GENERAL SPECIFICATION
| Measuring Technique | Double pass transmissometry |
| Operating Wavelength | 520 ± 20 nm |
| Light Source | Pulsed High Intensity LED |
| Measurement Range | Opacity 0-10 % to 0-100 % ; Optical Density 0 – 0.1 to 0-3.0 ; Dust Density 0-20 to 0-1000 mg/m3 (at 5 m pathlength) |
| Calibration Error | 1.5 % opacity |
| Thermal Stability | 1.0 % opacity / 22 °C ambient change |
| Angle of Projection | < 3 ° |
| Angle of View | < 3 ° |
| Response Time | ≤10 s to 95 % |
| Averaging | Selectable from 10 s to 24 hr (1 s increment) |
| Pathlength | 0.5 to 10 m / 20 in to 32 ft (extended) |
| Control Panel Display | 128 x 64 pixel reflective backlit LCD |
| Control Panel Keypad | 4 keys for data input |
| Control Panel Indicators | Power, System OK, Alarm, Calibration |
| Operating Temperature | -40 to 55 °C / -40 to 131 °F |
| Max. Flue Gas Temperature | 600 °C / 1112 °F |
| Max. Flange Temperature | 200 °C / 392 °F |
| Electrical Safety | IEC / EN 61010-2 |
| EMC | EN 50 081 & EN50 082 |
| Sealing | IP65 / NEMA4X |
| Modbus Interface | RS485; Opacity, Optical Density, Dust Density and Status information available |
| Analog 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 |
| Power Supply | 24 Vdc nominal (18 to 30 Vdc), 0.3 A nominal (3 A startup) |
| Transceiver Dimensions (H x W x D) | 191 x 291 x 413 mm / 7.5 x 7.9 x 16.3 in |
| Retro-reflector Dimensions (H x W x D) | 101 x 201 x 237 mm / 7.5 x 7.9 x 9.3 in |
| Transceiver Weight | 6 kg / 13.2 lbs. |
| Retro-reflector Weight | 3 kg / 6.6 lbs. |
| Enclosure | Cast Aluminium, epoxy coated |
| Approvals | EN 15267 certified by TUVdotCOM |
