CLAS Certificate Number 2009-03

Company name	Measurement Canada Approval & Calibration Services Laboratory
Company address	151 Tunney's Pasture Driveway, Standards Building Ottawa, Ontario K1A 0C9
Contact	Isabelle Tremblay, Director - ACSL Telephone: 613-952-0635 Fax: 613-952-1754 Email: Isabelle.Tremblay2@ised-isde.gc.ca
Clients served	Internal clients and Measurement Canada's authorized service providers
Fields of calibration	Thermometry Pressure Flow Volume Mass Electrical
SCC accreditation (ISO/IEC 17025)	Accredited Laboratory Nº 659 First issued 2009-12-21 Issue 8.0e 2022-04-19

This CLAS Certificate is published by the CLAS program of the National Research Council of Canada (NRC) in cooperation with the laboratory accreditation program of the Standards Council of Canada (SCC), Canada's accreditation body for calibration and testing laboratories. The SCC accredits the capability of the named laboratory for being able to perform calibrations as per the listed Calibration and Measurement Capabilities with metrological traceability to the International System of Units (SI) or to standards acceptable to the CLAS program. See supplementary notes.

Thermometry

Measured Quantity & Range or Instrument	Calibration Measurement Capability expressed as an uncertainty (±) (See supplementary notes)	Type of Service	Remarks
Thermometers
Direct Read, RTD -40°C to +125°C	± 0.02°C	I & II	See note ^{Footnote 1}
Ice Point 0.000°C	± 0.005°C	II	See note ^{Footnote 1}

Pressure

Measured Quantity & Range or Instrument	Calibration Measurement Capability expressed as an uncertainty (±) (See supplementary notes)	Type of Service	Remarks
Pneumatic: Gauge pressure
1.7 kPa to 6.9 kPa	0.35 Pa	II	Calibration of precision pneumatic pressure gauges. Calibration by comparison to dead weight gauge, piston G2033P1217. MC procedure PR-CP-005.
6.9 kPa to 172 kPa	0.0033 % + 0.09 Pa		Calibration of precision pneumatic pressure gauges. Calibration by comparison to dead weight gauge, piston G2033P1217. MC procedure PR-CP-005.
20.7 kPa to 689 kPa	0.0029 % + 0.37 Pa		Calibration of precision pneumatic pressure gauges. Calibration by comparison to dead weight gauge, piston GL2033C590. MC procedure PR-CP-005.
103.4 kPa to 3447 kPa	0.0033 % + 3.4 Pa		Calibration of precision pneumatic pressure gauges. Calibration by comparison to dead weight gauge, piston GL2033G191. MC procedure PR-CP-005.
414 kPa to 20684 kPa	0.0035 % + 9.6 Pa		Calibration of precision pneumatic pressure gauges. Calibration by comparison to dead weight gauge, piston GL2279P878. MC procedure PR-CP-005.
622 Pa to 6895 Pa	0.046 % + 0.43 Pa		Calibration of pneumatic pressure gauges. Calibration by comparison to precision pressure controller. MC procedure PR-CP-003.
6.895 kPa to 172 kPa	0.046 % + 0.34 Pa		Calibration of pneumatic pressure gauges. Calibration by comparison to precision pressure controller. MC procedure PR-CP-003.
20.7 kPa to 20684 kPa	0.046 % of reading		Calibration of pneumatic pressure gauges. Calibration by comparison to precision pressure controller. MC procedure PR-CP-003.
Pneumatic: Absolute pressure
9.7 kPa to 172 kPa	0.0033 % + 2.3 Pa	II	Calibration of precision pneumatic pressure gauges. Calibration by comparison to dead weight gauge, piston G2033P1217. MC procedure PR-CP-005.
20.7 kPa to 689 kPa	0.0029 % + 2.3 Pa		Calibration of precision pneumatic pressure gauges. Calibration by comparison to dead weight gauge, piston GL2033C590. MC procedure PR-CP-005.
103.4 kPa to 3447 kPa	0.0033 % + 4.1 Pa		Calibration of precision pneumatic pressure gauges. Calibration by comparison to dead weight gauge, piston GL2033G191. MC procedure PR-CP-005.
414 kPa to 20788 kPa	0.0035 % + 19 Pa		Calibration of precision pneumatic pressure gauges. Calibration by comparison to dead weight gauge, piston GL2279P878. MC procedure PR-CP-005.
9.7 kPa to 172 kPa	0.046 % + 0.34 Pa		Calibration of pneumatic pressure gauges. Calibration by comparison to precision pressure controller. MC procedure PR-CP-003.
20.7 kPa to 20788 kPa	0.046 % of reading		Calibration of pneumatic pressure gauges. Calibration by comparison to precision pressure controller. MC procedure PR-CP-003.

