Brandt Instruments, Inc, Distributing Honeywell Biosystems MultiPro Gas Detection Instruments

Distributing Honeywell Gas Detection Instruments

Biosystems, Sperian Instruments, Honeywell, gas detectors, MultiPro, PhD6, ToxiPro, ToxiLTD, IQ Docking Stations, PosiChek3 SCBA Testing, calibration gas

Biosystems MultiPro™ Multi Gas Detector
By Sperian Instruments now Honeywell Safety Products USA
Detect up to 4 Gases Simultaneously

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Biosystems Index
.. Single Gas Portables..
.. Multi-Gas Portables

...    PhD6
   IQ Docking Stations
. .PosiChek Test Bench
. .Cal Gas & Accessories
. .Application Notes

MultiPro IQ Dock Link  

......* * * * * * * * * * * *


Honeywell MultiPro 4-gas detector in use for confined space entry

Honeywell's Biosystems MultiPro multi gas detector displays real time readings for up to 4 gases with true one-button operation (including calibration). Built in event logger capable of storing information for 20 events including sensor type, max and average readings, time and duration. Meters available with either a Li-Ion or an alkaline battery pack with run times up to 22 hours.

Reduce your calibration gas use by up to 60% and your labor expenses by cutting down on the time needed to perform calibrations. Use with the MultiPro IQ Express™ a fully automated bump test, calibration, meter diagnostics and data download center which also provides automatic record keeping..

For remote use, both manual and motorized sample draw systems are available. The MultiPro is loaded with features that are critical for working safely in confined spaces.

MultiPro IQ Express Page Link MultiPro Specifications Link MultiPro Kit Options Page Link MultiPro Configurations Page Link MultiPro Accessories Page Link MultiPro Sensors Page Link MultiPro Chargers-Datalogging Page  Link

Biosystems MultiPro Gas Detector Features & Specifications


Easy one-button operation --

The MODE button on the front of the MultiPro controls all day-to-day functions including
  • Scroll through current gas readings, MAX, STE and TWA screens
  • Initiate fresh air and span calibration sequences
  • Turn on the backlight
  • Access to Advanced Menus
MultiPro Meter with Continuous Sample Pump
MultiPro with Optional
54-49-102 Continuous Sample Pump Attached

 Sensors & Calibration --

  • Three sensors and up to four channels of direct detection. O2, LEL, and a choice of CO, H2S or Duo-Tox two channel CO/H2S sensor
  • Field replaceable sensors
  • One button auto calibration
  • Calibration due reminder
  • Sensor span reserve indicators for predictive maintenance
  • Compatible with IQ Controller and the MultiPro IQ Express

Alarms --

  • Warning, Danger, STEL and TWA alarms
  • Bright LED alarm light
  • Loud audible alarm 92dBA at one foot
  • Vibrating alarm optional

Optional slip-on motorized pump --

  • Software controlled pump
  • Powered by MultiPro battery
  • Automated pump leak test whenever the pump is attached to the instrument
  • Automatic switching between pump and diffusion modes.
Data --
  • Automatic event logger stores information for 20 events including sensor type, max and average readings, time and duration.
  • Standard black box recorder stores more than 40 hours of instrument readings .
  • Upgrade to a full datalogging instrument at any time for easy and convenient downloading to a PC.
  • Built-in IrDA port for easy communication with a PC
Compact and rugged design --
  • Exceeds IEC 1000-4-3 for level 3 RFI immunity specifications
  • Rated to IP65 against water ingress
  • Watertight, impact-resistant polycarbonate case with the added protection of an over-molded rubber boot
Long Battery Life --
  • Li-Ion rechargeable battery provides up to 22 hours of use in diffusion mode and recharges in less than 5 hours.
  • Alkaline batteries provide up to 22 hours of use between battery changes

    MultiPro IQ Express™ Calibration & Data Download Station

MultiPro IQ Express Calibration & Data Download Station

MultiPro IQ Express Bump/Calibration Station


Reduce your calibration gas use by up to 60% and your labor expenses by cutting down on the time needed to perform calibrations.

Link to MultiPro IQ Express™

Click link to Open Page


MultiPro Specifications

Size 4.5" x 2.7" x 1.7" (11.4 x 6.8 x 4.3 cm) WIthout Pump
6.8 " x 2.7" x 1.7" (1 x 7.16.8 x 4.3 cm) With Pump
Weight Alkaline:  9.9 oz. (280g)  Li-Ion:  7.8 oz. (220g)




  • UL Class I, Division 1, Groups A,B,C,D Temp Code T4
  • UL Class II, Division 1, Groups E, F, G
  • UL Class III
  • CSA Class I, Division 1, Groups A, B, C, D Temp Code T4
  • ATEX: (DEMKO) EEx ia d llC T4
  • CE: IECEx Ex ia d IIC T4
  • CQST: CE MarkCQST (China) Ex ia d IIC T4

