Pulsar 4

Infrared Thermometry for Sulphur Reactors and High Temperature Furnaces

The E2T Pulsar 4 Advanced by Advanced Energy is designed to simultaneously and continuously measure two wavelengths, allowing it to instantly report refractory temperature (RT), gas temperature (GT), and integrated temperature (FF) using a single instrument. 

The E2T Pulsar 4 is a single-channel option for directly replacing older Pulsar II models. The Advanced Energy Smart FMA Flame Measurement Algorithm accurately compensates and corrects for flame transparency in real time. Using FMA to calculate flame transparency eliminates errors caused by gas (flame) temperature, ensuring highly accurate process temperature measurements.

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  • Single-channel standard model programmable for gas or refractory measurement
  • Two-channel advanced model with simultaneous measurement of refractory and gas temperatures – separate channel analogue outputs and alarm relay set points and a channel for instant or average readings
  • Smart FMA™ Flame Measurement Algorithm (Pulsar 4 Advanced only)
  • Explosion-proof certification II 2G Ex db IIB+H2 T4, IECEx, ATEX, FM (US and CDN) plus additional regional certifications
  • Integrated power supply, capable of operating with 24 VDC/120/230 VAC
  • RS485 Interface, HART protocol (Pulsar 4 Advanced Only).

 

  • Sulphur recovery unit (SRU) monitoring
  • Thermal oxidiser monitoring.

Key Specification

Working Distance 400 m (1320′)
Flame Type Infrared monitor sensitive to all flame, including hydrogen
Field of View Available in 37.5:1, 60:1, 75:1, 150:1, and 300:1

Targeting port for target alignment

Response Time 10 ms
Sensitivity Adjustment Automatic climate compensation and manual gain for easy system setup
Status Lights Green (Flame) and red (No Flame)
Output Signal Quasar 2: 4 or 20 mA switched output (4 mA = flame and 20 mA = no flame)

Quasar 2 Advanced: Additional 4 to 20 mA

Alarm Setpoint Mechanical relay (Quasar 2 Advanced only)
Alarm Output Delay 2 s to 2 min (Std)
Intensity Indicator 20 LEDs bar
Protection Class NEMA 4X IP 66
Hazardous Classification IECEx Ex db IIB T4
ATEX II 2 G Ex db IIB T4 Canada and US-certified explosion-proof housing
Ambient Temperature -40 to 60°C with no cooling
Dimensions 12 x 33 x 12 cm (4.7 x 12.8 x 4.7 in)
Weight 12 kg (26.5 lb)
Mounting M-4 heavy-duty 360° swivel mount
Housing Stainless steel (316 L), tube dia. 114 mm, IP 66
Power Requirements 5 Watts, 24 VDC and 115 VAC / 230 VAC
Typical Applications Elevated flares – e.g., steam-assisted, air-assisted, and gas-assisted

Ground flares – e.g., burn pit flares and ground flare arrays

Off-shore flares

Staged flares

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