Honeywell Series 3000 MKII & MKIII Gas Detector

  • Cost-effective
  • Wide range of sensors
  • Non-intrusive configuration

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The Honeywell Series 3000 range of transmitters comprehensively monitors toxic and Oxygen gas hazards in potentially explosive atmospheres. Suitable for mounting indoors and out, they are available in two versions and offer Searchline Excellent versatility. The Series 3000 MkII is contained in a flameproof housing, has an intrinsically safe sensor connection and is for use in predominantly Zone 1 applications. However, with the help of the optional remote mounting kit, the sensor of the Series 3000 MkII can be mounted in a Zone 0 environment.

The Series 3000 MkIII is for use with a separate suitable IS barrier (to be ordered separately), allowing the complete transmitter to be used in Zone 0 applications.

These low-powered gas detectors all feature a loop-powered 4-20mA connection, making them ideal for both new and retrofit installations. Users can configure the detector through the easy-to-read LCD and intuitive interface, while fault diagnostic software and a programmable calibration period greatly simplify maintenance procedures.

The intrinsically safe smart sensors are supplied pre-configured and can be ‘hot swapped’ without having to remove power to the detector, saving time and money during commissioning and routine servicing. A remote sensor mounting kit allows the sensor to be mounted up to 50’ (15m) from the transmitter, making it ideal for operation in areas that are difficult to access.

Series 3000 MkII and Mk III are supplied with all necessary accessories for easy installation. The detector has four mounting lugs for surface mounting and an optional pipe mounting kit. The electrical installation can be made using either conduit or cable with suitable mechanical protection. Available in painted Aluminium LM25 or Stainless Steel 316 with two ¾” NPT entries or two M20 entries with a suitable blanking plug (certification type dependent) included as standard. A weatherproof cap is also included for use in the harshest outdoor conditions.

Reduced installation costs

  • Integral surface mounting lugs
  • Optional horizontal or vertical pipe mounting bracket
  • A flameproof transmitter allows field wiring to be run along with other non-IS instruments
  • Plug-in sensor removes wiring
  • Can be retrofitted in place of Series 2000

Reduced commissioning costs

  • Sensor recognition feature auto-configures transmitter
  • Non-intrusive configuration
  • Plug and play factory configured sensors

Reduced maintenance costs

  • IS sensor connection permits hot swap, reducing downtime
  • User programmable calibration frequency
  • Integral fault diagnostic software
  • Menu/icon-driven calibration procedure

Regulatory compliance

  • European (ATEX)
  • US (UL)
  • Canadian (c-UL)
  • International (IECEx)

Range of optional accessories

  • Remote sensor mounting kit
  • Duct mounting kit (for H2, CO and H2S only)
  • Calibration cup to apply test gas
  • Collecting cone

Typical applications

  • Exploration and drilling platform
  • Production platforms
  • Onshore oil and gas terminals
  • Refineries and chemical plants
  • Power plants
  • Wastewater facilities
  • Utilities

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Title Size
Series 3000 MkII MkII 1 MB
Series 3000 MKII_Manual 4 MB
Series 3000 MKIII Manual 5 MB
Series 3000 Sensor Rationalisation 157 KB

Ordering Information

ATEX/IECEx Approved

S3KAL2 ATEX/IECEx approved Series 3000 MkII toxic and oxygen transmitter, Aluminium LM25 and 2 x M20 entries
S3KAS2 ATEX/IECEx approved Series 3000 MkII toxic and oxygen transmitter, Stainless Steel 316and 2 x M20 entries

UL/c-UL Approved

S3KUL2 UL/cUL approved Series 3000 MkII toxic and oxygen transmitter, Aluminium LM25 and 2 x 3/4″ NPT entries
S3KUS2 UL/cUL approved Series 3000 MkII toxic and oxygen transmitter, Stainless Steel 316 and 2 x 3/4″ NPT entries

ATEX/IECEx Approved

S3KAL3 ATEX/IECEx approved Series 3000 MkIII toxic and oxygen transmitter, Aluminium LM25 and 2 x M20 entries
S3KAS3 ATEX/IECEx approved Series 3000 MkIII toxic and oxygen transmitter, Stainless Steel 316 and 2 x M20 entries

UL/c-UL Approved

S3KUL3 UL/cUL approved Series 3000 MkIII toxic and oxygen transmitter, Aluminium LM25 and 2 x 3/4″ NPT entries
S3KUS3 UL/cUL approved Series 3000 MkIII toxic and oxygen transmitter, Stainless Steel 316 and 2 x 3/4″ NPT entries

Serviceable Sensor (316 Stainless Steel)

