4 gases detector Biosystems MultiPro By Sperian – Honeywell




Biosystems – Sperian – Honeywell MultiPro Multi Gas Detector – LEL / O2 / “Duo-Tox” (CO/H2S), Li-ion, Datalogging

Biosystems Multipro Confined Space Gas Detector

The BiosystemsMultipro Confined Space Gas Detector is a compact and efficient confined space detector. Understanding user needs and industrial applications, Sperian designed the detector with numerous features and optional accessories. The unit offers easy to read live gas readings and one button operations. The alarms are effective and unmistakable while on the site. The device is customizable and configurations are easy to adjust. With a durable casing, rubber molding, and a sleek design, the detector is the perfect handheld instrument for onsite gas detection needs.

Versatility and Customization

The gas detector is simple in design and compatible with many accessories designed to improve its versatility while allowing for user customization. Users can purchase accessories to customize the unit to fit their workplaces’ specific needs. Optional accessories include sampling pumps, calibration adapters, sample draw kits, and sample probes.

Key Features and Accessories

The BiosystemsMultipro Confined Space Gas Detector features a sleek and compact design with one button operation and an easy to read front mounted display with a backlight. An optional slip-on software controlled pump is available. The pump is powered by the BiosystemsMultiPro battery. It will indicate low flow and will perform an automatic leak test before every use. For recordkeeping, an automatic event logger and optional datalogging is available. The unit also features a Black Box recorder with over 40 hours of storage. When purchasing the detector, users will also receive.

  • an operator’s guide
  • a training CD-ROM
  • a charger for the rechargeable version
  • a clothes clip
  • a laminated quick reference guide
  • a calibration adapter
  • tubing

Sensors and Batteries

The unit is available with 3 sensors. Each sensor is user replaceable. The detector has a one button auto calibration with a calibration due reminder. The sensors are also capable of providing calibration for predictive maintenance. The confined space gas detector uses either interchangeable alkaline or rechargeable (Li-Ion) batteries. It also uses a drop-in charger while fully recharging in less than 6 hours.

Sperian Protection Instrumentation and Honeywell

Sperian Protection Instrumentation has over 50 years of industry experience in research and development. Because of its global reputation for dependable and reliable personal safety products, Honeywell announced its intent to acquire the company in 2010. Sperian Protection Instrumentation is now owned by Honeywell and has expanded Honeywell’s offerings in the personal safety industries and the American market. Sperian is world renowned for design innovation and advanced technologies. With this acquisition, Honeywell intends to carry on Sperian’s legacy of delivering innovative and advanced safety products.


Honeywell Analytics

Find the gas detection solution built for your specific needs

You rely on your workers to get the job done. And they count on you to keep them safe. Honeywell Analytics understands your commitment to safety. That’s why we offer a wide range of advanced gas detection systems and devices that provide exceptional protection at every level.  Just as important, our products come with industry-best training and support—it’s all part of our pledge to be your true partner in safety.


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)
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 (@ 70ºF/22ºC)
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
Alkaline Li-Ion
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

Standard Features Code Comments
Alkaline A MultiPro Alkaline & Li-Ion batteries are interchangeable.
Li-Ion version includes charger.
Rechargeable N
Datalogging D 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 Y Internal vibrating alarm

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
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




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