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Downloads available from Level Developments.

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Spencer Place
97-99 Gloucester Rd
Croydon, Surrey
CR0 2DN, England
t. +44 (0)20 8684 1400
f. +44 (0)20 8684 1422
General Information
Sensitivity Explained An html page explaining the meaning of the sensitivity specification relating to spirit levels and spirit level vials. Also a useful calculation tool for converting between degrees in decimal notation, and degrees° : minutes' : seconds"
How To Calibrate an Engineers Level A pdf document explaining how to use, zero and calibrate an engineers or frame levels. This details how you can set the level and surface perfectly level even if both are out of calibration to begin with.
Directions A pdf map of where we are. For more information on how to find us, please visit our contact page which has more details.
Product Drawings
5229/1 PDF drawing of the 5229/1 heavy duty circular spirit level.
5229/2 PDF drawing of the 5229/2 heavy duty circular spirit level.
5229/3 PDF drawing of the 5229/3 heavy duty circular spirit level.
5229/4 PDF drawing of the 5229/4 heavy duty circular spirit level.
AV30G PDF drawing of the AV30G acrylic circular spirit level vial.
AV60/2 PDF drawing of the AV60/3 acrylic circular spirit level vial.
AV60/6 PDF drawing of the AV60/6 acrylic circular spirit level vial.
AV60 PDF drawing of the AV60 acrylic circular spirit level vial.
AVF60/3 PDF drawing of the AVF60/2 acrylic circular level.
AVF80/5 PDF drawing of the AVF80/5 acrylic circular level.
AVF100/3 PDF drawing of the AVF100/3 acrylic circular level.
AVF100/5 PDF drawing of the AVF100/5 acrylic circular level.
BI25 PDF drawing of the BI25 ball inclinometer tiltmeter.
CG30 PDF drawing of the CG30 chrome plated, glass vial, circular spirit level.
CT40 PDF drawing of the CT40 circular 2 axis spirit level.
CT80/0.1 PDF drawing of the CT80/0.1 circular 2 axis spirit level 0.1mm/m.
CT80/0.3 PDF drawing of the CT80/0.3 circular 2 axis spirit level 0.3mm/m.
GP15/60" PDF drawing of the GP15/60" precision screw on instrument spirit level.
GP15 PDF drawing of the GP15 precision screw on instrument spirit level.
GPL15 PDF drawing of the GPL15 low cost screw on instrument spirit level.
PV60/5 PDF drawing of the PV60/5 plastic circular inclinometer vial.
PVF55/5 PDF drawing of the PVF55/5 plastic circular inclinometer spirit level.
PVF80/5 PDF drawing of the PVF80/5 plastic circular inclinometer spirit level.
SF55 PDF drawing of the SF55 low cost plastic screw on level.
SF56 PDF drawing of the SF56 low cost plastic screw on level.
T20 PDF drawing of the T20 precision 'T' shaped 2 axis screw on spirit level.
T50 PDF drawing of the T50 low cost 'T' shaped 2 axis screw on spirit level.
TL50 PDF drawing of the TL50 small precision screw on spirit level.
TL85 PDF drawing of the TL85 precision screw on spirit level.
Product Datasheets
APS PDF datasheet for the APS range of digital inclinometers with remote sensors.
PRO360 PDF datasheet for the PRO360 and PRO3600 digital inclinometers.
ST-D PDF datasheet for the 2-axis inclinometer board with RS-232 interface.
LSO PDF datasheet of the high precision LSO series inclinometer sensors.
DAI-20 PDF datasheet for the low cost 2-axis inclinometer sensor with PWM output.