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![]() | Electronic Counters, Direct and Prescaled | ![]() |
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Sphere Research Corporation 3394 Sunnyside Rd. West Kelowna, BC, Canada V1Z 2V4 Phone: +1 (250) 769-1834 A great source for test equipment, repairs, calibrations, useful metrology information, and of course, SLIDE RULES! Just ![]() |
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Now OPEN, our ![]() Literally millions of parts available at great prices! |
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Electronic Counters Direct and Prescaled ![]() ![]() ![]() Electronic Counters Direct and Prescaled ![]() ![]() ![]()
You can order anything here just by picking up the phone, and calling (250) 769-1834 during normal office hours, 8:30AM to 4:30PM PST. OR, Email your order to Susan ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]()
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E-mail us | Want something? Click here to e-mail us! We accept Visa / MC for fast order processing. |
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Fluke/Philips Counters In increasing order by Frequency |
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Description | Stock |
Price Each | |
![]() 7261A ![]() CLICK for bigger PIC! ![]() CLICK for bigger PIC! VERY FLEXIBLE! |
Universal Counter/Timer High performance 125Mhz (Ch. A/B) multi-mode counter (typical performance to 135Mhz or better), PLUS optional 500Mhz C channel input (typical performance to 600Mhz). 8 Digit LED display, A/B channel inputs for timing, frequency, and period measurements, C channel for frequency only. Selectable timing resolution for versatile time/frequency/count measurements, plus AUTO mode for set and forget ability. Excellent operational and physical condition, Looks great. Carefully calibrated against our GPS slaved standard and atomic clock. Includes optional -132 ovenized timebase with 5x 10-8 stability. Requires an initial 30-60 minute warm-up/stabilization period, the calibration is based on this warm up for best accuracy. Has rear external timebase connections and monitor for use of a common high performance shop standard, or to use the internal ovenized standard. Supplemental ON/OFF switch at rear to allow full power off (otherwise ovenized timebase always runs). Has fold-out tilt bail underneath, top carry handle, plus stacking grips, a very nice high performance, compact counter. ![]() |
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$395 Ea. Add $75 for full NIST/NRC Certificate ![]() |
Description | Stock |
Price Each | |
![]() 7261A Similar to (no C Chan.): ![]() CLICK for bigger PIC! ![]() CLICK for bigger PIC! VERY FLEXIBLE! |
Universal Counter/Timer High performance 125Mhz (Ch. A/B) multi-mode counter (typical performance to 135Mhz or better), NO C Channel. 8 Digit LED display, A/B channel inputs for timing, frequency, and period measurements, C channel for frequency only. Selectable timing resolution for versatile time/frequency/count measurements, plus AUTO mode for set and forget ability. Excellent operational and physical condition, Looks great. Carefully calibrated against our GPS slaved standard and atomic clock. Standard timebas, plus has rear external timebase connections and monitor for use of a common high performance shop standard. Has fold-out tilt bail underneath, top carry handle, plus stacking grips, a very nice high performance, compact counter. ![]() |
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$195 Ea. Add $75 for full NIST/NRC Certificate ![]() |
E-mail us | Want something? Click here to e-mail us! We accept Visa / MC for fast order processing. |
Description | Stock |
Price Each | |
![]() HP 5314A ![]() CLICK for bigger PIC! ![]() CLICK for bigger PIC! VERY FLEXIBLE! |
Universal Frequency Counter High performance 100Mhz (Ch. A) multi-mode counter (typical performance to 125Mhz or better). 7 Digit LED display, A/B channel inputs for timing, frequency, and period measurements. Selectable timing resolution for versatile time/frequency/count measurements. 2.5Mhz performance on channel B. Great for lab use, fully cal'd, overhauled and ready to go. We have both RED and AMBER display units, advise if you have a preference. Excellent operational and physical condition, Look great. Carefully calibrated against our GPS slaved standard and atomic clock. Note, these have a conventional timebase, spec is 1x10-5 over 0-50C, virtually all units can do much better, but need a 30 minute warm-up/stabilization period, the calibration is based on this warm up and a +23C ambient for best accuracy. Sometimes we also have units with large case ID labels that can't be removed or other minor cosmetic issues, available for a $50 discount when in stock. ![]() Caution, over 5Mb. |
![]() Overhauled + Cal'd |
$195 Ea. ![]() |
Description | Stock |
Price Each | |
![]() HP 5328A ![]() CLICK for bigger PIC! ![]() CLICK for bigger PIC! VERY CLEAN INTERNALLY! CLICK for INSIDE VIEW 525Mhz and GPIB Hi-Stab TCXO VERY FLEXIBLE! Many options and mods available, e-mail for details. |
![]() ![]() Universal Modular Frequency Counter High performance 100/525Mhz multi-mode three channel counter with optional very high stability 10811-60111 TCXO. 9 Digit (option 030, 8 standard) LED display, A/B/C channel inputs for timing, ratio, frequency, and period measurements. This is HP's most famous counter, widely used in industry and military service as a high performance workhorse. Selectable timing resolution for versatile measurements, fuse protected 50 ohm C channel (Optional). Great for lab use, fully cal'd, overhauled and ready to go. Has front tilt-bail feet and full width carry handle, or can be equipped for rack mounting as preferred. Very good condition. Carefully calibrated against our atomic clock, as shown in the 10Mhz display. The small error in the 520Mhz display is multiplier error in our Marconi generator, not the counter. The high precision timebase can be used externally, and all versions can accept your own shop 10Mhz standard (if available), for improved accuracy. We can provide the 011 optional GPIB interface, tested in talk mode. We can also provide many other HP options, including digital voltmeter display (of trigger threshold), no C channel input, rack mounting and handle kits, and more. E-MAIL walter for a specific configuration and quote. ![]() Caution, over 2.5Mb. Units can be Rack or Desktop Mounting, plus: Option 10 = High stability timebase Option 11 = GPIB Interface Option 20 = DVM Option 21 = DVM with trigger monitor Option 30 = C channel (525Mhz) and 9 digits Option 40 = Universal Input Module |
![]() Overhauled + Cal'd |
From $325 (no C chan or TCXO) to $595 with full features. Add $75 for full NIST/NRC Certificate ![]() |
E-mail us | Want something? Click here to e-mail us! We accept Visa / MC for fast order processing. |
Description | Stock |
Price Each | |
![]() 8918 ![]() CLICK for bigger PIC! ![]() CLICK for bigger PIC! Fast Counting Speed! |
UHF Frequency Counter High performance 560Mhz, multi-channel counter (typical performance to over 700MHz!). 9 Digit LED display, 2 band inputs (10Hz to 100Mhz at 1 megohm and 40Mhz to 560Mhz at 50 ohms) for optimal frequency / impedance performance. Has high stability timebase with adjustable gate time from .01 seconds to 10 seconds for optimal count resolution. Measures frequency only, ideal for a communication bench. Fully overhauled and cal'd. Very good condition, old asset ID marking number neatly painted on lid top. An exceptionally nice high performance counter, it can also accept your master shop standard (at rear) for improved accuracy. Sorry, no manual available. |
![]() Overhauled + Cal'd |
$295 Ea. Add $75 for full NIST/NRC Certificate ![]() |
IMPORTANT ! Graphical logos and trademarks are the property of their respective owners, including RAF, hp, Tektronix, Fluke, RCA, TI, GE, General Radio and Hewlett Packard, and are used here merely to unambiguously identify the products. Sphere Research IS NOT a factory authorized distributor for any of the product lines indicated. |
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