Seco 40 Minute Heads-Up Level 5001-20 Schonstedt Instrument Co the system is pre-calibrated for

the system is pre-calibrated for accurate use out of the box

585 BTU of heat

Q7: What happens if the sonde signal is lost during use

Telescoping range from 1

Seco 40 Minute Heads-Up Level 5001-20 Schonstedt Instrument Co the system is pre-calibrated forSeco Heads Up Rod Level The Original This innovative tool gives the user an added sense of safety while doing routine surveys in traffic areas. The surveyor no longer needs to look down while traffic is flying by. They can simply look through the side window. This allows the users to keep their surveying partner in sight for faster surveying. It opens up to a maximum of 1. 25". The heads up level is right reading too, nothing is reversed. It's a great