NT® High-Temperature Flowmeter Model 4401
● Can handle up to 180°C (356°F) process chemical temperature.
● No moving parts to generate particles.
● Nonmetallic sensing technology for reliable measurement.
● Pressure output included – eliminates need for additional instruments.
● Easy installation in any orientation.
● PTFE, PFA, CTFE, and Kalrez® wetted surfaces for high-purity applications.
● 100% functionally tested prior to shipment. Performance is calibrated for an accuracy of 1% of full scale.
Specifications ：
● Can handle up to 180°C (356°F) process chemical temperature.
● No moving parts to generate particles.
● Nonmetallic sensing technology for reliable measurement.
● Pressure output included – eliminates need for additional instruments.
● Easy installation in any orientation.
● PTFE, PFA, CTFE, and Kalrez® wetted surfaces for high-purity applications.
● 100% functionally tested prior to shipment. Performance is calibrated for an accuracy of 1% of full scale.
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| Materials: | |
| Wetted parts | Sensor module body: PTFE |
| Orifice module body: PFA | |
| Sensor interface: PFA (CTFE available) | |
| Impulse tubes: PFA | |
| Primary seal: Kalrez® 6375 UP | |
| Nonwetted parts |
Polypropylene, polyethylene, PVDF and PVC or FEP-jacketed cable (in addition to materials listed above) |
| Process temperature: | 10°–180°C (50°– 356°F) |
| Process connection options: | FlareLock® II flared tube, Super 300 Type Pillar®2 — 1/4,” 3/8,” 1/2,” 3/4,” 1” |
| Bleed port connection: | Flaretek® flared tube, Super 300 Type Pillar® — 1/4” |
| Impulse tube connection: | FlareLock® II flared tube, Super 300 Type Pillar® — 1/4” |
| Electrical input: | 24 VDC (12–28 VDC input voltage) |
| Electrical output: | Two 4 –20 mA electronically isolated outputs, one for flow and one for outlet |
| Pressure: | |
| Operating pressure | 0 – 414 kPa (0 – 60 PSIG) |
| Pressure drop |
21 kPa (3 PSIG) at nominal flow (nominal flow = 80% of full scale flow) |
| Overpressure limit: | 690 kPa (100 PSIG) @ 23°C (72°F) |
| Flow measurement accuracy: | |
|
from greater than 20 –100% of full scale |
±1.0% full scale |
| 10 –20% of full scale | ±2.5% full scale |
|
Accuracy stated as % of full scale using deionized water at 23°C (70°F) and includes the combined effects of linearity hysteresis and repeatability |
|
| Repeatability: | |
|
from greater than 20 –100% of full scale |
2% full scale |
| 10 –20% of full scale | 5% full scale |
| Pressure measurement accuracy: | ±1% of full scale (includes combined effects of linearity, hysteresis and repeatability) |
| Electrical enclosure: | NEMA 5/IP54 |
| Weight: | 1.50 kg (3.3 lb) approximate |
| Approvals: | CE |
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