    RF Immunity: Conforms to EN 50270 per IEC 61000-4-3

    RF Emissions: Conforms to IEC 61000-6-4
    ESD Immunity: Conforms to IEC 61000-6-2
Durability Meets IP65 water standard
Display Front-mounted LCD simultaneously displays readings for up to 4 sensor channels
Audible Alarm Loud warbling, two-tone alarm rated at 92 dBA at one foot
Visual Alarm Bright red LED alarm visible from front and sides
Display Backlight Activates with MODE button
Controls True one-button operation including automatic calibration
Housing Polycarbonate case with over molded rubber boot
Battery Options Alkaline or rechargeable Li-Ion (Lithium Ion) battery packs
Battery Life (diffusion) 22 hours with either battery pack (@ 70ēF/22ēC)
Battery Life with Pump 14-16 hours with either battery pack or the #54-49-102 Motorized Pump - Optional
Warranty Two years including battery, pump and sensors

MultiPro Configurations  

MultiPro Meter with
Sensors Installed
Battery Configuration
LEL / O2 54-48-300ADY 54-48-300NDY
LEL / O2 / CO 54-48-301ADY 54-48-301NDY
LEL / O2 / H2S 54-48-302ADY 54-48-302NDY
LEL / O2 / Duo-Tox (CO/H2S) 54-48-314ADY 54-48-314NYD


MultiPro Options (Otion code letter after the part number)

Standard Features Code Comments
MultiPro Alkaline & Li-Ion batteries are interchangeable.
Li-Ion version includes charger.
Enables the MultiPro to download recorded measurements to a PC. Datalogging software may be downloaded from Honeywell. Contact us for details.
Computer must support Infra-red IrDA to download.
Vibrating Alarm
Internal vibrating alarm

MultiPro Standard Accessories:

Clothes Clip, Operators guide, Laminated quick reference guide, Calibration adapter.
Rechargeable Li-Ion version includes charger and AC adapter.


Biosystems MultiPro Confined Space Kit CSK
MultiPro with Confined Space Case,
Calibration Gas & Accessories

MultiPro Accessories

Honeywell Biosystems MultiPro Remote Accessories
Part # Description
54-49-102 Continuous sample pump for MultiPro. Includes 10’ of sample tubing and sample probe assembly.
54-49-104 Sample draw/calibration adapter
54-49-105 Sample draw kit. Includes adapter, squeeze bulb, 10’ of tubing and sample probe assembly.
54-05-A0403 Sample probe assembly. Does not include tubing, squeeze bulb, or sample draw adapter

Honeywell Biosystems MultiPro Sensors
Part # Description Range Resolution
54-49-80C LEL Combustible gas 0 – 100% LEL 1% LEL
54-49-90 O2 Oxygen 0 – 30%/Vol. 0.1%
54-49-25 CO Carbon Monoxide 0 – 1000 PPM 1 PPM
54-49-02 H2S Hydrogen Sulfide 0 – 200 PPM 1 PPM
54-49-14 Duo-Tox Dual channel CO/H2S. 
Provides substance specific readouts for CO & H2S. 
CO: 0 – 1000 PPM
H2S: 0 – 200 PPM
54-49-19 CO-H, H2 resistant CO sensor 0 – 1000 PPM 1 PPM
Replacement Sensor Sets were discontinued by Honeywell effective Jan 1, 2015 ***
Note: We have been able to get the 1st two sets on the list, but do not know when this availablity will end
54-49-200 MultiPro sensor replacement set. O2, LEL, Duo-Tox***
54-49-201 MultiPro sensor replacement set. O2, LEL, CO***
54-49-202 MultiPro sensor replacement set. O2, LEL, H2S***


Biosystems MultiPro Sensor Set 54-49-200

Biosystems MultiPro Sensors

Honeywell MultiPro Charging & Datalogging Accessories
Part # Description
54-49-103-1 Slip-in fast charger (110 VAC) for MultiPro. Includes "wall cube" supply
54-49-103-12 Slip-in fast charger (12 VDC) for MultiPro. Includes "cigarette lighter" style adapter, and vehicle mounting hardware)
54-49-106 MultiPro Alkaline battery pack
54-49-107 MultiPro Li-Ion rechargeable battery pack
54-49-108 MultiPro BioTrak Software. Includes BioTrak software and manual
May be downloaded at no charge from Honeywell. Please contact us for details.
54-26-0603 MultiPro BioTrak Datalogger Upgrade. Software & activation codes. Serial Number required to order.
54-26-0605U Infrared communication device (USB – IrDA) - Uses one available PC USB Port.


Terms for Instrument and Accessory Returns:
NOTE: Any returns will incur the Honeywell 25% restocking fee on the list price of the item. To return any instruments or accessories you must request a Return Authorization number prior to returning anything to the factory for credit. This Return Authorization number must be prominently displayed on the outside of the shipping box. All products returned to Honeywell must be sent freight pre-paid, in new condition and in the original cartons with all unopened software, accessories and manuals. The sender is responsible for any carrier loss or damage.


WARNING! Hneywell Analytics - Biosystems equipment should only be used in conjunction with the manufacturer's instructions.
Failure to follow such instructions could result in serious injury or fatality.

MultiPro IQ Express Page Link MultiPro Specifications Link MultiPro Kit Options Page Link MultiPro Configurations Page Link MultiPro Accessories Page Link MultiPro Sensors Page Link MultiPro Chargers-Datalogging Page  Link


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