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GM08 Gaussmeter with PC interface – ideal for a wide range of applications

The GM08 is the definitive Hirst Gaussmeter. With a Transverse Hall Probe as standard, the GM08 is suited to a wide range of applications with extra features to make operation and reports even easier. 

  • Widest range of measurements available from a hand-held Gaussmeter*
  • DC accuracy of better than ±0.5% standard probe and Gaussmeter
  • Thin semi-flexible transverse probe included
  • Wide range of probes available 
  • Remembers previously used settings
  • USB and RS232 connections allow control from PC and easy upload of data
  • Store and upload measurements, up to 100 at a time
  • Analogue output BNC compatible
  • Dot matrix display with menu drive functions
  • Powered by 4x AA cells
  • External power connection also available 
  • UK Delivery: 5 to 7 working days from purchase
  • EU and Rest of World Delivery: 7 to 10 working days from purchase


The GM08 Gaussmeter is the best device for those needing to measure magnetic field strength and magnetic flux density regularly on a daily basis, or those who just wish to take the difficulty out of reporting procedures.

With a Hirst Gaussmeter, you can rely on a product that has been developed with durability, precision and usefulness as core qualities. The GM08 is robust enough for rugged shop floors and accurate enough for laboratory use. The ability to drive the GM08 via PC also means you can use the Gaussmeter as a desktop device or quickly download or upload data with minimum hassle. With a one year guarantee and calibration certificate included, the GM08 Gaussmeter is ready to use and simple to operate.

Some example applications include:

  • Computer disk Drive Actuators
  • Loudspeaker Air Gaps
  • Electric Motor air gaps
  • Magnetic ‘strength’ testing for food industry separators
  • Spot checking magnetic field strength for Nondestructive testing (magnetic particle inspection)
  • Verifying compliance with IATA, IACO and FAA regulations on magnetism from packages to be shipped by air with AFG100 Fluxgate probe
  • Non destructive Testing (Magnetic) with Rugged Transverse Probe option TP002R
  • Goods inward and Quality Assurance Inspection
  • Magnet calibration
  • Transformer Stray Field measurements
  • Measuring 5 gauss lines for hospital based MRI (NMR) devices
The GM08 is ideal for a wide range of applications. If you do not see your desired application on the list, or to ensure the GM08 is right for you, please do not hesitate to contact us.

The GM08 is an advanced version of the GM07 Gaussmeter. With external connections and the ability to connect to PC, the GM08 is a hand-held Gaussmeter with a wide range of functions and applications at great value. 

The GM08 comes with the TP002 Transverse Hall Probe as standard, however, you may need an additional probe to suit your application. See our range of transverse and axial probes here.


GM08 Features 

Unit Conversion – Measurements can be taken in any of the magnetic units. Saved and Held readings can be automatically converted between measurement units.

Remote PC control – The GM08 offers the unique ability to remote -control the Gaussmeter through a PC via USB or RS232

Non-Volatile memory – Any settings and recorded measurements are automatically stored to ensure that every time you switch the Gaussmeter on, it is ready to use with the same settings as previously used.

Holding and Storing measurements – a unique feature on the GM08 allows users to HOLD or STORE measured values. Users can set the hold or store functions in GM08 menu and press the conveniently situated button on the Hall probe to capture the reading without looking away from the area of concentration. In the STORE setting, The GM08 can record up to 100 measurements. These values can later be RECALLED, either on the Gaussmeter or via USB/RS232 with the GM08.

Easy reports - The GM08 has the added advantage of storing and uploading not only the measured values, polarity, measurement units and measurement function, but also the time at which the measurement was taken. Data can easily be downloaded to excel, open office spreadsheets, or to a CSV format file, taking the hassle out of creating records.

Battery save – The operator can disable or select various times for the automatic POWER DOWN. Power downs always give warnings, which can be stopped.

Zeroing – When the Gaussmeter needs to be zeroed, a zero flux chamber and instructions are provided for easy nulling. Two simple routines can reset the Gaussmeter reading to zero or relative zero to the range you are on.


