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10-foot Microphone Extension Cable for Sound Examiner Sound Level Meters 059-733

10-foot Microphone Extension Cable for Sound Examiner Sound Level Meters 059-733.

PID Sensor Cleaning Kit for EVM-7 Environmental Monitor 074-080

PID (ppm or ppb) sensor lamp cleaning kit for EVM-7 Environmental Monitor.

PID PPM Replacement Lamp 074-081

PID PPM Replacement Lamp 074-081 for EVM Environmental Monitors.

Surveyors Tripod 854057

Johnson's heavy-duty aluminum tripod, with a quick connection for equipment with a 5/8"-11 thread. It extends to a maximum height of 67", and its feet have sharp metal points for sturdy use on uneven outdoor terrain. Each leg has a quick clamp lock offers quick and secure...