APG MNU ultrasonic level sensor with Modbus RTU (RS-485), ranges 0.1 to 12.2 m
Pricing depends on specification, quantity and delivery location. Send your requirement and we reply with a costed quotation within 24 hours.
Quick overview
- Type: Level
- Signal / Protocol: Modbus, RS-485
- Hazardous area: General purpose
- Genuine productsSourced from the manufacturer or authorised channels
- Delivery across BangladeshDhaka, Chattogram and all industrial zones
- After-sales supportInstallation guidance and warranty handling
- Reply within 24 hoursCall +880 1713 552466 or email hello@argonmark.com
Specifications
| General | |
|---|---|
| Part no. | BD-1478 |
| Category | Oil & Gas Instruments |
| Group | Instrumentation & Control |
| Brand | APG |
| Model | MNU (MNU-5414/5424/8424/2424/3434) |
| Technical | |
| Type | Level |
| Signal / Protocol | Modbus, RS-485 |
| Hazardous area | General purpose |
Datasheet
Technical features
| Self-contained sensor measuring distance, level or volume | |
| Modbus RTU slave on RS-485; Windows software to adjust internal parameters | |
| Low 22 mA current draw for remote and telemetry sites | |
| Internal temperature compensation | |
| PVDF-faced ceramic transducer; 1, 2 or 3 in NPT mount |
Applications
| Remote tank level and volume monitoring over Modbus networks | |
| Telemetry and cloud tank monitoring systems |
Key specifications
| Range | 101 mm to 12.19 m depending on model |
|---|---|
| Accuracy | ±0.25% of detected range |
| Resolution | 2.5 mm |
| Output | Modbus RTU over RS-485 (slave) |
| Supply | 8–24 V DC, 22 mA |
| Enclosure | PC/PBT, NEMA 6P |
Specification
| Beam angle | 9° off axis |
|---|---|
| Accuracy | ±0.25% of detected range |
| Resolution | 2.5 mm |
| Response time | Programmable |
| Output | Modbus RTU, RS-485 |
| Supply | 8–24 V DC, 22 mA |
| Connection | 4-conductor twisted-pair cable (1.8 m standard) or 4-pin micro-connector |
| Materials | PC/PBT upper housing; ceramic transducer, PVDF faced |
| Operating temperature | −34 to +60 °C |
| Protection | NEMA 6P |
Models
| Model | Range | Frequency | Process connection |
|---|---|---|---|
| MNU-5414 | 101–2,007 mm | 143 kHz | 1 in NPT |
| MNU-5424 | 101–2,007 mm | 143 kHz | 2 in NPT |
| MNU-8424 | 125–3,658 mm | 81 kHz | 2 in NPT |
| MNU-2424 | 0.30–7.62 m | 69 kHz | 2 in NPT |
| MNU-3434 | 0.46–12.19 m | 43 kHz | 3 in NPT |
Notes
| Data from the manufacturer's published datasheet. Confirm model, range, materials and approvals with Argonmark before ordering. |
Photo: courtesy of APG, used with permission (source) — background removed by Argonmark. All photo credits
Description
The APG MNU is a self-contained ultrasonic sensor that reports distance, level or volume over Modbus RTU (RS-485) as a slave device. Five models cover ranges from 101 mm up to 12.2 m, all with ±0.25% accuracy and 2.5 mm resolution and internal temperature compensation.
It draws only 22 mA from an 8–24 V DC supply, has a PVDF-faced transducer in a NEMA 6P housing, and mounts with a 1, 2 or 3 in NPT thread depending on the model.
Argonmark Ltd supplies APG instruments across Bangladesh — Dhaka, Chattogram, Gazipur, Narayanganj and the gas fields, refineries, terminals and power plants beyond. Send us the model, range, process connection, output and any hazardous-area requirement, and we will confirm the right configuration, lead time and price.
Questions & answers
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