SPI Electronic Measuring Probes

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SPI

SPI Electronic Measuring Probes

  • New series of half bridge probes has been designed to make them compatible with most other brands of amplifiers
  • Adaptability to other amplifiers is accomplished by a switchable bridge in the connector
  • Measuring piston moves on 32 ball bearings and has roller guide for radial stability
  • Hard-chrome plated 8 mm dia. stem
  • Contact point with 2.5 mm dia. carbide ball and 2.5 mm thread
  • Connector with 6-1/2 ft. cable


Specifications:

Part Number Model Measuring Travel Pre & Post-Travel Repeatability Linearity Measuring Force
31-880-8 2940 ±0.079" ## 0.00000078" 0.3% 2.11 oz.
31-881-6 2922 ±0.040" ### 0.00000078" 0.3% 2.11 oz.
31-882-4 2921 ±0.040" ### 0.00000078" 0.3% 2.82 oz.
31-884-0 2928 ±0.040" ## 0.00000078" 0.3% 2.11 oz.
31-885-7 2970 ±0.118" ### 0.000019" 0.5% 2.82 oz.


## - Pre-travel adjustable to max. 0.043", post-travel adjustable to max. 0.094"
### - Pre-travel factory set to 0.023", post-travel set to 0.094"


30-299-2 - 1 Reduction Bushing 8 mm to 3/8" dia.