OTHER ELECTRONIC TEST EQUIPMENT

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Ball/Efratom FRK (-L) Rubidium Oscillators

These used oscillators are fully checked out and come with a fresh Calibration Certificate traceable to the NIST! Our Price! $500.00 Ea.

These oscillators are great for stand-alone Frequency Standards, Super-Accurate Time Bases for frequency counters and for most any critical timing application. Diagnostic outputs include: Atomic Resonance Lock Indication, Crystal Oscillator Voltage and Rubidium Lamp Voltage Monitor. Very simple to use, (comes with a schematic of the test fixture that we use to calibrate); minimum requirement is a supply voltage at appropriate current capacity and an indicator (we use an LED) of resonance lock. Also included is the optional Model EEK-10 Heat Sink, and the correct (used) mating output connector. Weight is only 2.2 lbs. Lehman Scientific warranties these units for a period of 6 months. Quantities available. These are available for shipment to the US and Canada. Other countries will be handled on a case to case basis.

NOTE: Very limited quantity still remaining for sale, discounted units available, please call for details. NIST-traceable calibration is no longer available.

SPECIFICATIONS: EFRATOM FRK (-L) RUBIDIUM OSCILLATORS

Output: 10MHz Sine Wave, 0.5Vrms into 50 Ohms
Signal to Noise: >120dB in 1Hz band at more than 200Hz from nominal frequency
Power Requirements: 28VDC nominal (23 to 32VDC), 13W at 25 deg C, requires approx. 1.7Amp for first 10 minutes for warm-up
Long Term Stability: <1 X 10E-10/mo. (typ. 3 X 10E-11/mo.) 
Short Term Stability: <5 X 10E-11 for 1sec. (typ. 2 X 10E-11)
Voltage Change: <1 X 10E-10 from 23V to 32V
Temperature Change: <1 X 10E-9 from -25 deg C to +65 deg C (typ. 5 X 10E-10)
Magnetic Field: <1 X 10E-12/Am(-1)
Altitude: <5 X 10E-13/mbar
Operating Temp. Range: -25 deg C to +65 deg C
Storage Temp. Range: -30 deg C to +70 deg C

 

Boonton Model 93AD True RMS Digital Voltmeter, 10Hz to 20MHz, 300uV to 300V fs. True rms Icon: Boonton 93AD True RMS Digital Voltmetervoltmeters measure complex, pulse and random waveforms as well as sine waves. The 93AD utilizes a 3-1/2 digit LED display as well as a small edge-meter. The digital display gives clear unambiguous voltage readings while the analog meter is most useful for peaking and nulling applications. Used, guaranteed. Price: $225.00

 

 

Cooper Tools Model 27172AA3 Wire Wrap Tool. (Inv #7379) The Wire Wrap tool is a heavy-duty, Icon: Cooper Tools Model 27172AA3 Wire Wrap Tool. (Inv #7379)easy-to-operate solderless wire attachment tool. Designed for production, installation, and service uses. Features include powerful motor for steady performance, high starting torque, rapid acceleration, and high impact-resistant plastic housing.Accepts bits for wire sizes 22-32 AWG. Operating speed is 2300 RPM. Right-hand rotation. . Double-insulated. Other features include planetary gear reduction drive, insulated collet and collet nut, light trigger pull, and 2-wire 8ft. cord. Power req. 120V, 60Hz. Very good used condition, checked, guaranteed. Price: $125.00

 

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