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Orion A/A+ pH Meter Triodes
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EA - O-9107BN - Orion Gel-Filled Triode for Older "A" Meter (O9107BN)
O-9107BN
Orion® gel-filled standard low-maintenance pH/ATC triode with epoxy body, BNC and 8-pin connectors, and 1 m/3 ft cable compatible only with the A and A+ series pH meters, recommended for routine pH uses
EA - O-9157BN - Orion Triode for Older "A" Meters (O9157BN)
O-9157BN
Orion® refillable standard pH/ATC triode with epoxy body, BNC and 8-pin connectors, and 1 m/3 ft cable compatible only with the A and A+ series pH meters, recommended for routine pH uses
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