---
kind: "section"
citation: "43 C.F.R. § 3175.43"
title: "43"
number: "3175.43"
heading: "Transducers."
url: "https://uscodex.org/cfr/43/3175.43"
---

# §3175.43. Transducers.

- (a) A transducer of a specific make, model, and URL is approved for use in conjunction with differential meters for high-volume or very-high-volume FMPs if it meets the following requirements:
  - (1) It has been type-tested under [§ 3175.130](/cfr/43/3175.130.md);
  - (2) The documentation required in [§ 3175.134](/cfr/43/3175.134.md) has been submitted to the PMT; and
  - (3) It has been approved by the BLM and placed on the list of type-tested equipment maintained at www.blm.gov.
- (b) A transducer of a specific make, model, and URL, in use at an FMP before January 17, 2017, is approved for continued use if:
  - (1) Data supporting the published performance specification of the transducer are submitted to the PMT in lieu of the documentation required in [paragraph (a)(2)](#a-2) of this section; and
  - (2) It has been approved by the BLM and placed on the list of type-tested equipment maintained at www.blm.gov.
- (c) **All transducers are approved for use at very-low- and low-volume FMPs.**

## Notes

### Source

Source: 81 FR 81609, Nov. 17, 2016, unless otherwise noted.

### Authority

Authority: 25 U.S.C. 396d and 2107; 30 U.S.C. 189, 306, 359, and 1751; and 43 U.S.C. 1732(b), 1733, and 1740.

### Source

Source: 81 FR 81421, Nov. 17, 2016, unless otherwise noted.