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LaserDust MP LP XLP

Brand: Palm
Product Code: NEO
Availability: Out Of Stock
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 Our LaserDust monitor is available in three versions, namely Medium Path (MP), Long Path (LP), and Extra Long Path (XLP) to cover stack diameters from 0.5 – 10 m.

LaserDust Monitors use a transmitter / receiver configuration to probe the dust concentration along the optical line-of-sight. Our true non-contact approach (no probes) is superior to point type dust meters. The transmitter is similar for all three versions (MP, LP, XLP), whereas the receivers are of different size.

With innovative laser technology the LaserDust combines two measurement principles in one instrument. At low dust levels it operates with forward scattered light technology: The incident laser light is scattered by dust particles and collected onto a solid-state sensor for dust quantification. This highly sensible mode enables detection limits of < 0.5 mg/Nm3 and is unaffected by dust depositing on the windows. At high dust levels the LaserDust will measure transmittance or opacity: Light absorption by dust particles is captured by a 2nd sensor.

  • Real-time: Response time down to one second
  • Suitable for high gas temperatures
  • Cross stack measurement up to 10 m
  • High dynamic range (mg/m3 and g/m3)
  • Scattered light detection for high sensitivity
  • No probes – non contact measurement

Process temperature Above dew point up to 700 °C

Process pressure 0.1 – 1.5 bar abs (optional windows for up to 5 bar)

Detection limit < 0.5 mg/Nm3 (in scattered mode)

Measurement range min. 0 – 15 mg/Nm3 (scattered mode)

max. 0 – 10.000 mg/Nm3 (transmission mode)

Resolution 0.05 mg/Nm3

Optical path length Medium Path: 0.5 – 3 m

Long Path: 3 – 6 m

Extra Long Path: 6 – 10 m

Response time 1 – 2 sec

Pulse mode: 50 ms

Environmental Conditions
Operating temperature -20 °C to +55 °C

Storage temperature -20 °C to +55 °C

Protection classification IP66

Inputs / Outputs
Analog output (3) 4 – 20 mA current loop

Digital output

RS – 232 format Optional 10 or 10/100 Base T Ethernet, optional fibre optic (ASCII – format)

Relay output (3) High dust -, Warning - and Fault relays (normally closed-circuit relays)

Analog input Optional 4 – 20 mA process temperature and pressure reading

Input power supply unit 100 – 240 VAC, 50/60 Hz, 0.36 – 0.26 A

Output power supply unit 24 VDC, 900 – 1000 mA

Input transmitter unit 18 – 36 VDC, max. 20 W

4 – 20 mA output 500 Ohm max. isolated

Relay output 1 A at 30 V DC/AC

Installation and Operation
Flange dimension Medium Path: DN50/PN10

Long Path: DN80/PN10

Extra Long Path: DN150/PN10

Optional ANSI or other on request

Alignment tolerances Flanges parallel within 1.5°

Purging of windows Dry and oil-free pressurised air or gas, or by fan

Purge flow 50 – 100 l/min (application dependent)

Visual inspection Recommended every 6 – 12 months (no consumables needed)

Remote instrument check by Ethernet connection or external modem possible

Calibration Recommended every year (against gravimetric analysis)

Validation Integrated zero and span check (EN 14181 compliant)

Laser class Class IIIb according to IEC 60825-1

CE Certified, conformant with LVD 73/23/EEC, including 93/68/EEC

EMC Conformant with directive 2004/108/EC

Explosion Protection (optional)
ATEX Cat 3 (zone 2) II 3 GD T100 °C Ex nA nC II T5

CSA Class I, Div. 2 on request

Dimension and Weight
Transmitter unit (MP, LP, XLP) 200 (plus 100 for purge unit) x 270 x 170 mm, 6.2 kg

Transmitter unit (Ex version) 200 (plus 100 for purge unit) x 270 x 310 mm, 7.9 kg

Receiver unit (MP) 300 (plus 100 for purge unit) x 120 x 120 mm, 3.9 kg

Receiver unit (LP) 380 (plus 100 for purge unit) x 120 x 120 mm, 5 kg

Receiver unit (XLP) 410 (plus 100 for purge unit) x 270 x 170 mm, 8 kg

Power supply unit 180 x 85 x 70 mm, 1.6 kg

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