4-20 mA Sensors 4-20mA Velocity Peak Output Low Range PT#A-640B00 Price: $275.00 4-20mA Velocity Peak Output Mid Range PT# A-640B01 Price: $275.00 4-20mA Velocity Peak Output High Range Pt# A-640B02 Price: $275.00 4-20mA Velocity RMS Output Low Range PT# A-641B00 Price: $275.00 4-20mA Velocity RMS Output Mid Range PT#A-641B01 Price: $275.00 4-20mA Velocity RMS Output High Range PT# A-641B02 Price: $275.00 4-20mA Velocity RMS Output High Range PT# A-641B61 Price: $370.00