Flow

Dynamic Volume Gas Flow Rate

Measured Quantity & Range or Instrument	Calibration Measurement Capability expressed as an uncertainty (±) (See supplementary notes)	Type of Service	Remarks
Rotary Meters
1.4 to 65 m³/h	± 0.23 %	I	See note ^{Footnote 2} (Positive displacement, Rotary piston)
50 to 2300 ft³/h (using air)	± 0.23 %	I
Dimensional determination (strapping) of Gas Bell proving systems
2 ft³	0.08 % of the bell prover displaced volume	I	See note ^{Footnote 3} On-site calibration available. Calibration measurement capability of bell proving system at values other than those listed is obtained by linear interpolation.
10 ft³	0.05 % of the bell prover displaced volume
50 ft³	0.04 % of the bell prover displaced volume

Volume

Liquid Volume

Measured Quantity & Range or Instrument	Calibration Measurement Capability expressed as an uncertainty (±) (See supplementary notes)	Type of Service	Remarks
Small Volume Pipe Prover (SVP) Standard
60 L	0.0074 %	II	See note ^{Footnote 4}

Static Liquid Volume

Measured Quantity & Range or Instrument	Calibration Measurement Capability expressed as an uncertainty (±) (See supplementary notes)	Type of Service	Remarks
Narrow Neck Volume Standard
20 L up to (but not including) 40 L	± 0.006 %	I	See note ^{Footnote 5}
40 L to 500 L	± 0.008 %	I	See note ^{Footnote 5}

