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Product Features
  • Dual IR sensor
  • Measures gas in high %vol as well as %LEL concentration
  • Auto-ranges switch between %vol and %LEL measurement
Delivery options

At Cadmus Products we aim to deliver orders efficiently and at highly competitive rates. 

  • We can ship consignments of all shapes and sizes and hazardous content across the UK and worldwide. Most of our orders are sent via DHL, however sometimes we may use other couriers.
  • If you are purchasing a laboratory product online you can find out the price of shipping checkout. If you are obtaining a quote for a product, then we will email you
    with our best shipping prices along with your quote.
  • Please see our delivery page for full information
The Crowcon Gas-Pro TK dual range portable monitor measures the concentration of flammable gas in inerted tanks. Available for methane, butane and propane, the Gas-Pro TK uses a dual IR sensor – the best technology for this specialist environment, which means Gas-Pro TK dual IR:

  • Isn’t inhibited by high hydrocarbon concentrations unlike catalytic bead sensor;
  • measures gas in high %vol as well as %LEL concentration, which single IR sensors can’t;
  • auto-ranges switch between %vol and %LEL measurement, so always operating to the correct parameter.

Gas-Pro TK keeps you up-to-the-moment with oxygen concentrations in the tank; telling you when the oxygen levels are;
  • low enough to load and store fuel safely;
  • high enough for safe tank entry.

Tanks can be sampled quickly from their top, middle or base, due to an integrated pump which draws samples through a line up to 30m long.

Offering detection of up to five gases in a compact and rugged solution, Gas-Pro TK has an easy-to-read top mount display, combining ease of use and user-focused features. At 340g, it is light enough to clip to your belt or overalls, so it easy for the technician to keep with them during their working day.

Personal protection monitor

Gas-Pro TK is an extension of the Gas-Pro range. Therefore, in addition to its superb tank check capabilities, it also offers the full personal gas detection and confined space pre-entry check functionalities provided by other Gas-Pro detectors.
Size 43 x 130 x 84mm (1.7 x 5.1 x 3.3ins)
Weight 340g (11.9oz)
Alarms Audible 95dB
Visual – all angle dual red/blue LEDs
Vibrating alert
Display Bright top mounted display can be viewed while worn
Data logging 125hr at 10-second intervals (45,000 logs)
Event logging 1000 events
Battery Rechargeable Li-ion, 13 hour typical runtime (4 sensors, pump running)
Typical charge time 7.5hr
Sampling Internal pump with 30m draw
Operating temperature -20°C to +55°C (-4°F to +131°F)
Humidity 10 to 95% RH non-condensing
Ingress protection Independently tested to IP65 and IP67
Approvals IECEx: Ex db ia IIC T4 Gb Tamb -20°C to +55°C
ATEX: II 2 G Ex db ia IIC T4 Gb Tamb -20°C to +55°C
UL: Class 1, Division 1, Groups A, B, C, and D UL 913, UL 60079-0 and UL 60079-11
INMETRO: Ex db ia IIC T4 Gb Tamb -20°C to +55°C
Marine Equipment Directive: MED 1500009
Compliance FCC and CE. Complies with EMC Directive 2014/30/EU, EN50270 and EMC FFC CFR 47 Part 15, ICES-003
Crowcon Connect Compatible? Yes
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