Mass Flowmeter for Gases - 41403

• Fast and accurate
• Low pressure drop
• Gas Calibration: Air, O2, N2, N2O
• Inlet/Outlet Diameter: 0.25” (6.4 mm)
• Flow Measurement Range: 0.01-20 Std L/min
• Volume Measurement Range: 0.01 - 99.9 liters​
• Pressure Measurement​ Range​: 50-199 kPa absolute​
• Temperature Measurement​ Range​: 0-50°C​
• ​DC Power Input​: 7.5 VDC ±1.5 V, 300 mA max​

  • Model Number: 41403
  • Data Sheet: Date Sheet File
Quantity:
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  • Mass Flowmeter for Gases
  • Mass Flowmeter for Gases
  • Mass Flowmeter for Gases
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Product Specification

41403 Mass Flowmeter PRODUCT DETAILS
The TSI Nitrous Oxide Mass Flowmeter 41403 (LCD, 0.01-20L/min N2O, Air, O2, N2 1/4" tube) can be used for a multitude of gas flow measurement applications. Whether measuring gas flows in a laboratory or manufacturing setting, TSI general purpose mass flowmeters provide accurate results with multiple data output options. The display versions come complete with accessories making setup and operation fast and convenient.

The TSI Nitrous Oxide Flowmeters are specified as three percent of flow rate reading. One TSI Nitrous Oxide Flowmeter covers the same range as three percent (or more) of full scale devices, with better accuracy at most points. Four millisecond response ensures accuracy in fluctuating flows. This fast response time of the TSI mass flowmeter is ideal for closed-loop control systems and integrated volume measurements. Low pressure drop of the TSI Nitrous Oxide Flowmeter minimizes flow circuit back pressure and its impact on the system.

41403 Mass Flowmeter FEATURES AND BENEFITS
• Fast and accurate
• Low pressure drop

41403 Mass Flowmeter APPLICATIONS
• Medical
• Industrial
• Laboratory

41403 Mass Flowmeter SPECIFICATIONS – DIGITAL DISPLAY MODELS

Model
41403
Gas Calibration
Air, O2, N2, N2O
Inlet/Outlet Diameter
0.25” (6.4 mm)
Flow Measurement
Range
0.01-20 Std L/min
Accuracy — Air and O2
±2% of reading or 0.005 Std L/min, whichever is greater
Accuracy — N2
±3% of reading or 0.010 Std L/min, whichever is greater
Accuracy — Air and O2 mixture
N/A
Accuracy — N2O
±3% of reading or 0.010 Std L/min, whichever is greater
Response
4 ms to 63% of full scale flow
LCD Display Units
L/min, Std L/min, cm 3 /min, Std cm 3 /min
Overall Dimensions
5” x 2” x 1.25” (127 mm x 49 mm x 32 mm)
Volume Measurement
Range
0.01 - 99.9 liters
Accuracy
±2% of reading (see Operator’s Manual for additional details) 
Pressure Measurement
Range
50-199 kPa absolute
Accuracy
±1 kPa
Response
<4 ms to 63% of final value for step charge
Temperature Measurement
Range
0-50°C
Accuracy
±1°C at flow greater than 1 Std L/min
Response
<75 ms to 63% of final value for step change
Outputs
Analog
0-10 VDC flow only, zero and span adjustable via RS232
Digital
RS232
DC Power Input
7.5 VDC ±1.5 V, 300 mA max


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