Mass

Measured Quantity & Range or Instrument	Calibration Measurement Capability expressed as an uncertainty (±) (See supplementary notes)	Type of Service	Remarks
Metric
25 kg	± 27 mg	I & II	For the calibration of Reference Standards mass kits as defined in Measurement Canada Regulations and according to the tolerances prescribed in Schedule IV, Part I, II, III and IV of the Weights and Measures Regulations. For the calibration of masses with traceability to the International System of Units (SI) through the primary standards of NRC and of Measurement Canada (MR-1). Calibration results are reported in terms of conventional mass as defined by the Organisation internationale de métrologie légale (OIML): "The conventional value of the value of the result of weighing a body in air is equal to mass of a standard, of conventionally chosen density (8000 kg/m³), at a conventionally chosen temperature (20 °C), which balances this body at this reference temperature in air of conventionally chosen density (1.2 kg/m³)." The Calibration Measurement Capability listed relates to measurements on integral conventional standard weights. It can be achieved only if the weights being calibrated are suitable for such a measurement. See note ^{Footnote 6} Definition of reporting units: kilogram (kg) gram (g) milligram (mg)
20 kg	± 20 mg
10 kg	± 10 mg
5 kg	± 2.7 mg
3 kg	± 2.0 mg
2 kg	± 1.5 mg
1 kg	± 0.75 mg
500 g	± 0.27 mg
300 g	± 0.16 mg
200 g	± 0.10 mg
100 g	± 0.053 mg
50 g	± 0.033 mg
30 g	± 0.029 mg
20 g	± 0.027 mg
10 g	± 0.020 mg
5 g	± 0.017 mg
3 g	± 0.014 mg
2 g	± 0.013 mg
1 g	± 0.010 mg
500 mg	± 0.0083 mg
300 mg	± 0.0072 mg
200 mg	± 0.0067 mg
100 mg	± 0.0053 mg
50 mg	± 0.0040 mg
30 mg	± 0.0036 mg
20 mg	± 0.0033 mg
10 mg	± 0.0027 mg
5 mg	± 0.0020 mg
3 mg	± 0.0020 mg
2 mg	± 0.0020 mg
1 mg	± 0.0020 mg
Pound
50 lb	± 1.8 gr	I & II	For the calibration of Reference Standards mass kits as defined in Measurement Canada Regulations and according to the tolerances prescribed in Schedule IV, Part I, II, III and IV of the Weights and Measures Regulations. For the calibration of masses with traceability to the International System of Units (SI) through the primary standards of NRC and of Measurement Canada (MR-1). Calibration results are reported in terms of conventional mass as defined by the Organisation internationale de métrologie légale (OIML): "The conventional value of the value of the result of weighing a body in air is equal to mass of a standard, of conventionally chosen density (8000 kg/m³), at a conventionally chosen temperature (20 °C), which balances this body at this reference temperature in air of conventionally chosen density (1.2 kg/m³)." The Calibration Measurement Capability listed relates to measurements on integral conventional standard weights. It can be achieved only if the weights being calibrated are suitable for such a measurement. See note ^{Footnote 6} Definition of reporting units: pound (lb) ounce (oz) dram (dr) grain (gr)
30 lb	± 1.1gr
20 lb	± 0.75gr
10 lb	± 0.37gr
5 lb	± 0.18 gr
3 lb	± 0.11 gr
2 lb	± 0.075 gr
1 lb	± 0.037 gr
0.5 lb	± 0.018 gr
0.3 lb	± 0.011 gr
0.2 lb	± 0.0077gr
0.1 lb	± 0.0050 gr
0.05 lb	± 0.0042 gr
0.03 lb	± 0.0034 gr
0.02 lb	± 0.0030 gr
0.01 lb	± 0.0025 gr
0.005 lb	± 0.0021 gr
0.003 lb	± 0.0017 gr
0.002 lb	± 0.0015 gr
0.001 lb	± 0.0012 gr
8 oz	± 0.018 gr
4 oz	± 0.0092 gr
2 oz	± 0.0056 gr
1 oz	± 0.0044 gr
8 dr	± 0.0035 gr
4 dr	± 0.0028 gr
2 dr	± 0.0023 gr
1 dr	± 0.0019 gr
½ dr	± 0.0015 gr
Ounce troy
500 ozt	± 1.2 gr	I & II	For the calibration of Reference Standards mass kits as defined in Measurement Canada Regulations and according to the tolerances prescribed in Schedule IV, Part I, II, III and IV of the Weights and Measures Regulations. For the calibration of masses with traceability to the International System of Units (SI) through the primary standards of NRC and of Measurement Canada (MR-1). Calibration results are reported in terms of conventional mass as defined by the Organisation internationale de métrologie légale (OIML): "The conventional value of the value of the result of weighing a body in air is equal to mass of a standard, of conventionally chosen density (8000 kg/m³), at a conventionally chosen temperature (20 °C), which balances this body at this reference temperature in air of conventionally chosen density (1.2 kg/m³)." The Calibration Measurement Capability listed relates to measurements on integral conventional standard weights. It can be achieved only if the weights being calibrated are suitable for such a measurement. See note ^{Footnote 6} Definition of reporting units: ounce troy (ozt) grain (gr)
400 ozt	± 0.96 gr
300 ozt	± 0.72 gr
200 ozt	± 0.48 gr
100 ozt	± 0.24 gr
50 ozt	± 0.12 gr
40 ozt	± 0.096 gr
30 ozt	± 0.072 gr
20 ozt	± 0.048 gr
10 ozt	± 0.024 gr
5 ozt	± 0.0123 gr
4 ozt	± 0.0102 gr
3 ozt	± 0.0080 gr
2 ozt	± 0.0059 gr
1 ozt	± 0.0045 gr
0.5 ozt	± 0.0037 gr
0.4 ozt	± 0.0033 gr
0.3 ozt	± 0.0030 gr
