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Gasman - Single gas portable detector

Tax excluded Delivery in 2-4 weeks
Data Logging
Available on order

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  • Ordinary and extraordinary maintenance
  • Installation
  • Workers training
  • Spare parts
  • Calibration
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Gasman - Single gas portable detector

Gasman - Single gas portable detector


Available on order

Choose Gasman for reliable, portable gas detection tailored to your needs. This robust, compact monogas monitor is built for the harshest environments, including oil and gas, chemicals, and recycling industries. With an IP65 rating, it ensures high shock and dust/water ingress protection. Featuring a loud 95dB alarm, vivid red/blue visual warnings, and vibration alerts, Gasman keeps you safe. Easy single-button control and backlit LCD display offer clear gas level and alarm status visibility. Weighing just 130g, it's ultra-lightweight yet durable.

Available in flammable, oxygen, and toxic gas versions with both rechargeable and non-rechargeable options. Stay compliant with 30-day pre-calibration warnings and standard event logging. Choose Gasman for dependable gas monitoring in challenging conditions.



Allarmi tipici

Ammonia (NH3) 0-1000 ppm 25 ppm
Carbon dioxide (CO2) Vol. 0,5% Vol. 0,5%
Carbon monoxide (CO) 0-1.500 ppm 30 ppm
Carbon monoxide (CO)(hydrogen filtered) 0-500 ppm 30 ppm
Chlorine (Cl2) 0-20 ppm 0,3 ppm
Chlorine dioxide (ClO2) 0-1 ppm 0,1 ppm
Ethylene oxide (ETO) 0-10 ppm 3 ppm
Flammable (LEL) 0-100% LEL 20% LEL
Fluorine (F2) 0-1ppm 0,5 ppm
Hydrogen (H2) 0-2.000 ppm N/A
Hydrogen cyanide (HCN) 0-25 ppm 5 ppm
Hydrogen fluoride (HF) 0-10 ppm 1 ppm
Hydrogen sulphide (H2S) 0-250 ppm 5 ppm
Nitrogen dioxide (NO2) 0-20 ppm 1 ppm
Oxygen (O2) Vol. 0-25% Vol. 19%/23%
Ozone (O3) 0-1 ppm 0,1 ppm
Phosphine (PH3) 0-5 ppm 0,1 ppm
Phosgene (COCl2) 0-1 ppm 0,1 ppm
Sulphur dioxide (SO2) 0-20 ppm 1 ppm
Nitrogen oxide (NO) 0-100 ppm 25 ppm

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

Response time
Flammable and toxic gas: 20 seconds; oxygen: 10 seconds
Battery life
Rechargeable lithium battery for all gas types (12 hours minimum), non rechargeable lithium battery for toxics and oxygen (up to 2 years)
Data logging
Full timed data logging with adjustable sample rate, set to 1 min. data rate as default. 900 hours storage at 1 min. interval (54,000 logs), 4800 events
-20 to 60 °C
H:90 mm L:48 mm P:24 mm
Different based on the model, max 140g
Gasman can be routinely calibrated using Portables Pro software
Toxic or O2: ATEX II 1G Ex ia IIC T4 Ga (-20°C ≤ Ta ≤ +65OC) BASEEFA04ATEX0384; IECEx BAS05.0039. Flammable: ATEX II 2G Ex ia d IIC T4 Gb (-20°C ≤ Ta ≤ +65OC) BASEEFA04ATEX0383; IECEx BAS05.0038. CSA Class 1 Groups A,B,C,D Division 1
95dB (multiple alarm options let you select distinctive tones for different alarm levels), dual colours red/blue flashing LEDs in a gas hazard, internal vibration
Classificazione IP
IP65** (heavy rain)
Optional manual aspirator
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 >