Our flagship Model 870s hay moisture meter for large square balers, available with numerous options for mounting and comes equipped with a user-friendly touch screen terminal. • Isolate potential hot spots as you bale • Automatically marks high moisture bales • Bale without having to stop to check moisture levels • Measures: Instantaneous (now), Maximum (peak) and Average moisture The most accurate hay moisture gauge on the market. If using an 870s with an early model steamer, please also add the 870 steamer extension cable to your order.