0.2 ozt	± 0.0027 gr
0.1 ozt	± 0.0022 gr
0.05 ozt	± 0.0018 gr
0.04 ozt	± 0.0017 gr
0.03 ozt	± 0.0015 gr
0.02 ozt	± 0.0013 gr
0.01 ozt	± 0.0011 gr
0.005 ozt	± 0.00094 gr
0.004 ozt	± 0.00085 gr
0.003 ozt	± 0.00076 gr
0.002 ozt	± 0.00067 gr
0.001 ozt	± 0.00055 gr
Grain
1000 gr	± 0.0061 gr	I & II	For the calibration of Reference Standards mass kits as defined in Measurement Canada Regulations and according to the tolerances prescribed in Schedule IV, Part I, II, III and IV of the Weights and Measures Regulations. For the calibration of masses with traceability to the International System of Units (SI) through the primary standards of NRC and of Measurement Canada (MR-1). Calibration results are reported in terms of conventional mass as defined by the Organisation internationale de métrologie légale (OIML): "The conventional value of the value of the result of weighing a body in air is equal to mass of a standard, of conventionally chosen density (8000 kg/m³), at a conventionally chosen temperature (20 °C), which balances this body at this reference temperature in air of conventionally chosen density (1.2 kg/m³)." The Calibration Measurement Capability listed relates to measurements on integral conventional standard weights. It can be achieved only if the weights being calibrated are suitable for such a measurement. See note ^{Footnote 6} Definition of reporting units: grain (gr)
600 gr	± 0.0048 gr
300 gr	± 0.0041 gr
200 gr	± 0.0034 gr
100 gr	± 0.0027 gr
60 gr	± 0.0024 gr
30 gr	± 0.0020 gr
20 gr	± 0.0017 gr
10 gr	± 0.0014 gr
6 gr	± 0.0012 gr
3 gr	± 0.0010 gr
2 gr	± 0.00088 gr
1 gr	± 0.00068 gr
0.6 gr	± 0.00058 gr
0.3 gr	± 0.00051 gr
0.2 gr	± 0.00044 gr
0.1 gr	± 0.00034 gr
0.06 gr	± 0.00031 gr
0.03 gr	± 0.00031 gr
0.02 gr	± 0.00031 gr
0.01 gr	± 0.00031 gr
500 gr	± 0.0050 gr
50 gr	± 0.0023 gr
5 gr	± 0.0011 gr
0.5 gr	± 0.00062 gr
0.05 gr	± 0.00037 gr
Metric
5 kg	± 83 mg	II	For the calibration of Inspection mass kits as defined in Measurement Canada Regulations and according to the tolerances prescribed in Schedule IV, Part I, II, III and IV of the Weights and Measures Regulations. For the calibration of masses with traceability to the International System of Units (SI) through the primary standards of NRC and of Measurement Canada (MR-1). Calibration results are reported in terms of conventional mass as defined by the Organisation internationale de métrologie légale (OIML): "The conventional value of the value of the result of weighing a body in air is equal to mass of a standard, of conventionally chosen density (8000 kg/m³), at a conventionally chosen temperature (20 °C), which balances this body at this reference temperature in air of conventionally chosen density (1.2 kg/m³)." The Calibration Measurement Capability listed relates to measurements on integral conventional standard weights. It can be achieved only if the weights being calibrated are suitable for such a measurement. See note ^{Footnote 6} Definition of reporting units: kilogram (kg) gram (g) milligram (mg)
3 kg	± 50 mg
2 kg	± 33 mg
1 kg	± 17 mg
500 g	± 8.3 mg
300 g	± 5.0 mg
200 g	± 3.3 mg
100 g	± 1.7 mg
50 g	± 1.0 mg
30 g	± 0.89 mg
20 g	± 0.83 mg
10 g	± 0.67 mg
5 g	± 0.53 mg
3 g	± 0.44 mg
2 g	± 0.40 mg
1 g	± 0.33 mg
500 mg	± 0.27 mg
300 mg	± 0.22 mg
200 mg	± 0.20 mg
100 mg	± 0.17 mg
50 mg	± 0.13 mg
30 mg	± 0.11 mg
20 mg	± 0.10 mg
10 mg	± 0.083 mg
Pound
10 lb	± 1.2 gr	II	For the calibration of Inspection mass kits as defined in Measurement Canada Regulations and according to the tolerances prescribed in Schedule IV, Part I, II, III and IV of the Weights and Measures Regulations. For the calibration of masses with traceability to the International System of Units (SI) through the primary standards of NRC and of Measurement Canada (MR-1). Calibration results are reported in terms of conventional mass as defined by the Organisation internationale de métrologie légale (OIML): "The conventional value of the value of the result of weighing a body in air is equal to mass of a standard, of conventionally chosen density (8000 kg/m³), at a conventionally chosen temperature (20 °C), which balances this body at this reference temperature in air of conventionally chosen density (1.2 kg/m³)." The Calibration Measurement Capability listed relates to measurements on integral conventional standard weights. It can be achieved only if the weights being calibrated are suitable for such a measurement. See note ^{Footnote 6} Definition of reporting units: pound (lb) ounce (oz) dram (dr) grain (gr)
5 lb	± 0.58 gr
3 lb	± 0.35 gr
2 lb	± 0.23 gr
1 lb	± 0.12 gr
0.5 lb	± 0.058 gr
0.3 lb	± 0.035 gr
0.2 lb	± 0.024 gr
0.1 lb	± 0.015 gr
0.05 lb	± 0.013 gr
0.03 lb	± 0.011 gr
0.02 lb	± 0.010 gr
0.01 lb	± 0.0079 gr
0.005 lb	± 0.0064 gr
0.003 lb	± 0.0053 gr
0.002 lb	± 0.0050 gr
0.001 lb	± 0.0040 gr
8 oz	± 0.058 gr
4 oz	± 0.029 gr
2 oz	± 0.017gr
1 oz	± 0.014 gr
8 dr	± 0.011 gr
4 dr	± 0.0091 gr
2 dr	± 0.0072 gr
1 dr	± 0.0059 gr
½ dr	± 0.0049 gr

