Clegg Hammer - Impact Soil Tester Type With Fitted GPS

This Clegg Hammer, fitted with Integral Global Positioning, is ruggedly designed for checking trench re-instatement and soil strength, providing an easy and straightforward means for measuring sports surface firmness. The GPS 884 readout is clamped to the guide tube and the displayed reading is viewed from the top during use. Single button operation design provided for easy use. Confirm uniform surface hardness in football, rugby, cricket and equestrian surfaces with the Clegg Hammer, quickly identifying variations in surface firmness over wide areas. Goggle Earth? will then provide the visual location of the rest locations as yellow pins on a map. The CIST/884 Clegg Impact Soil Tester is a compact and reliable instrument. An aluminium framed transit case is supplied.
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Clegg Hammer - Impact Soil Tester Type With Fitted GPS
CIST/884 2.25 kg model



This Clegg Hammer, fitted with Integral Global Positioning, is ruggedly designed for checking trench re-instatement and soil strength, providing an easy and straightforward means for measuring sports surface firmness. The GPS 884 readout is clamped to the guide tube and the displayed reading is viewed from the top during use. Single button operation design provided for easy use.

Confirm uniform surface hardness in football, rugby, cricket and equestrian surfaces with the Clegg Hammer, quickly identifying variations in surface firmness over wide areas. Goggle Earth™ will then provide the visual location of the rest locations as yellow pins on a map. The CIST/884 Clegg Impact Soil Tester is a compact and reliable instrument. An aluminium framed transit case is supplied.



Features Integrated data logging where latitude and longitude coordinates of the test location are received by the in-built GPS. This provides users with an accurate location reference for later viewing in such formats as Google Earth™. Bluetooth™ connection provides data downloads to a PC, with the software provided.

Design: The instrument is provided with a 2.25 Kg hammer that is allowed to fall from a fixed height onto the surface under test. The sports surface hardness value is immediately displayed on the recording unit unit. The instrument runs from 2 x ‘C’ batteries for typically 12 months operation. An aluminium Transit & Storage Case is included.







CIST884 Readout Unit: The Readout Unit displays readings of firmness (Gm) on its large easy to see back lit display. It also shows the number of GPS satellites detected confirming successful GPS location fixes. Carrying out a test is quick and straightforward. The ground surface is brushed lightly with the foot to remove loose material and the guide tube is placed in position. The digital readout is located on the guide tube shown below during testing. The high gain GPS antenna receives the satellite signals. The hammer is raised to a height of 450 mm as indicated by the white line on the hammer and then allowed to fall freely onto the surface under test. The firmness or hardness value is then displayed followed briefly by a display of the number of GPS satellites in view. The automatic GPS measurement provides a Latitude and longitude fix.

Example GPS Map Pins:
When the data is downloaded to a PC the time and date of the test and the surface firmness (Gm) are shown against yellow pins in Google Earth™, as in the example below.



Specification and Ordering Code:

Model Number2.25 Kg: CIST/884/2.25KIV/Stor/Blu. 4.5 Kg: CIST/884/4.5KIV/Stor/Blu
Hammer Weight2.25 kg
Readout Display (alphanumeric)Backlit vertical display. Readout unit clamped to Guide Tube – Easy to view.
Readout RangeUp to 800 Gravities (Gm)
Power SourceLow power 3V: From two ‘C’ Cells. 12 Month typical battery life.
Battery LevelDisplayed at switch-on.
Power ‘On’ & ControlsSingle push button. Auto switch off.
Data Storage in ReadoutFlash Memory for approx 10,000 drop tests. Each stored field contains the time and date of the test, firmness and the latitude, longitude & number of satellites.
Data Transfer MethodBluetooth™ Wireless data transfer to Microsoft based PC or laptop..
Data Files when TransferredComma Separated Variable (CSV) data for manipulation in 3rd party packages such as Excel™ & KML readable by eg Google earth™. Viewable directly in Google maps™. Calculates & stores Ordnance Survey GB Eastings & Northings.
System SoftwarePC Software provided from SDi to facilitate data transfer, real time test view, time/date setting and configuration set-up. Very easy to use.
Transit & Storage CaseType CIST/ATS/15. Aluminium case for added protection in transit.
Size & Weight (approx).83 x 31 x 28 cm. Instrument weight 6.9 Kg. Packed weight in case 12.2 Kg.
GPS Accuracy / OutputTypically < than 5 metres. Google maps™, Google earth™ & Ordnance Survey GB Easting & Northing to 1m res. (eg “ST 80269 55704” & “E380269 N155704”).
GPS OperationSelectable ON / OFF by side button.


For any further information on the Clegg Hammer - Impact Soil Tester Type With Fitted GPS, please contact a member of our technical sales team on 01902 440250.
Our Code: PTCCLG105
VAT 20.00%
Min Qty:
Price ex. VAT: £2358.00
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