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LDS 6, 19" central unit |
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Analytical performance |
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Measuring range |
Adjustable |
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Detection limit (DL): Calculated in accordance with VDI 2449, measured on every supplied analyzer during the temperature test (between 5 ... 45 °C) in accordance with VDI 4203. |
Depending on sample gas component: see table for standard applications. For Code ET and FT: in accordance with the requirements of 17th and 27th BImSchV |
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Smallest recommended measuring range (with 1 m path length) |
Depending on sample gas component: see table for standard applications. |
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The maximum applicable measuring ranges can be found in the table of standard combinations. These can only be applied if the individual process conditions allow it. Please contact the Technical Support from Siemens for checking the applicability. |
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Accuracy |
2% / 5%, depending on sample gas component and application letter. At best: detection limit. See table for standard applications. For Code ET and FT: in accordance with the requirements of 17th and 27th BImSchV |
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Linearity |
Better than 1% |
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Repeatability |
2 % of the measured value or minimum detection limit (whichever is largest) For Code ET and FT: in accordance with the requirements of 17th and 27th BImSchV |
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Calibration interval |
No recalibration required thanks to internal reference cell |
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General information |
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Concentration units |
ppmv, Vol%, mg/Nm3 |
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Display |
Digital concentration display (5 digits with floating decimal point) |
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Laser protection class |
Class 1, safe to the eye |
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Certificates |
CE marking, TUV, MCERTS |
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Design, enclosure |
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Degree of protection |
IP20 according to EN 60529 |
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Dimensions |
177 x 440 x 380 mm |
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Weight |
Approx. 13 kg |
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Mounting |
Horizontal |
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Electrical characteristics |
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Power supply |
100 ... 240 V AC 50 ... 60 Hz, automatically adapted by the system; with a 3-channel central unit, an additional external power supply +24 V DC, 50 VA is included in the scope of delivery |
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Power consumption |
50 W |
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EMC |
According to EN 61326 and standard classification of NAMUR NE21 |
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Electrical safety |
According to EN 61010-1, overvoltage classification II |
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Fuse specifications |
100 ... 240 V: T2.5L250V |
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Dynamic response |
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Warm-up time at 20 °C ambient temperature |
Approx. 15 min |
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Response time |
Less than 3 s, application-dependent |
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Integration time |
1 … 100 s, adjustable |
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Influencing variables |
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Ambient temperature |
< 0.5%/10 K of the measured value |
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Atmospheric pressure |
Negligible |
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Process gas pressure compensation |
Recommended |
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Process gas pressure range |
See table for standard applications |
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Power supply changes |
< 1%/30 V |
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Electrical inputs and outputs |
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Number of measurement channels |
1 … 3, optional |
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Analog output |
2 per channel, 4 ... 20 mA, floating, ohmic resistance max. 750 |
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Analog inputs |
2 per channel, designed for 4 ... 20 mA, 50 |
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Binary outputs |
6 per channel, with changeover contacts, configurable, 24 V AC/DC/1 A, floating |
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Binary inputs |
6 per channel, designed for 24 V, floating, configurable |
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Communication interface |
Ethernet 10BaseT (RJ-45) |
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Climatic conditions |
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Temperature range |
5 … 45 °C during operation, -40 … +70 °C during storage and transportation |
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Atmospheric pressure |
800 … 1 200 hPa |
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Humidity |
< 85% relative humidity, above dew point (in operation and storage) |