Electrical

Measured Quantity & Range or Instrument	Frequency	Calibration Measurement Capability expressed as an Uncertainty (±) (See supplementary notes)	Type of service	Remarks
Energy Wh
69 V to 600 V	60 Hz	0.008 % of reading	I & II	For the calibration of energy metering devices according to calibration procedure EL-CP-002. See Annex I.
0.002 A to 50 A
PF = 0.5 or PF = 1
Energy varh
69 V to 600 V	60 Hz	0.008 % of reading	I & II	For the calibration of energy metering devices according to calibration procedure EL-CP-002. See Annex II.
0.02 A to 50 A
PF = 0.5 or PF = 0.87
Energy VAh RMS
69 V to 600 V	60 Hz	0.008 % of reading	I & II	For the calibration of energy metering devices according to calibration procedure EL-CP-002. See Annex III.
0.02 A to 50 A
PF = 0.5 or PF = 1
Energy VAh AVG
120 V to 600 V	60 Hz	0.008 % of reading	I & II	For the calibration of energy metering devices according to calibration procedure EL-CP-002. See Annex IV.
1.25 A to 50 A
PF = 0.5 or PF = 1
Energy Qh
120 V to 600 V	60 Hz	0.008 % of reading	I & II	For the calibration of energy metering devices according to calibration procedure EL-CP-002. See Annex V.
2.5 A to 50 A
PF = 0.5
Voltage (Vh RMS)
120 V to 600	60 Hz	0.008 % of reading	I & II	For the calibration of energy metering devices according to calibration procedure EL-CP-002. See Annex VI.
Current (Ah RMS)
0.25 A to 50 A	60 Hz	0.008 % of reading	I & II	For the calibration of energy metering devices according to calibration procedure EL-CP-002. See Annex VII.
Volt-squared hour V²h
65.5 V to 126 V	60 Hz	0.008 % of reading	I & II	For the calibration of energy metering devices according to calibration procedure EL-CP-002. See Annex VIII.
Ampere-squared hour A²h
0.25 A to 5 A	60 Hz	0.008 % of reading	I & II	For the calibration of energy metering devices according to calibration procedure EL-CP-002. See Annex IX.

Annex I

Calibration of Watthour energy (Wh) metering devices at unity (0º) and 0.5 lagging (-60º) power factor.

The expanded uncertainty associated with the Wh measurements at the settings listed in the table below is U = 0.006 % of reading, for a coverage factor of k = 2.