Dakota Instruments’ 6A03 acrylic flow meters are offered with interchangeable direct reading scales for air, water, argon, oxygen, carbon dioxide, nitrogen, helium, and hydrogen. Dual scales display flow rates in both metric and English units. Optional scales can be developed for diverse flow conditions, facilitating OEM applications. The flow meters are supplied with inline 3/4 female NPT connections. Maximum temperature is 130°F and maximum pressure is 100 psi. Accuracy is ±3% full scale.