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GMI Gasurveyor 526 c/w Alkaline Batteries
  • GMI Gasurveyor 526 c/w Alkaline Batteries
  • GMI Gasurveyor 526 c/w Alkaline Batteries

GMI Gasurveyor 526

The GMI Gasurveyor 500 series of instruments is the next generation developed by GMI to meet the requirements of a wide range of applications.

Includes: Harness, 4mm Hex Driver, User Handbook, 1.5m Clear Sample Line, Carrying Case, Standard Probe, Probe Handle Assembly, Sample Line Adaptor, 2 Packs of Cotton Filters.

Gasurveyor Options
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The Gasurveyor 526 combines the benefits of an accurate, dedicated Combustible Gas Indicator with the security and safety features of an Confined Space Monitor, including alarms.

The instrument has four top panel buttons and a clear display with backlighting, which allows for very user friendly operation.The well proven, extremely robust anti-static case enables the instrument to withstand the worst of operational conditions. The Gasurveyor 526 combines two methods of operation - Confined Space Monitor (CSM) & Combined Gas Indicator (CGI).

Gasurveyor 526: Search, ppm, LEL and VOL flammable ranges. Measures 0 to 1000 ppm Carbon Monoxide (CO). The Search range provides for a fast response indication of the presence of gas. The other ranges, e.g. PPM, LEL and VOL, provide an accurate measure of gas concentration.


Measures flammable gases and vapours.
Rechargeable or alkaline battery options.
Meets EN50054 and other relevant performance standards.
Approved to European and North American safety standards.
Extremely robust.
Simple to use.
Built in sampling pump as standard.
Large LCD with automatic backlighting in low level light conditions.
Audible / visual alarms for all gas ranges.
Fault alarms for low flow, low battery etc.
Probes for a wide range of applications.

Gasurveyor 500 Series Models
Sensor 511 512 521 522 523 524 525 526 531 532 533 534 536 541 542
0-100% LEL
0-100% GAS
0-1000ppm CH4
0-25% O2
0-200ppm H2S
0-1000ppm CO
Flammable LEL 0 - 100% 0.1% (0 - 9.9%)
1% (10 - 100%)
Flammable Volume 0 - 100% 1%
Flammable ppm 0-1000ppm 1ppm
0-200ppm 1ppm
CO 0-1000ppm 1ppm

GMI Gasurveyor 500 Series Specifications
Display LCD with automatic backlighting.
Humidity 0 - 100% R.H. non-condensing.
Temperature: -20° C to +50° C (-4° F to +122° F).
Alarms Highly visible flashing LED’s on display panel
Sounder in excess of 80dB(A), typically 85db(A) @ 1m.
Sampling Integral pump with flow fail sensor
Sample path is protected by a hydrophobic filter and automatic pump switch-off.
Battery 4 ‘D’ type batteries – alkaline or rechargeable battery pack.
Battery life 15 hours alkaline or 9 hours rechargeable.
Construction Moulded polypropylene case.
Rating IP54 (Dust protected and splashproof).
Conforms to standard EN 50104.
Response Time (typical) LEL Flammable: 3 secs (t50); 5 secs (t90)
Oxygen: 7 secs (t90)
Toxics: 15 secs (t90).
Certification ATEX II 2 G EEx ia d IIC T4 (Ta = -20oC to +50oC).
IECEx Ex ia d IIC T4 Gb (Ta = -20oC to +50oC).
UL Class I Groups A, B, C and D.
CSA Class I Groups ABCD C22.2 No. 152.
Dimensions 180 x 95 x 105 mm / 7.1 x 3.7 x 4.1 in.
Weight 1.7 kg / 3.75 lbs.
Gasurveyor warranty: Two years.


GMI Gasurveyor 500 Datasheet

PDF Specifications of the GMI Gasurveyor 500 Series.

Download (1.81M)
Case Gasurveyor 500 carrying case c/w inserts & label. 13405
Harness Carrying harness. 12370
Charger Standard charger c/w Universal Power Supply. 13844
Desktop Charger GS500 Desktop charger c/w Universal 12V Power Supply. 14815
Charging Station GS500 in-vehicle charger c/w Lighter Plug and Bracket. 14810
Car charger lead 12V - Standard charger only. 12988
Filter Dust filters (pack of 20). 42388

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