Gas Pro

Gas Pro

Tax excluded Delivery in 2-4 weeks
Available on order

Custom requests

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

Gas Pro


Available on order

Gas-Pro is a robust industrial detector that identifies up to 5 different gases in a compact unit designed to withstand harsh environments. With an easy-to-read top display, it offers simple one-button operation and versatile usage with either pump or diffusion modes. It ensures reliability with a long-lasting battery, resistance to water and dust, and intuitive features like automatic flow regulator recognition.

Ideal for accurate gas monitoring.



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

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

    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.

    For any other documentation, instruction manuals or product and company catalogues not available through the site, please contact us. We will be happy to send you the material you are looking for.

    Request material >


    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

    Contact us for assistance >

    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 service@comastridistribution.com

    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.


    Contact us >

    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 info@comastridistribution.com within 8 days of receipt of the goods, after which they will be considered accepted.

    Further information >

    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. 

    How can I request a quote for operational leasing?  ...

    To request a quote for operational leasing, simply fill in our forum, and you will be emailed immediately

    Download the free quotation tool >

    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

    Find out more >

    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.

    Find out more >