ZELLWEGER 2108B2001 BAS 99ATEX2259X POINT INFRARED GAS DETECTOR

ZELLWEGER 2108B2001 BAS 99ATEX2259X POINT INFRARED GAS DETECTOR 1 PCS #D7809#

 Main Specifications (Hydrocarbon Optima Plus, 2108B2001N)

• Type: Point-type infrared detector for flammable hydrocarbon gases.

• Measurement range: 0–100% LEL, applicable to a wide range of hydrocarbon gases and vapors.

• Output signal:

  • Analog: 4–20 mA (sink/source, auto-detect);

  • Digital (optional): Modbus RS‑485 or HART® over 4–20 mA.

• Power supply: 18–32 VDC, power consumption approx. 8 W.

• Housing material: 316 stainless steel.

• Response time:

  • T₅₀ < 3 s, T₉₀ < 4 s (example: methane).

• Accuracy:

  • Baseline error ±1% FSD;

  • Up to ±2% FSD at 50% of scale.

• Repeatability: ±2% FSD (at 50% of scale); linearity < 5% FSD.

 Environmental & Protection Ratings

• Operating temperature:

  • Up to +55 °C with Tₘₐₓ = 86 °C;

  • Up to +65 °C with Tₘₐₓ = 96 °C.

• Ingress protection: IP66/IP67.

 Certifications

• ATEX/UKEX: II 2 GD Ex db op is IIC Gb / Ex tb IIIC_Db.

• IECEx, UL, FM/CSA, InMetro (Brazil), EAC (Eurasian Union), CCCF (China), and more.

 Configuration and Options

• Base model: 2108B2001N – Hydrocarbon Optima Plus (no HART).

• Other variants: e.g., Ethylene (2108B2003), UL/FM versions (2108B2101 etc.).

• Accessories: weather shields, calibration interfaces (SHC1), mounting kits, adaptors, and more.

 Manufacturer

• Manufacturer: Honeywell Analytics Ltd, Poole, BH17 0RZ, United Kingdom.

• Weight: approximately 1.6–2.0 kg.

 Application & Benefits

• Ideal for harsh environments: oil & gas, refineries, terminals, gas stations, offshore, FPSO, LNG/LPG facilities, etc.

• Infrared sensing ensures:

  • high reliability,

  • resistance to sensor poisoning,

  • low maintenance costs.

 Summary for Model 2108B2001N (Hydrocarbon, no HART)

• Type: Infrared point gas detector for hydrocarbons

• Range: 0–100% LEL

• Output:

  • 4–20 mA analog,

  • Optional Modbus or HART

• Power: 18–32 VDC, ~8 W

• Housing: 316 stainless steel, IP66/67

• Temp. range: –40°C to +55/+65°C

• Response: T50 <3 s, T90 <4 s

• Certifications: ATEX, IECEx, UL, FM, CSA, InMetro, EAC, CCCF, etc.

• Weight: ~1.6–2.0 kg

  
  

  On this page you will find the user manual for Searchpoint Optima Plus with optional HART® output. Get detailed technical specifications, installation and operating instructions to ensure optimum performance and reliability.

  Manual for Searchpoint Optima Plus with optional HART® output