PD_014259735_amended.pdf

19 May 2016

NRL 5524

PURCHASE DESCRIPTION

MULTIMETER, DIGITAL

Amendment

GMG: DMMRMSAVG-14

Solicitation No: SPRMM1-16-R-YK90/TAMCN: N/A/ SCAT:4209

1.0 GENERAL This procurement requires a solid-state, true RMS multimeter with a minimum display of six and one-half digits.

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

3.0 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. The equipment shall also display the average and average-converted-to RMS value of AC signals. The average conversion to RMS shall be based on a sine wave. The equipment shall be capable of indicating the value of the input relative to a previous input and shall also be capable of simultaneous display of the absolute value of the input. All measurement functions shall be auto-ranging with selectable manual control.

3.1 AC Voltage Measurements

3.1.1 AC Voltage Range: 100mV to 750V

3.1.2 AC Voltage Accuracy [True RMS]:

3.1.2.1 Bandwidth ≤ 100kHz: ±(0.6% of reading + 0.1% of range)

3.1.2.2 Bandwidth > 100kHz: ±(4% of reading + 0.5% of range)

3.1.3 AC Voltage Accuracy [Average]:

3.1.3.1 Bandwidth ≤ 100kHz: ±(0.6% of reading + 0.15% of range)

3.1.3.2 Bandwidth > 100kHz: ±(4% of reading + 0.7% of range)

3.1.4 AC Voltage Meter Resolution: minimum 0.1µV

3.1.5 AC Bandwidth: 5Hz to 300kHz minimum

3.1.6 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 up to 100kHz

3.1.7 AC Voltage Input Impedance: 1MΩ± 2% shunted by 150pF or less

3.1.8 Maximum AC Voltage Input: 750Vrms, 1000V peak or 2 x 10E7 volts-hertz product to 650VAC and from 650 to 750VAC volts-hertz product 6.5 x 10E5 whichever is less.

3.1.9 Crest Factor: The equipment shall respond to signals with crest factors up to 5:1.

3.2 DC Voltage Measurements

3.2.1 DC Voltage Range: 0.1 to 1000V

3.2.2 DC Voltage Accuracy: ±(0.005% of reading + 0.0035% of range)

3.2.3 DC Voltage Meter Resolution: minimum 0.1 µV

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 + 0.0006% of range)/ºC

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

3.2.7 Maximum DC Voltage input: 1000 VDC or peak AC

3.3 Noise Rejection Characteristics

3.3.1 Common Mode Rejection: DC Voltage, 120 dB at line frequency of 50-60 Hz with a

1KΩ unbalance in either input lead

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

3.4 AC Current Measurement

3.4.1 AC Current Measurement Range: 100mA to 2 Amps

3.4.2 AC Current Resolution: 1µA minimum

3.4.3 AC Current Accuracy: ±(0.5% of reading + 0.015% of range) to 5kHz

3.4.4 AC Current Temperature Coefficient per Degree C: (outside normal operating temperature of 18º to 28º C) ±(0.035% of reading + 0.006% of range to 5kHz)

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: 10µA to 2A

3.5.2 DC Current Resolution: 1µA minimum

3.5.3 DC Current Accuracy: ±(0.12% of reading + 0.2% of range)

3.5.4 DC Current Temperature Coefficient per Degree C: (outside of normal operating temperature of 18º to 28º C) ±(0.005% of reading + 0.002% 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:

3.6.2.1 Range < 20MΩ: ±(0.8% of reading + 0.1% of range)

3.6.2.2 Range ≥ 20MΩ: ±(3% of reading + 0.01% of range)

3.6.3 Resistance Temperature Coefficient per Degree C: (outside normal operating temperature of 18º to 28º C)

3.6.3.1 Range < 20MΩ: ±(0.025% of reading + 0.001% of range)

3.6.3.2 Range ≥ 20MΩ; ±(0.4% of reading + 0.001% of range)

3.6.4 Open Circuit Voltage: 14V maximum

3.6.5 Current Through the Unknown Resistance: 0.5µA to 9.8mA maximum

3.6.6 Resistance Input Protection: 200Vpk all ranges

3.7 Frequency Measurement Characteristics

3.7.1 Frequency Range: 3Hz to 300kHz

3.7.2 Sensitivity: 60mV

3.7.3 Accuracy of Frequency Measurements: 0.07% of indication 3-10 Hz, 0.05% > 10 Hz to

< 40 Hz, 0.03% ≥ 40 Hz. For inputs ≤ 100mV multiply error % x10.

3.8 Display Characteristics

3.8.1 Functional Display: The equipment shall be easily readable and be provided with a six and one-half digit, backlit display or display will have illuminated segments consisting of a primary and secondary display.

3.8.2 Primary Display: Primary display shall be clearly discernible from the secondary display and shall indicate the selected measurement of primary interest.

3.8.3 Display Indication: Display shall indicate the AC measurement type, such as RMS, average, and peak.

3.8.4 Secondary Display: The secondary displays shall allow the simultaneous display of related measurements of interest such as AC volts riding on a DC level.

3.8.5 Bar graph Display: One or more secondary displays or a separate, dedicated display shall be useable as a bar graph indicator.

3.8.5.1 Range: 0 to full scale

3.8.5.2 Deviation Indicator: The bar graph shall provide an indication of deviation from 0 normalized to a percentage of the full-scale value of the selected range.

3.8.5.3 Center Value: The 0 center value shall be either 0 volts or relative to an input reference value.

3.8.5.4 Scale selection range: The percentage of full scale shall be selectable over a range of

0.01 to 100 percent.

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 have an IEEE-488 digital interface.

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 71°C

4.2 Power source MIL-PRF-28800F nominal power source requirements are invoked.

Maximum power consumption 55W or less

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 with production lot delivery, after contract award.

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 aircraft:

- 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 Calibration Procedure The procedure, software, and special interfaces/adapters that are needed for the equipment calibration shall be provided.

4.6 Dimension Equipment size should not exceed the following dimensions.

Bench Configuration: 104mm h x 262mm w x 374mm(4.09in x 10.32in x 14.73in) Rack Configuration: 90mm h x 214mm w x 370mm (3.5in x 8.5in x 14.57in)

4.7 Weight Not to exceed 11 pounds (approx 5kg)

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

4.9 Wireless Connectivity Any capability of the equipment to communicate wirelessly, including but not limited to Wi-Fi and Bluetooth, shall be disabled.

4.10 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.

4.11 Additional Requirements

4.11.1 Human Readable Identification Labeling:

4.11.1.1 Equipment: Per MIL-PRF-28800F, a human readable label shall be provided for all production lot units conforming with MIL-STD-130N and permanently affixed on the equipment in an easily readable location. Required fields on the label are; CAGE, part number, and serial number. Size of the label shall conform to the size of the equipment.

4.11.1.2 Case: Per MIL-PRF-28800F, a human readable metal plate shall be provided for all production lot units conforming with MIL-STD-130N and permanently affixed to the front of the transit case. Required fields on the label are; CAGE, part number, and serial number. Size of the label shall conform to the size of the case. Pressure sensitive adhesive transfer tape is required to hold the plate to the hard transit case such as 3M™ 9472LE. Soft transit cases also require labeling with permanent placement such as a metal plate affixed with rivets, screws or adhesives.

4.11.2 Shipping container: For production lot units the package or carton containing the equipment for shipment shall be marked per MIL-STD-129P.

4.11.3 Other Additional Requirements: Shall be specified in the CDRL of the solicitation.

4.12 Training material 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.