High Flow – 4040 Series

The TSI flowmeters of the 4040 High Flow Series are designed for the accurate measurement of high gas flows, ensuring consistent performance, ultra-fast response times and minimal pressure loss across the entire measuring range.

Model: 40401, 4040, 4043, 4045
Flow rate:
Range: 40401 e 4040 0-300 Std L/min, 4043 0-200 Std L/min, 4045 0-300 Std L/min 
Accuracy — Air or O2: ±2% of reading or ±0.05 L/min standard (highest value applies)
Accuracy N₂: ±3% of reading or ±0.1 L/min, standard (highest value applies)
Response time: 4 ms to reach 63% of the full range scale value
Units displayed on the LCD display: L/min, Std L/min
Overall dimensions (L × P × A): 7.2” x 2.5” x 2.1” (182 x 63 x 53 mm)
Volume: Measuring range: 0.01 – 99.9 liters; Accuracy: ±2% of reading
Pressure: Measuring range: 50 – 199 kPa absolute; Accuracy: ±1 kPa; Response time: < 4 ms to reach 63% of the final value following a step change in pressure
Temperature: Measuring range: 0 – 50 °C; Accuracy: ±1 °C with flow rate greater than 1 standard L/min; Response time: < 75 ms to reach 63% of the final value following a step change in temperature
Outputs: Analog: 0–10 VDC (flow rate only), zero and full scale adjustable via RS232 or Digital: RS232
Power supply: DC input 7.5 VDC ±1.5 V, maximum absorption 300 mA