FeaturesHandheld non-contact measurement of object surface voltage.Measurement accuracy: within the entire probe-to-surface distance range of 5 mm to 250 mm, the full-scale error is ±5%.Uses a USB-powered rechargeable battery; a full charge provides approximately 6-8 hours of use.Supports functions such as parameter setting and mode setting.Parameter setting functions: including administrator setting of early warning values and alarm thresholds; when thresholds are exceeded, the alarm text is displayed in a highlighted format.Product InformationParameter ItemContentProduct NameHandheld Non-con...