Product Overview
Spectroscopy ADC in Nuclear Instrumentation Module (NIM) Format, Canberra Model 8701, Made in USA
Condition
Used, clean and in good condition. It was working before it went into storage; it has not been tested since, but all switches are in working order. The gain knob cover has a crack and still turns with a bit of pressure. The unit pictured is representative of stock. Markings legible: ADC 8701 and CANBERRA on the front panel, MODEL 8701/8706 on the rear panel, and a Canberra Industries label on the rear connector housing reading Model 8701, Made in U.S.A., with serial number.
Ships from our Idaho warehouse the same or next business day. We've been selling online since 1999.
Product Overview
Canberra's Model 8701 is the analog-to-digital stage of a Nuclear Instrumentation Module (NIM) spectroscopy chain, turning each shaped pulse from the amplifier into a channel number for a multichannel analyzer. Its front panel is complete: the GAIN and RANGE selector to 8K, six OFFSET toggles, ZERO, LLD and ULD trims, peak detect controls, and the PHA / SVA and COINC / ANTI toggles. The one flaw is the cracked cover on the gain knob, which can still be adjusted with a bit of pressure.
Key Features
- Concentric GAIN and RANGE selector: 256, 512, 1K, 2K, 4K, 8K
- OFFSET toggles marked 128, 256, 512, 1024, 2048 and 4096
- ZERO, LLD and ULD front panel trim adjustments
- PEAK DETECT section: AUTO / DELAYED toggle, INSP test point, ADJ trim
- PHA / SVA mode toggle and COINC / ANTI gate toggle
- ADC IN and gate BNC inputs on the front panel
- BUSY bar display, 0 to 100%
- Wilkinson type ADC, 100 MHz, 8192-channel resolution
- Rear: DATA ribbon header, LTC/PUR connector, DEAD TIME BNC, NIM power connector, marked MODEL 8701/8706
Applications
- Restoring the ADC stage of a Canberra NIM spectroscopy chain after a converter fails
- Running a teaching lab gamma spectroscopy setup where the gain is set once per experiment
- Feeding the rear DATA header into a Canberra multichannel analyzer input
Frequently Asked Questions
Does it fit a standard NIM bin?
Yes. It is a NIM plug-in with the standard rear power connector.
Does the cracked knob cover affect the gain setting?
The cover is cracked, but the knob can still be adjusted with a bit of pressure.
Is a data cable or manual included?
Not included.
What am I getting, and what am I taking on?
A clean 8701 with working switches and one cracked knob cover, last known working before storage and not tested since. The photos are the spec. Flat-rate shipping in the lower 48, and orders over the free-shipping line ship free.
The label by the rear connector still carries a Meriden, Connecticut street address and a Made in U.S.A. line. Slide it into a powered bin and it can pick up where it left off.
