Part 3, Section C: Standards Accuracy Class – Automatic Weighing Device
The following tables list the required accuracy standard for an inspection of a given device Automatic Device class. Individual tables are provided for Acceptance and In-Service as well as for Metric and Avoirdupuis units of measure.
Metric Device type (Automatic) | E1 | E2 | F1 | F2 | M1 | M1-2 | M2 | M2-3 | M3 |
---|---|---|---|---|---|---|---|---|---|
Automatic scale (0.075%) R174 | E1 ≥ 20 mg | E2 ≥ 50 mg | F1 ≥ 500 mg | F2 ≥ 2 mg | M1 ≥ 10 g | All | M2 ≥ 50 g | - | - |
Automatic hopper / tank scale (0.05%) - R188 | All | All | All | All | All | All | All | - | - |
In-motion railway scale Static Test (0.075%) R189, 174 | All | All | All | All | All | All | All | - | - |
In-motion railway scale (approx. 0.15%) R189.2, 190, 191 | All | All | All | All | All | All | All | All | All |
Automatic crane scale Freight (0.5%) - R192 | All | All | All | All | All | All | All | All | All |
Conveyor belt scale - cheap commodities (0.5%) - R193 | Material tests |
Metric Device type (Automatic) | E1 | E2 | F1 | F2 | M1 | M1-2 | M2 | M2-3 | M3 |
---|---|---|---|---|---|---|---|---|---|
Automatic scale (0.1%) R175 | E1 ≥ 10 mg | E2 ≥ 50 mg | F1 ≥ 200 mg | F2 ≥ 1 g | M1 ≥ 5 g | All | M2 ≥ 50 g | M2-3 ≤ 5000 kg | - |
Automatic hopper / tank scale (0.1%) - R188 | All | All | All | All | All | All | All | M2-3 ≤ 5000 kg | - |
In-motion railway scale Static Test (0.1%) R189, 175 | All | All | All | All | All | All | All | M2-3 ≤ 5000 kg | - |
In-motion railway scale (approx. 0.15%) R189.2, 190, 191 | All | All | All | All | All | All | All | All | All |
Automatic crane scale Freight (0.5%) - R192 | All | All | All | All | All | All | All | All | All |
Conveyor belt scale - cheap commodities (0.5%) R193 | Material tests |
Avoirdupois Device type (Automatic) | E1 | E2 | F1 | F2 | M1 | M1-2 | M2 | M2-3 | M3 |
---|---|---|---|---|---|---|---|---|---|
Automatic scale (0.075%) R174 | NA |
|
|
|
| All |
| - | - |
Automatic hopper / tank scale (0.05%) - R188 | NA | All | All | All | All | All | All | - | - |
In-motion railway scale Static Test (0.075%) R189, 174 | NA | All | All | All | All | All | All | - | - |
In-motion railway scale (approx. 0.15%) R189.2, 190, 191 | NA | All | All | All | All | All | All | All | All |
Automatic crane scale Freight (0.5%) - R192 | NA | All | All | All | All | All | All | All | All |
Conveyor belt scale - cheap commodities (0.5%) - R193 | Material tests |
Avoirdupois Device type (Automatic) | E1 | E2 | F1 | F2 | M1 | M1-2 | M2 | M2-3 | M3 |
---|---|---|---|---|---|---|---|---|---|
Automatic scale (0.1%) R175 | NA |
|
|
|
| All |
| M2-3 ≤ 10 000 lb | - |
Automatic hopper / tank scale (0.1%) - R188 | NA | All | All | All | All | All | All | M2-3 ≤ 10 000 lb | - |
In-motion railway scale Static test (0.1%) R189, 175 | NA | All | All | All | All | All | All | M2-3 ≤ 10 000 lb | - |
In-motion railway scale (approx. 0.15%) R189.2, 190, 191 | NA | All | All | All | All | All | All | All | All |
Automatic crane scale Freight (0.5%) - R192 | NA | All | All | All | All | All | All | All | All |
Conveyor belt scale - cheap commodities (0.5%) R193 | Material tests |
Notes
- Class F2 is equal to Measurement Canada's Precious Metal Weight Kits.
- Class M1 is equal to Measurement Canada's Inspector's Weight Kits.
- n is the maximum number of scale intervals which can be verified on the indicated device type, with the indicated accuracy class standard.
Revision
Rev.1: The purpose of revision 1 was to remove all references to bulletin M-02, which has been revoked.