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FlexSight™ LS2000 Line-of-Sight (LOS) Infrared Hydrocarbon Gas Detector

Brand: Det-Tronics

The Det-Tronics FlexSight™ LS2000 is designed to meet challenging hydrocarbon gas detection applications. This detector delivers an impressive field of view (FOV), advanced housing design, simplified mounting and breakthrough alignment tolerance, all in a package designed with ease of maintenance, reliability and low cost of ownership in mind.
Features
  • Outstanding misalignment tolerance for high vibration and wind applications
  • Third-party documented +/-0.8 degree misalignment tolerance (+/- 2m tolerance at 120m range)
  • Performance approved with 95% obscuration
  • Heated optics for adverse environments
  • Simplified alignment and mounting reduces installation time
  • Data logger with event time and date stamping
  • exida® safety award winner
  • Multiple communication protocols, including 4-20 mA, relay, Modbus, HART, FDT®/DTM and Eagle Quantum Premier® (EQP) safety system
  • Continuous monitoring of combustible hydrocarbon gas concentrations in the range of 0 to 5 LFL-meters, over a distance of 5 to 120 meters
  • Highly visible diagnostic LED for local alarm and simple fault identification
  • HART 7, EDD, and AMS capable

Specifications

Brand

Inrush Current

  • 1 amp typical incrush current at 24 Vdc.

Transmitter Lamp

  • Xenon flashlamp, field-Replaceable module.

Warmup Time

  • 15 seconds minimum, 150 seconds Max. from power- up, depending upon alignment accuracy

Current Output

  • Linear 0-20 mA (isolated/non-Isolated) rated at 600 ohms Max. loop resistance @ 24 Vdc operating voltage
  • Levels below 4 mA indicate a fault condition. Fault output levels are user configurable

Relay Outputs (Optional)

  • Available on Ex d approved models only. Two alarm, one fault relay. Form C Type (NO/NC).
  • Contact Rating: 3 amperes at 30 Vdc

Alarm Relay Setpoint Range

  • Low Alarm: 0.5 to 4.5 LFL-meters (default = 1)
  • High Alarm: 0.5 to 4.5 LFL-meters (default = 3)

Visual Status Indicator

  • Multi-color LED on each module indicates operating status.

Available Gases

  • Third party performance approved to methane, butane, and propane

Detection Range

  • Short Range: 5-60 meters
  • Long Range: 30-120 meters

Misalignment Tolerance

  • ± 0.8 degree Min. (~ ± 56 cm @ 40 m, ~ ± 168 cm @ 120 m)

Calibration

  • LS2000 systems are span calibrated for methane, propane, or butane at the factory. Span calibration in the field is not required
  • Zero calibration can be accomplished in the field using the on-board magnetic reed switch

Response Time

  • T90: 2 seconds (5.0 LFL-meters applied)

Accuracy/Linearity

  • ± 5 % of Full Scale gas concentration or ± 10 % of applied gas concentration, whichever is greater

Repeatability

  • ± 5 %

Temperature Range

  • Operating: -55° C to +75° C (-67° F to +167° F)
  • Storage: -55° C to +85° C (-67° F to +185° F)

Humidity

  • 5 to 99 % Relative Humidity, designed for outdoor applications

Fog Performance

  • FM 6325 performance req. 4.18

Vibration

  • FM6325 and DNV Standard for Cert No. 2.4, Type B (DNV testing includes operation of alignment mounts during 4G vibration)

Measurement Range

  • 0-5 LFL-meters

Interference Resistance

  • Immune to sun and flare radiation, tested to 800 ± 50 W/m² at ≥ 3° to optical axis and common contaminants

Self-Diagnostic Test

  • Fail-Safe operation ensured by performing all critical tests once per second

Module Housing Material

  • 316 Stainless Steel (CF8M)

Conduit Entry Options

  • 3/4 inch NPT or M25, with two entries for transmitter and four entries for receiver

Optics Protection

  • Microprocessor controlled heated optics mitigate against ice and dew formation

Ingress Protection

  • IP66/67, NEMA Type 4X

Tropicalization/PCBD Protection

  • Conformal coated printed circuit boards: CTI
  • Rating of 600 V, Max. allowed by standard
  • Third party tested per ASTM -D-3638-07

Wiring

  • Field wiring screw terminals are UL/CSA rated for up to 14 AWG shielded wire, and are DIN/VDE rated for 2.5 mm² wire

Shipping Weight

  • Transmitter and receiver with mounting hardware: 85 pounds (38 kg)

Warranty

  • 5 year limited warranty from date of manufacture
  • 10 year warranty on IR source
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