Full Measurement Range

Normal Sensitivity Probe

TP002 (supplied)

AP002 (option)

High Sensitivity Probe

TP002HS (option)

AP002HS (option)

Fluxgate Probe


AFG100 (option)

TeslaGaussAmp/mOersted
Range 1

3.000 T30.00 kG2388 kA/m30.00 kOe
Range 2

300.0 mT3.000 kG238.8 kA/m3.000 kOe
Range 3Range 1
30.00 mT300.0 G23.88 kA/m300.0 Oe
Range 4Range 2
3.000 mT30.00 G2.388 kA/m30.00 Oe

Range 3
300.0 µT3.000 G238.8 A/m3.000 Oe


Range 199.99 µT
999.9 mG79.60 A/m999.9 mOe


Range 29.999 µT
99.99 mG7.960 A/m99.99 mOe


Range 3999.9 nT9.999 mG796.0 mA/m9.999 mOe


Range 499.99999.9 µG
79.60 mA/m999.9 µOe


Accuracy

With Hirst products, you can expect excellent reliability and accuracy. During manufacture, the accuracy of nuclear magnetic resonance is used to determine the irregularities and non-conformities of the GM08 and GM07 with the Hall Probe. This data is stored and used mathematically to automatically correct readings taken by the GM08 and GM07. This enables very linear and accurate measurements to be obtained. Every GM08 and GM07 comes with a certificate of calibration valid for one year.


Repeatability±0.1%
Margin for change over repeated measurements
Traceability ±0.8%
Calibrated to standards traceable to the National Physical Laboratory 
Accuracy ±0.5%
Margin of difference from true reading, probe AND Gaussmeter

Software 

Specialized software comes as standard on CD with your Gaussmeter pack. It can also be downloaded. The software, which is compatible with Windows, allows the user to control the Gaussmeter remotely, export measurements and stored data via USB or RS232 interfaces. Data can be exported to Excel or OpenOffice spreadsheets or to a CSV format file. 


Express Service 

* Please note that our express service does not include the standard shipping prices which will be invoiced separately. This service is to cover the cost of expediting the manufacturing process and dispatching to you within 48 hours. This service is subject to stock and availability at the time of purchase. Please contact us before using this service to ensure availability.


  • Meter
  • Standard Transverse Hall Probe
  • Probe protection
  • Zero Flux Can
  • RS232 Interface Cable
  • USB Cable
  • BNC Adaptor Plug
  • CD Software
  • Manual
  • Calibration Certificate
  • Case
Accuracy
Repeatability ±0.1% Margin for change over repeated measurements
Traceability ±0.8% Calibrated to standards traceable to the NPL National Physical Laboratory (UK)
Accuracy ±0.5% Margin of difference from true reading, probe AND Gaussmeter.
Full Specifications
Frequency Range DC and 15Hz to 10 kHz (-1%)
Display Rate 3 readings per second
Functions DC, DC Peak, AC RMS, AC Peak, AC Max
Display Dot Matrix Graphics LCD
Memory Type Non-volatile
Temperature Coefficient Better than ±0.1% of reading/ºC including probe
Battery Type 4x AA cells, longlife, 1.5V Alkaline (not supplied)
Optimum Operating Temperature 0ºC – 50ºC (30ºF - 125 ºF)
Optimum Storage Temperature 20ºC – 70ºC (70ºF – 150ºF)
Language Modes English, French, German, Italian, Portuguese, Spanish
GM08 Advantages
USB and RS232 Used for data transfer and remote PC control. USB 1.1 compliant.
Analogue Output ± 3 Volts full scale - linearised
Time Keeping Stored data is time and date stamped
External PSU Socket Requirement Included -5V/6V (100 - 500 mA) External PSU not supplied

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GM08 Gaussmeter with Transverse probe

  • £650.00 + VAT* + Shipping

    * Where applicable

Package Contains

  • Meter
  • Standard Transverse Hall Probe
  • Probe protection
  • Zero Flux Can
  • RS232 Interface Cable
  • USB Cable
  • BNC Adaptor Plug
  • CD Software
  • Manual
  • Calibration Certificate
  • Case

Available Options


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