Gas Pro

Available on order
Tax excluded Delivery in 2-4 weeks

If you need a customized offer, or you can't find the configuration you need, do not hesitate to contact us.

We also offer the post sale services

  • Ordinary and extraordinary maintenance
  • Installation
  • Workers training
  • Spare parts
  • Calibration

Designed with industrial environments and fleet managers in mind, Gas-Pro offers detection of up to 5 gases in a compact and rugged solution capable of withstanding harsh environments and everyday use.

Gas-Pro has an easy-to-read top mount display combining ease of use with user focused features. The 5 gas model is given with an internal pump, activated with the flow plate, takes the pain out of pre-entry testing and allows Gas-Pro to be worn either in pumped or diffusion modes.

User friendly

  • Top mount display that makes it easy to read at a glance
  • Simple single button operation that reduces training time
  • Funzionalità intuitive
  • Intuitive functionality, Gas Pro can be used while wearing gloves


  • Monitor 5 gases from many different options
  • Pumped and diffusion solutions
  • Multiple language
  • Automatic fail safe flow plate recognition
  • Specific and unique Pre-Entry Check (PEC) mode
  • Takes away the pain of pre-testing


  • Reliable lithium-ion battery, provides over 14 hours use from a 7,5 hour charge
  • Water and dust resistant to IP65 and IP67
  • Bump and calibration reminders for a full compliance



Typical Alarms


Ammonia (NH3) 0-100 ppm 25 ppm 1 ppm
Carbon dioxide (CO2) Vol. 0-5% Vol. 0-5% Vol. 0,01%
Carbon monoxide (CO) 0-2.000 ppm 30 ppm 1 ppm
Carbon monoxide (CO) (hydrogen filtered) 0-2.000 ppm 30 ppm 1 ppm
Chlorine (Cl2) 0-5 ppm 0,5 ppm 0,1 ppm
Dual toxic (CO-H2S) H2S 0-100 ppm H2S 5 ppm H2S 1 ppm
CO 0-500 ppm CO 30 ppm CO 1 ppm
Flammable (LEL) 0100% LEL 20% LEL 1% LEL
Hydrogen sulphide (H2S) 0-100 ppm 5 ppm 1 ppm
Nitrogen dioxide (NO2) 0-20 ppm 1 ppm 0,5 ppm
Oxygen (O2) Vol. 0-25% Vol. 19%/23% VOl. 0,1%
Ozone (O3) 0-1 ppm 0,1 ppm 0,01 ppm
Sulpher dioxide (SO2) 0-20 ppm 1 ppm 0,1 ppm
Chlorine dioxide (ClO2) 0,1 ppm 0,1 ppm 0,1 ppm
Nitric oxide (NO) 0-100 ppm 25 ppm 1 ppm

Waht’s included

  • Gas Pro
  • Charger (multi-region cradle charger or multi-region power lead, based on the model)
  • Manual

Contact us for information about other possible combinations of gas sensors!

Battery life
Rechargeable Li-ion, 14 hours (13 hours pumped operation), typical charge time 7.5 hours
Data logging
125hrs at 10 second intervals (45,000 logs)
From –20°C to 55°C (from -4°F to 131°F)
H:43 mm L:130 mm P:84 mm
4 gas 309g (con pompa 340g) - 5 gas 333g (con pompa 362g)
IECEx: Ex d ia IIC T4 Gb Tamb; ATEX: II 2 G Ex d ia IIC T4 Gb Tamb; UL: Gas detector use in hazardous locations Class 1, Division 1, Groups A, B, C, and D
Audible >95dB @ 30cm (98dB @30cm in loud mode), all angle dual red/blue LEDs, vibrating alert>
Classificazione IP
IP65 e IP67
Data connection for gas test solutions and direct to PC
Multiregion power supply or charger cradle
Diffuse, internal pump as option
10 to 95% RH+

Specific References

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    How does Comastri Distribution's product delivery service work? ...

    Shipping is paid for by us and free of charge for orders over €200 by contracted express courier for shipments throughout Italy and Europe. For shipments to non-EU countries, the service will be charged on the invoice and must be agreed upon in advance with our sales department.  Find out more >

    How long does it take to deliver? ...

    We use an express courier company for shipments throughout Italy and EU countries with the following delivery times, which vary depending on the product. Within each product sheet, you will be able to see the delivery time (days or weeks). On dispatch, the tracking of the order will be shared, in order to follow the tracking of the product until the moment of delivery.

    I need the documentation, the instruction manual, the catalogue of a product or a company. Who can I contact? ...

    A customised catalogue for each product can be downloaded from the shop.

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    I have a question or problem relating to the installation/service of a product, who can I contact? ...

    The Comastri Distribution technical team is on hand to provide support

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    How does the technical assistance service work to repair faulty or defective goods?  ...

    In the event of faulty or defective goods, you can take the following steps:

    1.    Download the RMA Form

    2.    Send the form by email to

    Comastri Distribution staff will take over your case, assess your specific situation and get back to you as soon as possible.

    Once you have received authorisation for sending from the personnel in charge, you can send the equipment. All shipping information will be forwarded by Comastri Distribution personnel.

    If the material is found to be under warranty, Comastri Distribution will take care of the necessary technical assistance.

    If the material is not under warranty, a quotation for service will be sent.


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    I would like to return an item. What are Comastri Distribution's return and refund policies? ...

    We do not accept returns and/or claims unless agreed in advance with our sales department. You will have to send us an email to within 8 days of receipt of the goods, after which they will be considered accepted.

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    What is operational leasing?  ...

    Operational leasing provides the benefit of deferred payment over time, allowing the client to adapt the equipment according to its needs. It also guarantees shortened depreciation of assets, no risk of becoming obsolete at its own expense and, of course, more precise business cost planning. 

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    Which payment methods are accepted?

    The shop accepts the following payment methods: bank transfer, credit card, Paypal.

    In the event of a bank transfer, the order will be processed as soon as the payment is received by the bank. The time taken to receive the transfer may vary from 1 to 3 days.

    Using a credit card or Paypal will result in immediate confirmation of the order.

    The shop accepts the most popular credit card types: Visa, Mastercard, American Express and Discover. Go to the dedicated section for more information on payment methods

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    Is it possible to send a business order with a reference number, under the same conditions, after purchasing from the ecommerce site? ...

    First, register with your company data; you can then send us the same order on your company letterhead, which includes your order number.

    If you wish, you can contact us to agree on a different payment for orders over €1000.

    On receipt of your order in the e-shop, you will be notified of the order confirmation by email, then the payment arrangements will be processed in the client account.

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