DMMBCH65-12_108.pdf

18 April 2013

NRL-5524

PURCHASE DESCRIPTION

MULTIMETER, DIGITAL

GMG: DMMBCH65-12

Solicitation No:N00104-13-R-DD53 / TAMCN: H7026

1. GENERAL This procurement requires a solid-state, true RMS Multimeter for laboratory and field use, with a minimum display of six and one-half digits.

2. CLASSIFICATION This equipment shall meet the requirements of MIL-PRF- 28800F, class 3 for shipboard, shore, and Marine Corps applications with the following exception.

a. Humidity requirement shall be relaxed to 80% RH at 30 ºC for full accuracy.

3. OPERATIONAL REQUIREMENTS The equipment shall be capable of measuring AC and DC voltages, currents and resistances within the ranges and accuracies specified below. The equipment shall respond to and display the true RMS values for both AC voltage and current. All measurement functions shall be auto-ranging with manual selectable ranges.

3.1 AC Voltage Measurements The equipment shall conform to the following AC

Voltage measurement requirements.

3.1.1 AC Voltage Range: 0.1 to 750 Vrms with a minimum of 2 ranges

3.1.2 AC Voltage Accuracy: 0.6% of reading + 0.08% of range for [10 Hz - 100 kHz] 4% of reading + 0.5% of range for [100 kHz - 300 kHz] - 1 yr

3.1.3 AC Voltage Meter Resolution: minimum 0.1µV

3.1.4 Frequency range: 10Hz to 300kHz

3.1.5 AC Voltage Temperature Coefficient per degree C: (outside normal operating temperature of 18º to 28º C) ± (0.060% of reading + 0.008% of range) / ºC for [10 Hz – 100.0 kHz] - 1yr ± (0.20% of reading + 0.02% of range) / ºC for [100 kHz - 300 kHz] - 1yr

3.1.6 AC Voltage Input Impedance: 1MΩ± 2% shunted by 100pF or less

3.2 DC Voltage Measurements

3.2.1 DC Voltage Range: 0.1 to 1000V with a minimum of 5 ranges

3.2.2 DC Voltage Accuracy: ± (0.005% of reading + 0.0035% of range) up to 100mV - 1yr ± (0.0045% of reading + 0.0007% of range) 1.00 V up to 100.0V - 1yr

± (0.0045% of reading + 0.001% of range) 100V up to 1000V - 1yr

3.2.3 DC Voltage Meter Resolution: minimum 0.1µV

3.2.4 Meter Polarity Sense: Measured voltage polarity shall be automatically sensed and displayed.

3.2.5 DC Voltage Temperature Coefficient per degree C: (outside normal operating temperature of 18º to 28º C) ± (0.0005% of reading + 0.0005% of range) / ºC

3.2.6 DC Voltage Input Impedance: 10MΩ or greater on all ranges

3.3 Noise Rejection Characteristics

3.3.1 Common Mode Rejection: DC Voltage, 140 dB at line frequency of 50-60 Hz with a 1KΩ unbalance in either input lead.

3.3.2 Common Mode Rejection: AC Voltage, 65 dB with 1KΩ unbalance in either input lead.

3.3.3 Normal Mode Rejection: 60 dB at line frequency of 50-60 Hz

3.4 AC Current Measurement

3.4.1 AC Current Measurement Range: 0 to 3 Amps

3.4.2 AC Current Resolution: 10µA minimum

3.4.3 AC Current Accuracy: ± (0.15% of reading + 0.06% of range) at 10Hz to 5kHz - 1yr

3.4.4 AC Current Temperature Coefficient per Degree C: (outside normal operating temperature of 18º to 28º C) (0.02% of reading + 0.006% of range at 10Hz to 5kHz) / ºC

3.4.5 AC Current Input Terminal Protection: AC current input shall be fused with an externally accessible fuse rated at the maximum measurable current.

3.5 DC Current Measurement

3.5.1 DC Current Measurement Range: 0 to 3 Amps

3.5.2 DC Current Resolution: 10µA minimum

3.5.3 DC Current Accuracy: ± (0.12% of reading + 0.02% of range) - 1 yr

3.5.4 DC Current Temperature Coefficient per Degree C: (outside of normal operating temperature of 18º to 28º C) ± (0.005% of reading + 0.0020% of range) / ºC

3.5.5 DC Current Input Terminal Protection: Equipment terminals shall be fused with an externally accessible fuse rated at the maximum measurable current

3.6 Resistance Measurement Characteristics

3.6.1 Resistance Range: Minimum resistance range from 100Ω to 100MΩ

3.6.2 Resistance Accuracy: ± (0.01% of reading + 0.004% of range) up to 1.0 MΩ - 1yr, ± (0.04% of reading + 0.001% of range) 1 MΩ up to 10.0 MΩ - 1yr ± (0.8% of reading + 0.01% of range) 10 MΩ up to 100 MΩ - 1yr

3.6.3 Resistance Temperature Coefficient per Degree C: (outside normal operating temperature of 18º to 28º C) ± (0.007% of reading + 0.0004% of range) / ºC up to

10 MΩ

3.6.4 Current Through the Unknown Resistance: 5mA maximum

3.6.5 Resistance Input Protection: 1000V all ranges

3.7 Display Characteristics The equipment shall be provided with a six and one-half digit display according to MIL-PRF-28800F.

3.8 Display Warning The equipment shall be provided with an over-range indicator.

3.9 Input Terminal Requirements The equipment shall have two input terminals for voltage measurements and four input terminals for resistance measurements. The common terminal shall be capable of withstanding voltage potentials of ±500 VDC to ground potential.

3.10 Digital Interface The equipment shall include both IEEE-488 and RS-232 or USB digital interfaces.

4.0 GENERAL REQUIREMENTS

4.1 Temperature

4.1.1 Operating temperature: 0°C to +50°C

4.1.2 Non-operating temperature: - 40°C to 70°C

4.2 Power Source: MIL-PRF-28800F nominal power source requirements are invoked. Maximum power consumption 28W.

4.3 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 Equipment size should not exceed the following dimensions.

Bench Configuration: 104mm h x 305mm w x 374mm d (4.09in x 12.01in x 14.73in)

4.6 Weight Not to exceed 11 pounds (Mass approximately 5kg)

4.7 Accessories The equipment shall be provided with safety-designed banana plug test leads in accordance with MIL-PRF-28800F.

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 TECHINICAL

MANUAL IS AUTHORIZED FOR US GOVERNMENT PURPOSES.”

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

4.8 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.

4.9 Additional Requirements Identification plates and other additional requirements are specified in the CDRL of the solicitation.