Outputs; Human Photopic Vision V(Λ); Enviromental Conditions; Accessories - HT HT53 Manual De Instrucciones

6.1.3.

Outputs

Signal output:
20lux range
2000lux range
20000lux range
Output impedance: approx. 500Ω
DMM input impedance: 1 Mohm minimum
(at 2V scale)
Maximum output capability:
4VDC maximum.
Photometric conversion formulas:
1lux (lumens/meter
=0.0929 footcandles (fc)
1 footcandles (fc)
=10.76 lux (lumens/meter
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
1mV DC per 0.01lux
1mV DC per 1lux
1mV DC per 10lux
)
2
EN - 9
HT53 HT53/05
)
2