Pulsar Greyline AVFM 6.1 Area Velocity Flow Meter
Pulsar AVFM 6.1: area-velocity; level to 4.6 m; vel 0.031–6.2 m/s; 3×4–20 mA; IP66. RFQ.
RFQ cart holds BOM lines only. Submit for engineering quote.
Key parameters
Fits partially filled pipe and open-channel flow where you need a Pulsar Measurement (Greyline) AVFM 6.1. Ultrasonic area-velocity meter with QZ02L submerged level + Doppler velocity sensor, level 25.4 mm to 4.6 m, velocity 0.031 to 6.2 m/s forward (reverse to −1.5 m/s), level accuracy ±0.25% reading or ±2.03 mm and velocity ±2% reading or ±0.012 m/s, three isolated 4–20 mA outputs, 26-million-point logger, NEMA4X/IP66 enclosure, and 100–240 VAC or optional 9–32 VDC power.
Key advantages
- Level — 25.4 mm to 4.6 m
- Velocity — 0.031–6.2 m/s forward
- Outputs — 3× isolated 4–20 mA + relays
- Logger — 26 million points + USB
- Enclosure — NEMA4X / IP66
Typical applications
- Open-channel flow.
- Partially filled pipes.
- Area-velocity wastewater metering.
Selection guide
- Sensor cable length
- AC vs DC power
- Output mapping
Common mistakes
- Wrong sensor for reverse flow.
- Ignoring IP66 mount sealing.
- Level beyond 4.6 m.
When to RFQ / what to tell us
- Power/sensor options.
- Quantity, ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 46318 |
| Brand | Pulsar Measurement (Greyline) |
| Model | Greyline Instruments AVFM 6.1 Area Velocity Flow Meter |
| Product type | Area Velocity Flow Meter |
| Type | Ultrasonic area-velocity flow meter for partially filled pipes and open channels (AVFM 6.1) |
| Sensor | QZ02L submerged ultrasonic level + Doppler velocity sensor (316 SS / epoxy) |
| Level range | 25.4 mm to 4.6 m (1 in to 15 ft) |
| Velocity range | 0.031 to 6.2 m/s forward; reverse to -1.5 m/s |
| Accuracy | Level +/-0.25% reading or +/-2.03 mm; velocity +/-2% reading or +/-0.012 m/s |
| Outputs | 3 isolated 4-20 mA (flow/level/velocity) or 0-5 V; 2 form-C relays 5 A SPDT |
| Logger | 26 million point data logger with USB flash output + Windows software |
| Enclosure | NEMA4X (IP66) polycarbonate with clear cover |
Documents
FAQ
Q: Level range? A: 25.4 mm to 4.6 m.
Q: Logger? A: 26 million points.
Q: What should I send for a quote? A: Power/sensor options, quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Accuracy | Level +/-0.25% reading or +/-2.03 mm; velocity +/-2% reading or +/-0.012 m/s |
| Type | Ultrasonic area-velocity flow meter for partially filled pipes and open channels (AVFM 6.1) |
| Sensor | QZ02L submerged ultrasonic level + Doppler velocity sensor (316 SS / epoxy) |
| Level Range | 25.4 mm to 4.6 m (1 in to 15 ft) |
| Velocity Range | 0.031 to 6.2 m/s forward; reverse to -1.5 m/s |
| Outputs | 3 isolated 4-20 mA (flow/level/velocity) or 0-5 V; 2 form-C relays 5 A SPDT |
| Logger | 26 million point data logger with USB flash output + Windows software |
| Enclosure | NEMA4X (IP66) polycarbonate with clear cover |
| Power | 100-240 VAC 50/60 Hz 10 VA; optional 9-32 VDC 10 W |
| Electronics Temp | -20 to 60 C |
| Options | Modbus RTU RS485; enclosure heater; IS barriers; extended cables to 152.4 m |
| Document | Greyline / Pulsar Measurement AVFM 6.1 Technical Specifications Rev 7.0 |