Interchangeable with Revere model CSP1 and TI model 692. 
2 mv/v. 0.03% nonlinearity, 450/480 ohm, 35ft 4 cond cable, stainless steel, IP67. 
NTEP 95-134 S III 3,000 div 
NTEP 95-134 M III 5,000 div 
NTEP 95-134 S IIIL 6,000 div 
NTEP 95-134 M IIIL 10,000 div
 
            
