---
kind: "section"
citation: "49 C.F.R. § 572.200"
title: "49"
number: "572.200"
heading: "Instrumentation and test conditions."
url: "https://uscodex.org/cfr/49/572.200"
---

# §572.200. Instrumentation and test conditions.

- (a) The test probe for shoulder, lateral thorax, and pelvis-acetabulum impact tests is the same as that specified in [49 CFR 572.137(a)](/cfr/49/572.137.md?p=a) except that its impact face diameter is 120.70 ±0.25 mm and it has a minimum mass moment of inertia of 3646 kg-cm 2.
- (b) The test probe for the lateral abdomen impact test is the same as that specified in 572.137(a) except that its impact face diameter is 76.20 ±0.25 mm and it has a minimum mass moment of inertia of 3646 kg-cm 2.
- (c) The test probe for the pelvis-iliac impact tests is the same as that specified in [49 CFR 572.137(a)](/cfr/49/572.137.md?p=a) except that it has a rectangular flat impact surface 50.8 × 88.9 mm for a depth of at least 76 mm and a minimum mass moment of inertia of 5000 kg-cm 2.
- (d) **Accelerometers for the head, the thoracic spine, and the pelvis conform to specifications of SA572-S4.**
- (e) **Rotary potentiometers for the neck-headform assembly conform to SA572-S51.**
- (f) Instrumentation and sensors conform to the Recommended Practice SAE J-211 (March 1995), Instrumentation for Impact Test, unless noted otherwise.
- (g) All instrumented response signal measurements shall be treated to the following specifications:
  - (1) **Head acceleration—** digitally filtered CFC 1000;
  - (2) **Neck-headform assembly translation-rotation—** digitally filtered CFC 60;
  - (3) **Neck pendulum, T1 and T12 thoracic spine and pelvis accelerations—** digitally filtered CFC 180;
  - (4) **Neck forces (for the purpose of occipital condyle calculation) and moments—** digitally filtered at CFC 600;
  - (5) **Pelvis, shoulder, thorax and abdomen impactor accelerations—** digitally filtered CFC 180;
  - (6) **Acetabulum and iliac wings forces—** digitally filtered at CFC 600;
  - (7) **Shoulder, thorax, and abdomen deflection—** digitally filtered CFC 600.
- (h) Mountings for the head, thoracic spine and pelvis accelerometers shall have no resonant frequency within a range of 3 times the frequency range of the applicable channel class;
- (i) Leg joints of the test dummy are set at the force between 1 to 2 g, which just support the limb's weight when the limbs are extended horizontally forward. The force required to move a limb segment does not exceed 2 g throughout the range of the limb motion.
- (j) Performance tests are conducted, unless specified otherwise, at any temperature from 20.6 to 22.2 degrees C. (69 to 72 degrees F.) and at any relative humidity from 10% to 70% after exposure of the dummy to those conditions for a period of 4 hours.
- (k) Coordinate signs for instrumentation polarity shall conform to the Sign Convention For Vehicle Crash Testing, Surface Vehicle Information Report, SAE J1733, 1994-12 (refer to [§ 572.191(a)(5)](/cfr/49/572.191.md?p=a-5)).

## Notes

### Amendments

[71 FR 75370, Dec. 14, 2006, as amended at 74 FR 29896, June 23, 2009]

### Source

Source: 71 FR 75370, Dec. 14, 2006, unless otherwise noted.

### Authority

Authority: 49 U.S.C. 322, 30111, 30115, 30117 and 30166; delegation of authority at 49 CFR 1.95

### Amendments

[71 FR 75370, Dec. 14, 2006, as amended at 74 FR 29896, June 23, 2009]