Diffusion Type Gas Detector DA-500+LB-1000

DA-500+LB-1000: Advanced Diffusion Gas Detection

In the realm of industrial safety, the DA-500LB-100 stands as your unwavering guardian. It detects a spectrum of combustible and toxic gases, providing peace of mind for gas producers, users, reservoirs, and by-producers. Its advanced technology converts digital signals into a 4-20mA standard current output, seamlessly integrating with PLCs, DDCs, and recorders to establish a comprehensive gas monitoring system.

Key Features:

  • Proactive Safety: Prevent accidents by detecting gas leaks in advance.
  • Advanced Signal Conversion: Digital signals transform into 4-20mA standard current output for precise monitoring.
  • Extended Signal Reach: DC 4-20mA output spans a remarkable 2500 meters, while RS-485 communication signals transmit up to 1000 meters.
  • Real-time Alerts: Stay informed with RS-485 communication signals and alarm relay contacts.

Experience superior safety and reliability with the DA-500LB-100, where precision meets performance. Your peace of mind is our priority.

Innovative Features

  1. Digital Intelligence: The built-in microprocessor powers a digital processor, infusing your gas monitoring environment with various artificial intelligent functions for convenience.
  2. Self-Diagnosis: This digital wizard automatically examines sensor signals and swiftly sends out a 2mA error signal when a sensor malfunction is detected.
  3. Calibration Made Easy: Forget about opening the front cover for calibration. With a simple touch of the magnetic bar on the cover window, you can perform corrections, making it particularly handy in explosive areas.
  4. Clear LCD Display: The LCD provides real-time gas density readings, while the backlight ensures effortless reading even in low-light conditions.
  5. User Customization: Tailor your calibration density and detection range with user programming, allowing you to craft your operating functions.
  6. Precision with A/D Converter: A built-in High Dissolution (HD) A/D converter guarantees accurate output signals.
  7. Versatile Output: Enjoy various output signals, including DC 4-20mA, 2-step relay contact, and optional RS-485, for seamless networking with a wide range of devices and equipment.
  8. Long-Distance Transmission: The 4-20mA transmitter enables stable signal transmission over impressive distances, up to 2.5 kilometers.
  9. Reliable Communication: RS-485 facilitates stable, long-distance signal communication, extending up to 1.2 kilometers.
  10. Alert System: The SPST 2-step relay contacts (AL1/AL2) provide dependable alarm outputs for heightened safety.

Experience innovation and precision with our range of advanced features. Your safety and convenience are our focus.

Technical Properties:

  • Detection Principle: NDIR (Nondispersive Infrared)
  • Gas Sampling: Diffusion Type
  • Target Gas: Combustible Gas, Toxic Gas
  • Measurement Range: %LEL, PPM, %vol
  • Response Time: Within 30 seconds, 90% of full scale
  • Accuracy: ≤±2% of Full Scale
  • Sensor Displacement: Zero - ≤±1%LEL every 6 months, Span - ≤±1%LEL every 6 months
  • User Programmable: Calibration Density, Detection Range
  • Input Power: DC 20~30V
  • Output Power: 4~20mA/Full Scale - 2.5km Transmission
  • Operating Temperature & Humidity: -30℃60℃, 595% RH (Non-Condensing)
  • Signal Cable: CVVS & CVVSB 1.5sq x 3 Wire - Shield Type
  • Wire Conduit: 1/2” or 3/4” PF, NPT
  • Installation Type: Wall or Pipe Station
  • Exterior Material: Cast Aluminum Alloy
  • Explosion-Proof: Ex d IIC T5 - Korea Gas Safety Corporation
  • Output: 2-Step Relay Contact (High/Low)
  • Communication Output: RS-485 Communication Output (optional)