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Two Channel Mercury Gage Passive Signal Conditioner For Grass Instruments polygraphs only. Interfaces 2 Hg gages to Grass Instr. DC amplifiers. Used to monitor the Sleep Erection Cycle (SEC), respiration and limb girth changes. Powered by the DC amplifier. Supplied with 8m(25ft) detachable remote input cable. Uses our exclusive REMOTE GAGE COMPENSATION*
| Part No: SC-2Hg(Grass) specify model polygraph | Price: $475 |