STDACVMTR-12_123.pdf

5 May 2013

NRL 5524

PURCHASE DESCRIPTION

STANDARD, AC VOLTMETER

GMG: STDACVMTR-12

Solicitation No: N00104-13-R-DD65/ TAMCN: TBD

1.0 GENERAL This procurement requires an AC measurement standard that functions as a stand alone unit or as a transfer standard for use with an external DC source.

2.0 CLASSIFICATION The equipment shall meet the requirements of MIL-28800F class 3 for stationed and mobilized laboratory applications.

3.0 OPERATIONAL REQUIREMENTS The specifications provided below are the minimum requirements and accuracies that will meet the Government's need.

The AC measurement standard shall at least meet these requirements and accuracies and may provide better performance.

3.1 AC Voltage measurements

3.1.1 Low frequency measurements: The equipment shall be capable of performing low frequency AC voltage measurements within the parameters specified in Table 1.

Table 1: Low frequency AC voltage measurement 1 year uncertainty

10Hz – 20Hz

20Hz – 50kHz

50kHz – 100kHz

100kHz – 500kHz

500kHz – 1MHz

Range

One Year Uncertainty at 23oC + 5oC: + (ppm of reading + mV) 1mV – 2.2mV

1700 + 1.5

830 + 2

1200 + 3

2400 + 8

3500 + 10

2.2mV – 7mV

850 + 1.5

420 + 2

600 + 3

1300 + 8

1300 + 10

7mV – 22mV

300 + 1.5

230 + 2

310 + 3

900 + 8

1750 + 8

22mV – 70mV

250 + 1.5

150 + 2

260 + 3

700 + 8

1120 + 10

70mV – 200mV

230 + 1.5

90 + 2

160 + 3

400 + 10

1000 + 10

200mV – 700mV

230 + 1.5

80 + 2

80 + 3

300 + 8

1000 + 8

700mV – 2.2V

200 + 2

66 + 2

75 + 2

260 + 2

910 + 2

2.2V – 22V

200 + 5

70 + 5

83 + 5

400 + 5

1210 + 5

22V – 70V

200 + 5

70 + 5

95 + 5

410 + 5

1210 + 5

70V – 220V

200 + 7

70 + 7

100 + 7

510 + 7

10Hz – 20Hz

20Hz – 50kHz

50kHz – 100kHz

100kHz – 500kHz

500kHz – 1MHz

Range

One Year Uncertainty at 23oC + 5oC: + (ppm of reading + mV)

220V – 700V

200 + 10

130 + 10

500 + 10

700V – 1000V

200 + 15

130 + 15

500 + 15

Table 1 (continued): Low frequency AC voltage measurement 1 year uncertainty

3.1.2 High Frequency AC voltage measurements: The equipment shall be capable of performing high frequency AC voltage measurements within the parameters specified in Table 2.

One Year

Uncertainty at 23oC + 5oC: + (% reading + mV)

One Year Flatness at Tcal + 3 oC + (% reading + mV)

Range

10 Hz – 500 kHz 10 Hz – 120 kHz

120 kHz

– 2 MHz

2 MHz – 20 MHz

20 MHz – 30 MHz

2.2 mV 0.6 + 1.5 0.10 + 0 0.07 +1 0.30 + 1 0.70 +1 7 mV 0.5 + 7 0.10 + 0 0.07 +1 0.17 + 1 0.37 + 1

22 mV 0.5 + 13 0.10 + 0 0.07 + 0 0.17 + 0 0.37 + 0 70 mV 0.5 + 30 0.10 + 0 0.05 + 0 0.15 + 0 0.35 + 0

220 mV 0.4 + 80 0.10 + 0 0.05 + 0 0.15 + 0 0.35 + 0 700 mV 0.4 + 300 0.10 + 0 0.05 + 0 0.15 + 0 0.35 + 0

2.2 mV 0.35 + 400 0.10 + 0 0.05 + 0 0.15 + 0 0.35 + 0

7 V 0.35 + 800 0.10 + 0 0.05 + 0 0.15 + 0 0.35 + 0

Table 2: One year uncertainty and flatness of high voltage measurements

3.2 Computer Interfaces The equipment shall be provided with a digital interface in accordance with MIL-PRF-28800F. The digital interface shall conform to ANSI/IEEE-STD-488. A second digital interface that provides a serial data connection conforming to RS-232 shall be provided.

3.3 Low Thermal Copper EMF Test Lead Set A low thermal copper EMF test lead set shall be provided as a line item option. The test lead set shall have the following characteristics.

