Features
- Portable mass flow generator housed in a weather-tight, impact resistant carry case
- Employs PID modulated rotary pumps for quiet and efficient operation
- User can calibrate and change multiple settings on the instrument, with flow set-point and actual flow displayed during operation
- Wide ranges of 5-100, 50-500, and 400-2000 SLPM
- Ideal for medium to large mammals, from goats up to elephants or whales
- Long-life pump with very low noise
Description
The Sable field version FlowKit is a integrated low-noise pump and mass flow generator housed in a portable, virtually indestructible carry case. It’s designed to accurately and quietly deliver large flow rates for applications such as large animal respirometry, or air circulation in small, controlled environments. Available in 3 different models – the FK-100-1, FK-500-1 and FK-2K-1 – for flow ranges of 5-100, 50-500, or 400-2000 liters per minute.
The FlowKit relies on modulating a powerful but quiet pump in order to create the set mass flow rate. Ultra-efficient PID (proportional integral derivative) control is used for quick response to setpoint changes and minimal variation from the setpoint. As a result, the pump works only as hard as it has to, greatly reducing pump wear, power consumption and noise.
A sub-sampling pump simplifies plumbing to a respirometry system, and features both analog and serial outputs for easy connection to a data acquisition system. The FlowKit requires no temperature or barometric pressure correction because it generates mass or molar flow rates already corrected to STP. It also features a user-configurable alarm to alert users locally and remotely if a fault develops.
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Specifications
| Accuracy and Resolution: | Accuracy better than 2% of full scale typical, resolution 1 liter |
| Analog Output: | BNC |
|
0-5V for 0-100 L/min |
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0-5V for 0-500 L/min |
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0-5V for 0-2000 L/min |
| Control algorithm: | PID (Proportional-Integral-Derivative) control for optimum stability; all PID parameters are user-adjustable |
| Operating Temperature: | 5 – 45 degrees C, relative humidity non-condensing |
| Panel Display: | Digital, 2 x 16 alphanumeric LCD |
| Range | |
|
5-100 L/min STP |
|
50-500 L/min STP |
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400-2000 L/min STP |
| Serial Output: | RS232-8N1; baud rate 9600; both polled and broadcast modes available |
| Technology: | Calibrated, linearized mass flow meter and efficient, controllable rotary pump |
| Connections: | Main flow – cam & groove 1.5-inch coupler (FK-2000 has 2-inch coupler); sub sample – nickel-plated barb fittings for 1/8 in (3mm) ID flexible or semi-rigid tubing |
| Recommended Calibration Interval: | 1 Year |
| Power Requirements: | 12 – 24VDC; universal adapter supplied |
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