature: -10~60°C,14~140°F
Storage humidity: <80%RH
Altitude: max 2000m
6.3. ACCESSORIES
Standard accessories
The accessories contained inside the
packaging Are the following:
Probe
User’s manual
Battery