2-DELMHORST INSTRUMENT CO RC-1 MOISTURE DETECTOR METER! UNTESTED. Both items are on tested, one is complete with electrodes and it looks to be in good working condition. That Othet appears to be incomplete with the back missing And no electrodes. I have included the owners manual and operating instructions are on the lid of both items. Please take a look at our store as we do combine shipping and constantly have new items being listed. Thank you
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