en:datasheets:tlum
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| en:datasheets:tlum [2024-07-02 07:33] – [Features] jesadmin | en:datasheets:tlum [2024-09-24 11:48] (current) – jesadmin | ||
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| *Sensor with V(λ) filter and silicon photo element | *Sensor with V(λ) filter and silicon photo element | ||
| *Temperature compensated and long term stable amplifier for the photoelectric current using live zero | *Temperature compensated and long term stable amplifier for the photoelectric current using live zero | ||
| - | *Heated housing with protection class IP65 either | + | *Heated housing with protection class IP67 made of stainless steel 1.4404 or polycarbonate (optional) |
| *Electronically controlled heating and temperature monitoring | *Electronically controlled heating and temperature monitoring | ||
| *Mounting flange to adjust horizontal and vertical angle | *Mounting flange to adjust horizontal and vertical angle | ||
| - | *Fault indication by relay isolated | + | *Fault indication by relay contact (NC) |
| *Optional second output channel for increased resolution at low lighting levels | *Optional second output channel for increased resolution at low lighting levels | ||
| *Surge protection | *Surge protection | ||
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| The requirements for tunnel lighting are determined by the nature of the human eye. How well the eye recognises vehicles and other obstacles in a tunnel depends on the lighting and visibility as well as the reflexion characteristics of the road surface and the tunnel walls. Tunnel lighting needs to be adapted to these environmental conditions. | The requirements for tunnel lighting are determined by the nature of the human eye. How well the eye recognises vehicles and other obstacles in a tunnel depends on the lighting and visibility as well as the reflexion characteristics of the road surface and the tunnel walls. Tunnel lighting needs to be adapted to these environmental conditions. | ||
| - | The tunnel lighting must be controlled such that users, both during the day and by night, can approach, pass through and exit the tunnel without changing direction or speed with a degree of safety equal to that on the approach road. Especially the lighting of a tunnel entrance should be adequate to avoid the “black hole effect” when a driver enters the tunnel. | + | |
| - | Luminance is the measure representing what a human being perceives as brightness and as such is the main control variable for the tunnel lighting. | + | The tunnel lighting must be controlled such that users, both during the day and by night, can approach, pass through and exit the tunnel without changing direction or speed with a degree of safety equal to that on the approach road. Especially the lighting of a tunnel entrance should be adequate to avoid the “black hole effect” when a driver enters the tunnel. Luminance is the measure representing what a human being perceives as brightness and as such is the main control variable for the tunnel lighting. |
| The luminance photometer comes with a zoom lens that is focussed to measure the relevant area. Light from this area through the lens is directed to the photo element de-tecting its intensity. The integrated evaluation unit then calculates the luminance and provides it through the analogue output(s) | The luminance photometer comes with a zoom lens that is focussed to measure the relevant area. Light from this area through the lens is directed to the photo element de-tecting its intensity. The integrated evaluation unit then calculates the luminance and provides it through the analogue output(s) | ||
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| ===== Technical Specifications ===== | ===== Technical Specifications ===== | ||
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| - | ~~SNIPPET_O1719905595~~en: | + | ~~SNIPPET_O1752333799~~en: |
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| |Power consumption ||approx. 50 W | |Power consumption ||approx. 50 W | ||
| |- | |- | ||
| - | |Overvoltage protection | + | |Overvoltage protection |
| |- | |- | ||
| - | |Dimensions | + | |Dimensions |
| |- | |- | ||
| - | |Protection class ||IP 67 | + | |IP rating |
| |- | |- | ||
| - | |Materials | + | |Materials |
| |- | |- | ||
| - | |Weight | + | |Weight |
| |- | |- | ||
| |Temperature range ||-40°C ... +70°C | |Temperature range ||-40°C ... +70°C | ||
| |} | |} | ||
| - | * currently not available | ||
| ~~SNIPPET_C~~en: | ~~SNIPPET_C~~en: | ||
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| - | ~~SNIPPET_O1719905595~~en: | + | ~~SNIPPET_O1752333799~~en: |
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| |Power consumption ||approx. 50 W | |Power consumption ||approx. 50 W | ||
| |- | |- | ||
| - | |Overvoltage protection | + | |Overvoltage protection |
| |- | |- | ||
| - | |Dimensions | + | |Dimensions |
| |- | |- | ||
| - | |Protection class ||IP 67 | + | |IP rating ||IP 67 |
| |- | |- | ||
| - | |Materials | + | |Materials |
| |- | |- | ||
| - | |Weight | + | |Weight |
| |- | |- | ||
| |Temperature range ||-40°C ... +70°C | |Temperature range ||-40°C ... +70°C | ||
| |} | |} | ||
| - | * currently not available | ||
| ~~SNIPPET_C~~en: | ~~SNIPPET_C~~en: | ||
| ==== Conformities ==== | ==== Conformities ==== | ||
| - | ~~SNIPPET_O1719905595~~en: | + | ~~SNIPPET_O1752333799~~en: |
| {|class=" | {|class=" | ||
| !colspan=" | !colspan=" | ||
en/datasheets/tlum.1719905595.txt.gz · Last modified: by jesadmin