3.3.1 Thermal EMF: < 1.3mV/°C.

3.3.2 Leakage resistance between center conductor and shield: > 1.0 x 1013W.

3.3.3 Cable type: RG-58/U.

3.3.4 Safety rating: UL 1244 to 1100 Vac.

3.3.5 Quantity: The set shall include 3 cables.

4.0 GENERAL REQUIREMENTS

4.1 Environmental

4.1.1 Temperature:

4.1.1.1 Operating: 0°C to +50°C.

4.1.1.2 Non-operating: -20°C to +70°C.

4.1.2 Altitude:

4.1.2.1 Operating: Up to 3000 meters.

4.1.2.2 Non-operating: Up to 4600 meters.

4.2 Warm-up Time 30 minutes maximum.

4.3 Power

4.3.1 Line power: MIL-PRF-28800F nominal power source requirements are invoked.

Maximum power consumption: 150W.

4.3.2 Battery Restrictions Per MIL-PRF-28800F, Lithium and Mercury batteries are prohibited without prior authorization. A request for approval for the use of Lithium and Mercury batteries shall be submitted to the procuring activity at the time of submission of proposals. Approval shall apply only to the specific model proposed.

Exceptions: Per Naval Ordnance Safety and Security Activity (NOSSA), the use of Lithium primary (non-rechargeable) coin cell batteries meeting the following criteria is authorized for Naval personnel and on Naval activities, surface ships, submarines, and aircrafts:

- Commercially available coin cell batteries, unmodified, and used in the device recommended by the application manufacturer.

- Coin cell batteries shall only be used in single cell configurations.

- Coin cell batteries shall not be rated for more than 3 volts (maximum nominal output voltage).

- Coin cell batteries shall not be rated for more than 1 Ampere-Hour nameplate capacity.

The coin cell manufacturer and model identification/part number shall be provided at the time of submission of proposals.

4.4 Calibration interval The calibration interval shall be 12 months minimum. At the end of this interval, a minimum of 85% of the equipment shall remain in tolerance.

4.5 Dimension The total volume shall not exceed 49000 cm3.

4.6 Weight The overall weight of the equipment alone shall not exceed 25 kg (55 lbs).

4.7 Optional Transit Case A protective hard transit case according to MIL-PRF- 28800F shall be provided as a line item option. The case shall be capable of accommodating the equipment, accessories, and the operator’s manual.

4.8 Technical Manual The maintenance philosophy for this unit shall be level 2 (per

MIL-PRF-28800F) and require maintenance to the module level of the unit. The technical manual shall conform to the level 2 maintenance philosophy. This level would be used for most equipment where maintenance and repair is an expected phase of equipment lifecycle. Board level maintenance and troubleshooting information is required. A use and installation manual (operator’s manual) shall be provided separately. Maintenance and servicing manual shall be provided to two levels of maintenance, unit operational verification level and the module level. Information required for performance verification shall include:

• Instructions to verify equipment performance,

• List the equipment required for verification tests,

• Step-by-step instructions for test connections,

• Acceptable result criteria,

• Calibration information,

• Self-test routines.

Maintenance information shall include:

• Parts lists to the component level,

• Schematics and component layout drawings,

• Block and schematic diagrams.

• List of required test equipment and connection diagrams, and

• Sequential instructions for disassembly, repair, replacement, and reassembly shall be provided.

• Board level maintenance and troubleshooting information,

• Step-by-step instructions for troubleshooting and fault isolation,

• Expected signal levels,

• Test data sheets will be included, and as required,

• The instructions will define localizing a defective circuit card.

Parts lists shall include:

• Parts lists shall be shown on illustrations or a separate listing that includes an index or reference to other illustrations.

• Part number, cage code, and generic description.

The technical manual shall be provided in both printed and electronic formats.

The printed format shall be otherwise normally provided. The electronic format shall be in Portable Document Format (PDF) - ISO 32000-1:2008. Two separate CD/DVDs are required, one shall contain the use and installation manual and one shall contain the maintenance and service manual.

The statement of copyright release:

“REPRODUCTION AND DISTRIBUTION OF THIS TECHNICAL MANUAL IS

AUTHORIZED FOR U.S. GOVERNMENT PURPOSES.”

shall be printed in the first two pages of each technical manual and on the surface of the CD/DVD supplied.

4.9 Training materials Training materials that demonstrate the features, detailed operations and procedures with step-by-step instructions for using the equipment shall be provided. The training material shall be delivered in technical manual or interactive CD-ROM formats.

4.10 Additional Requirements Identification plates, training materials and other additional requirements are specified in the CDRL of the solicitation.