Honeywell 2108N4000N Searchpoint Optima Plus Gas Detectors

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Measuring Range 0-100% LEL, wide selection of Hydrocarbon gas and vapour calibrations. Different measuring ranges and solvent calibrations available for

specialist applications

Signal Output 4-20mA autosensing sink or source

Inhibit 1-3mA (Default 2mA)

Warning 0-6mA (Default 3mA *)

Fault 0mA (HART® units adjustable to 1mA)

Over Range 20-21.5mA (Default 21mA)

Digital Output Optional Multidrop Modbus RS485 (via XNX, Optional HART® over 4-20mA output (HART® version 7)

Material 316 stainless steel

Weight 1.6kg

Accuracy

Optima Plus (Hydrocarbon) Baseline < ±1% FSD, 50% FSD <±2% FSD

Optima Plus (Ethylene) Baseline < ±2% FSD, 50% FSD <±3% FSD

Repeatability < ±2% FSD at 50% FSD

Linearity < 5% FSD

Response Time T50 < 3 seconds, T90 < 4 seconds (methane)

Operational and Certified** -40°C to +65°C temperature range

**CU-TR-EX (Russia) Approval – XTC Version, Certified Temperature Range -60°C to + 65°C

Long Term Stability

(as defined in

EN 60079-29-1)

Baseline Methane 100 %LEL Range: ≤ ± 2 %FSD

Ethylene 100 %LEL Range: ≤ ± 4 %FSD

50 %FSD Methane 100 %LEL Range: ≤ ± 4 %FSD

Ethylene 100 %LEL Range: ≤ ± 5 %FSD

Drift Over Temperature

Range (-40 °C to 65 °C)

Baseline ≤ ± 2 %FSD

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50 %FSD Methane 100 %LEL Range: ≤ ± 0.131 %FSD per °C

Ethylene 100 %LEL Range: ≤ ± 0.078 %FSD per °C

Variation with Pressure 0.1% (of reading) per mbar

Power Supply 18-32Vdc (24Vdc nom), < 4.5W max

Environmental Protection IP 66 / 67

Diagnostics Via certified Hand-held Interrogator, XNX or optional HART® communications

(and Re-calibration)

Safety Approvals ATEX: Baseefa13ATEX0296X

II 2 GD Ex d op is IIC Gb Ex tb IIIC Db

T96°C (Tamb -40°C to +65°C)

T86°C (Tamb -40°C to +55°C)

IP 66/67

UL / CSA: Class 1, Div 1, groups B, C, and D (-40°C to +65°C)

IECEx: II 2 GD Ex d op is IIC Gb Ex tb IIIC Db T86°C (Tamb -40°C to +55°C) or T96°C (Tamb -40°C to +65°C) IP66/67

CU-TR-EX (Russian Customs Union) - XTC Version 1Ex d op is IIC T5/T4 Gb X (Tamb -60°C to +65°C)

Performance Approvals EN 60079-29-1 (BVS 03 ATEX G 016 X), CSA C22.2 152., FM ANSI/ISA-12.13.01.,Russian Pattern Approval (Metrology) - XTC Version ***

Functional Safety IEC61508 Safety Integrity Level 2

EMC Compliance EN 50270:2006

Software EN 50271:2010

Marine Approvals Marine Equipment Directive (MED), type approvals from DNV, BV, ABS, Lloyd’s Register

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