|Discount on quantity|
- Both positive & negative graduations marked.
- Monitors to ±1.00mm accuracy.
- Fine red crosshair allowing accurate estimation to 0.25mm.
- Crack recording sheets are supplied with each unit to allow accurate recording of movement over a period of time.
- Please note that Avongard Crack Monitors can be left in place to record movements across cracks for many years if used in normal ambient conditions.