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- OVAL EX DELTA II - Battery Powered PAF5 Model
EX DELTA II PAF5 Battery Flowmeter
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The OVAL EX DELTA II – Battery Powered PAF5 Model is a highly accurate vortex flowmeter designed for reliable liquid, gas, and steam measurement without external power.
Running on lithium battery packs, it operates continuously for up to 7 years, making it ideal for remote or stand-alone installations.
Features include simultaneous display of total and instantaneous flow, bar graph visualization, and alarm functions. With IP66/67 waterproofing, intrinsic explosionproof design, and optional remote transmitter up to 50m, the PAF5 ensures long service life and consistent performance even in “dirty” process fluids.
FEATURES
1. Wide flow range with a high degree of meter accuracy.
2. Liquid service EX DELTA Ⅱ DIA has our proprietary diamond-shaped vortex shedding bluff body combined with a separately-mounted sensor to reduce scale buildup to a minimum, justifying its use with consistent performance in “dirty” process fluid applications (patent applied for).
The sensor is isolated from the process material and a simple design with no moving part contributes to long service life.
3. Battery powered, it requires no electrical installation from an external power source. [Uses five 3.6V lithium metal battery packs. Good for 7 years on a 24 hours a day continuous operation (model integral with a preamplifier), or 4 years (model with separately mounted preamplifier) basis.
4. Has multiple display functions such as simultaneous display of the total and the instantaneous flow rates, bar graph display of the instantaneous flow rate, and alarm display functions including pre-announcement of low batteries.
5. Waterproof (IP66/67) and intrinsically safe explosion-proof configuration (Exd IIB H2T1, T4). Ideal to serve as a flow sensor dedicated to local monitoring.
6. Models with separately mounted preamplifier enables the
operator to monitor multiple sensors at a central control room.
GENERAL SPECIFICATIONS
| Model | Standard | Dia-shaped | ||
| Nominal size |
Wafer type | 10 to 150mm(15 mm min. for steam) | 15 to 80mm | |
| Flange type | 15 to 300mm | 50, 80mm | ||
| Applicable tube size | － | － | ||
| Flow range |
Fluid (water) | 0.2* to 2510m3/h(11 types) (* Accuracy ±2% FS at 10 mm) |
0.8 to 172m3/h(5 types) | |
| Gas (0.2 MPa air) | 2*to 15000m3/h(11 types) (* Accuracy ±2% FS at 10 mm) |
－ | ||
| Steam (0.5 MPa saturated steam) |
0.02 to 47.6t/h (10 types) (15mm min.) |
－ | ||
| Applicable fluid | Liquid, gas, steam | Liquid | ||
| Operating temp. range | –30 to +300°C –30 to +460°C(For high temperature of replaceable sensor) |
|||
| Flange standard | JIS 10, 20, 30K ASME/JPI 150, 300, 600 | |||
| Max. operating pressure | 4.51MPa (Depends on flange standard and flange material.) | |||
| Accuracy | ±1% of reading or ±1% of full scale | |||
| Power supply | DC-powered or battery-powered | |||
| Body material | SUS316 or SCS14A | |||
| Configuration | Explosionproof or non-explosionproof, IP66 (DC-powered), IP65 (battery-powered)） |
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| Output | Analog, pulse | |||
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