SmartTrak® 101 (µ-flow)

Capillary Mass Flow Meters and Mass Flow Controllers

SPECIFICATION   |   CAD DRAWING

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•  Small design - easy installation
•  Multiple analog or digital signals
•  24 VDC input power reduces installation cost and complexity

MicroTrak™ is specifically designed for flow ranges under 4 mln/min with a minimum controllable mass flow rate of 0.08 mln/min.

The Model 101 is a specialized and highly engineered instrument for those who need accurate and reliable micro mass flow control of clean gases including corrosives and toxic media. MicroTrak™ is based on award-winning family of digital instruments. As a result, ease of operation, field configuration, multi-gas capability and application flexibility are standard features.

The MikroTrak comes standard with all kinds of analog in and set-point abilities and RS232. Optionally you can add the pilot module (as shown in above picture) mounted on the unit or up to 3 meter remote. The pilot module adds a clear back-lit LCD display and the ability to change all kind of setting like set-point and the type of gas used. Alternatively you can add the Compod on the unit that will add Modbus, Advanced alarms, totalizer, analog input, pulse output and a lot more. See
separate Compod datasheet for more detail.
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Features of the SmartTrak 101 Mass Flow Controller include:

• Measure and control flow of gas from 4 mln/min down to 0.08 mln/min
• Digital performance
• Includes Dial-A-Gas® multi-gas capability that enables use with 10 different gases
• 316 stainless steel construction suitable for any
• clean gas, even corrosives and toxics
• Small footprint makes installation easy
• Single-sided power input reduces installation cost and complexity
• Choose from multiple analog or digital signals
• Supports Modbus and Profibus DP

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SmartTrak 101 Mass Flow Controller

Brand: Voegtlin

Part Ref: ST101
IWN: FLO-ST101

Category: Flow Meters, Capillary Mass Flow Meters, Mass Flow Controllers

Gas: Clean Gas, Corrosives, Toxic

Specification Detail of the SmartTrak 101 Mass Flow Controller:

Dial-A-Gas
+/- 1% of full scale in all 10 standard gases

Wetted Material
316 stainless steel, 416 stainless steel; Viton® “O”-rings and valve seat
standard; other elastomers are available (consult factory

Repeatability
+/- 0.2% of full scale

Accuracy    
+/- 1% of full scale including linearity under calibration conditions

Temperature Coefficient
0.05% of Full Scale per °C, or better

​Pressure Coefficient
0.15% of Full Scale per bar, or better

Output Signal - Analog:
Linear 4 to 20 mA, 500 ohms maximum loop resistance and one of the following: Linear 0 to 5 VDC, 0 to 10 VDC, 1 to 5 VDC, 1000 ohms
minimum load resistance

Output Signal Digital:
Standard RS232; Pilot Module Display optional

Gas & Ambient Temperature
0°C to 50°C

Leak Integrity
5 X 10-9 standard cc/sec of helium maximum

Gases
All clean gases including corrosives & toxics; specify when ordering. The following ten gases make up the Dial-A-Gas® feature of every MicroTrak™ instrument; up to nine alternate gases may be substituted. 

Power Requirements
(Ripple noise not to exceed 100mV peak-to-peak)
For Mass Flow Meters:15 to 24 VDC +/- 10% (130 mA maximum)
For Mass Flow Controllers: 24 VDC +/- 10% (400 mA, regulated) for C101
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Control Range For Controllers
2–100% of Full Scale flow; automatic shut-off at 1.9 %

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