The Model 4199 Battery Pack/Stand is an accessory for all LCD display TSI Flowmeters: Models 4040, 4043, 4045, 4046, 4140, 4143, 4146, 41403, and 41433. Powered with only six alkaline batteries, the battery pack/stand allows the flowmeter to be used in areas where AC power is not available or inconvenient.
