2-channel dust particle counter, model: hhpc 2+ (handheld type using rechargeable batteries and 220vac power) from beckman coulter (met one), usa.�100% new goods, used in the laboratory
2-channel dust particle counter, model: hhpc 2+ (portable type with rechargeable battery and 220vac power), from beckman coulter (met one), usa.�100% new goods, used in the laboratory