Flow Measurement – Stalwart LLC

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Key Features & Benefits
- Bidirectional measurement for conductive liquids ≥5 μS/cm.
- High accuracy: ±0.5% (±0.2% optional for reference conditions).
- Compact or remote versions for flexible installation (PEM-1000ALW / PEM-1000NW).
- Multiple liner options: hard rubber, neoprene, PTFE, or PFA.
- Durable materials: 316L stainless steel, Hastelloy, or Tantalum electrodes.
- Smart communication: Modbus RTU over RS485 interface.
- Analog and pulse/frequency outputs for universal integration.
- Empty pipe detection and adjustable low flow cut-off.
- Ingress protection up to IP68 for harsh conditions.
- Potable water version (PZH) and high-temperature version (WT) available.
- Easy setup and configuration via LCD interface or Modbus commands.

Key Features & Benefits
- Electromagnetic measurement – no moving parts, low maintenance
- Bidirectional flow measurement (total and instantaneous flow)
- High accuracy ± 0.5 % of reading (optional ± 0.2 %)
- Suitable for conductive liquids (≥ 5 µS/cm)
- Output signals: 4–20 mA, pulse, or frequency output
- Digital communication via Modbus RTU / RS-485
- Configurable alarms for low flow and empty pipe
- Compact and robust design with IP67 or optional IP68 protection
- Optional junction box (PP-PEM) and remote HMI panel
- Versions for installation without straight pipe sections (CP version)
- Wide pressure range up to 4 MPa and temperature up to 130 °C (WT version)
- Compatible with potable water systems (PZH version)

Key Features & Benefits