Infrared Temperature Measurement | Combustion & Environmental Monitoring

Model 4500 MkIII Compliance Opacity and Dust Monitor

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Technical Details

Measuring System
Technique: Cross stack, double p transmissometry
Operating Wavelength: 520 ±20 nm
Light Source: Pulsed High Intensity LED
Range: Opacity 0 - 10 % to 0 - 100 %
Optical Density 0 - 0.1 to 0 - 3.0
Dust Density 0 - 10 to 0 - 10 000 mg/m3
User Selectable
Calibration Error: ± 1.5 % Opacity
Drift (long term): < 0.3 % Opacity / month
Thermal Stability: 0.6 % opacity / 22 °C ambient change
Resolution: 0.1% Opacity; 0.001 Optical Density; 0.1mg/m³ Dust
Angle of projection: <2°
Angle of view: <2°
Response Time: ≤10 s to 95 %
Installation pathlength: 0.5 to 10 m / 20 in to 32 ft (extended pathlengths to 15 m available)
Calibration: Automatic Zero and upscale calibration
Selectable period 1 to 24 hours in 1 hour steps
Zero Correction: Automatic correction for zero drift
Averaging: Selectable from 10 s to 24 hr (1 s increments)
Control Panel
Display: 128 x 64 pixel reflective backlit LCD
Keypad: 4 keys for data input
Indicators: Power, System OK, Alarm, Calibration
Environmental
Operating Temperature: -40 to +55 °C / -40°F to +131 °F
Max Flue Gas Temp.: 600 °C / 1112 °F
Max Flange Temp.: 200 °C / 392 °F
Sealing: IP65 / NEMA4X
Outputs
Modbus Interface: RS485. Opacity, Optical Density, Dust Density
and Status information available
Analogue outputs: Isolated 4 to 20 mA Configurable as Opacity,
Optical Density, Dust Density
Relay outputs: System OK, Calibration, Alarm
Relay rating: 1 A @ 24 Vdc
Electrical
Power Supply: 24 Vdc nominal (18 to 30 Vdc)
Current Consumption: 0.3 A nominal (3 A startup)
Electrical Safety: IEC / EN 61010-2
EMC: EN 50 081 & EN50 082
Mechanical Data
Transceiver: (HxWxD) 191 x 201 x 413 mm / 7.5 x 7.9 x 16.3 in
Retro-reflector: (HxWxD) 191 x 201 x 237 mm / 7.5 x 7.9 x 9.3 in
Weight Transceiver: 6 kg / 13.2 lbs
Weight Retro-reflector: 3 kg / 6.6 lbs
Enclosure
Transceiver / Retro-reflector: Cast Aluminum, epoxy coated
Optional Accessories
Air Blower units
Automatic Fail-Safe Shutters
Weather Covers
Remote Control Room Unit
Adaptor Flanges
Additional outputs available
 
Approvals: EN15267-1, EN15267-2, EN15267-3, EN13284-2
Performance Specifications: QAL1, US EPA PS-1, ASTM D6216, US EPA Procedure 3
Continuous Product Development may make it necessary to change these details without notice.