Warmbier 7220.900 Backrest Probe is used to take accurate resistance measurements of ESD chairs.

The Warmbier 7220.900 Backrest Probe is designed to evaluate ESD chair back-rests according to ANSI ESD20.20. The clamp ensures excellent contact on the chair backrest during resistance-to-ground measurements. The rugged clamp is fitted with conductive contact points and an insulating handle. The connection point is a 4mm banana plug socket.   

• Ensures Excellent Contact During Evaluations of ESD Chairs
• Rugged Metal Probe
• 4mm Banana Plug Socket Connection
• For Use With Resistance Meters

Use the backrest probe with a surface resistance meter, such as the Metriso B530, to properly test ESD gloves.