MICRO-SET MSD2

Prover sphere detector for the oil and gas industry

  • Ball prover detector switch with enhanced repeatability in excess of API Chapter 4, for greater control on metering accuracy
  • One model fits all prover pipes from diameters 3...36"
  • Quick change-out, no need for prover re-calibration
  • With stainless steel wetted parts, suitable for most products

MICRO-SET MSD2 prover sphere detector

MICRO-SET MSD2 prover detector switch

The MICRO-SET MSD2 prover sphere detector is a mechanically activated position sensor for signalling the passage of a meter prover sphere. The unit is bolted to the prover loop pipe by means of a mounting boss, this allows the MICRO-SET MSD2 plunger to protrude through the pipe wall and the prover sphere depresses the plunger as it passes. The plunger is fitted with magnets which actuate a fully encapsulated SPST reed assembly and accurately signals the sphere position within the prover.

The MICRO-SET MSD2 ball prover detector switch features a single mechanical moving part: a pressure balanced plunger/piston with no dynamic seals. The plunger is 100% bi-directional and fully nickel PTFE coated to prevent wear from abrasive particles and ensure optimum long life.

Product highlights

  • Improved full assembled device switch point repeatability of ± 0.01mm / ± 0.0004”
  • Available with Ex(d) junction box, cable gland and mounting boss
  • ATEX EX(d) and IECEx hazardous area approvals
  • In situ cleaning/flushing option for crude oil with a high wax and/or sediment content is possible
  • Available in two standard designs: ANSI 600 rated and ANSI 1500 rated
  • NACE MR 01-75 compliance
  • Retrofit model for replacing other types of detector available

Typical applications

Oil and gas industry

  • Prover sphere detection in bi-directional and uni-directional ball provers
  • Prover sphere detection in ball provers for NGL metering systems