S3KXSO1SS Oxygen 0-25%v/v
S3KXSC1SS Carbon Monoxide 0-300ppm (100 to 500ppm, 100ppm)
S3KXSC2SS Carbon Monoxide 0-300ppm (100 to 999ppm, 100ppm)
S3KXSH1SS Hydrogen Sulphide 0-15ppm (10 to 50ppm, 1ppm)
S3KXSH2SS Hydrogen Sulphide 0-100ppm (50 to 500ppm, 10ppm)
S3KXSL1SS Chlorine 0-5.0ppm (5.0 to 20.0ppm, 5.0ppm)
S3KXSS1SS Sulphur Dioxide 0-15.0ppm (5.0 to 20.0ppm, 5.0ppm)
S3KXSX1SS Chlorine Dioxide 0-1.00ppm
S3KXSM1SS Nitrogen Monoxide 0-100ppm
S3KXSN1SS Nitrogen Dioxide 0-10.0ppm (5.0 to 50.0ppm, 5.0ppm)
S3KXSG1SS Hydrogen 0-1000ppm
S3KXSG2SS Hydrogen 0-10,000ppm
S3KXSR1SS Hydrogen Chloride 0-10ppm (10.0 to 20.0ppm, 1.0ppm)
S3KXSY1SS Hydrogen Cyanide 0-30.0ppm
S3KXSF1SS Hydrogen Fluoride 0-12.0ppm (Fixed Scale)
S3KXSA1SS Ammonia 0-200ppm (50 to 200ppm, 50ppm)
S3KXSA2SS Ammonia 0-1000ppm (200 to 1000ppm, 50ppm)
S3KXSP1SS Phosphine (PH3) 0-1.2ppm (Fixed Scale)
S3KXSU1SS Fluorine 4ppm
S3KXSE1SS Ethylene Oxide (ETO), 25.0ppm (20.0 to 50.0ppm)

Accessories, Consumables and Spares

SPXCDMTBR Mounting bracket (inc. bolts, nuts, brackets)
SPXCDSDP Sunshade / Deluge Protection
S3KCAL Calibration cup (flow adapter) for Series 3000 and XNX EC toxic sensors
S3KCC Collecting cone (for Series 3000 & XNX EC toxic sensors)
S3KDMK Duct mounting kit for Series 3000 and XNX EC toxic sensors
S3KRMK Remote mounting kit for Series 3000 and XNX EC toxic sensors inc sensor connection unit fitted with 15m cable and connection plug for tx
S3KRMK45 Remote mounting kit for Series 3000 and XNX EC toxic sensors inc sensor connection unit fitted with 45m cable and connection plug for tx
S3KRMK75 Remote mounting kit for Series 3000 and XNX EC toxic sensors inc sensor connection unit fitted with 75m cable and connection plug for tx
SGPTPRMTL1 Single channel zener barrier MTL7728+
SGPTPRMTL2 2 channel zener barrier MTL7787+
SGPTPRMTL3 Galvanic Isolator MTL 5042
SGPTPRPFG1 Galvanic Isolator P&F KFD2-STC4-EX1
90068-A-8204 Gassing Block 316SST. 6mm O/D Connector to Sensor and 6mm Tube Connector to Gas Bottle
90068-C-8290 PTFE Tubing 6mm O/D x 4mm I/D.
90068-C-8291 PTFE Tubing 8mm O/D x 6mm I/D.
90068-C-8292 Soft PVC Tubing 8mm O/D x 5mm I/D.
ADU300429 Adaptor, ATEX, Ex d e, 316SS, M20 (male) to 1/2″NPT (female)
RDU303029 Reducer, ATEX, Ex d e, 316SS, 3/4″NPT (male) to 1/2″NPT (female)

Cell Exchange Kits

S3KO1SS Oxygen 0-25%v/v
S3KC1SS Carbon Monoxide 0-300ppm (100 to 999ppm, 100ppm)
S3KH1SS Hydrogen Sulphide 0-15ppm (10 to 50ppm, 1ppm)
S3KH2SS Hydrogen Sulphide 0-100ppm (50 to 500ppm, 10ppm)
S3KL1SS Chlorine 0-5.0ppm (5.0 to 20.0ppm, 5.0ppm)
S3KS1SS Sulphur Dioxide 0-15.0ppm (5.0 to 20.0ppm, 5.0ppm)
S3KX1SS Chlorine Dioxide 0-1.00ppm
S3KM1SS Nitrogen Monoxide 0-100ppm
S3KN1SS Nitrogen Dioxide 0-10.0ppm (5.0 to 50.0ppm, 5.0ppm)
S3KG1SS Hydrogen 0-1000ppm
S3KG2SS Hydrogen 0-10,000ppm
S3KY1SS Hydrogen Cyanide 0-30.0ppm
S3KF1SS Hydrogen Fluoride 0-12.0ppm (Fixed Scale)
S3KR1SS Hydrogen Chloride 0-10ppm (10.0 to 20.0ppm, 1.0ppm)
S3KA1SS Ammonia 0-200ppm (50 to 200ppm, 50ppm)
S3KA2SS Ammonia 0-1000ppm (200 to 1000ppm, 50ppm)
S3KP1SS Phosphine (PH3), 1.2ppm (Fixed Scale)
S3KU1SS Fluorine 4ppm
S3KE1SS Ethylene Oxide (ETO), 25.0ppm (20.0 to 50.0ppm)
S3KDM Replacement display module
S3KTM Replacement terminal module
S3KDM3 Mk III Replacement display module
S3KTM3 Mk III Replacement terminal module
S3KWP Weatherproof housing with bump test port for use with Series 3000 and XNX EC toxic sensors
SPXCDMAG Magnet
SPXCDHWES Hex wrench for earth screw
SPXCDEBS Earth Bracket and Screws
S3KM20P M20 Blanking Plug
S3KNPTP 3/4 “NPT Blanking Plug

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