Overview
The IFM SI1010 flow sensor is a thermal flow sensing controller manufactured by IFM Efector for monitoring and controlling flow rates in industrial applications. This controller is designed to detect the flow velocity of liquids and gases in process pipes, offering reliable operation in manufacturing, chemical processing, and hygienic environments.
Key Features
- Thermal flow sensing technology for accurate velocity detection
- 3–300 cm/s setting range for flexible flow measurement
- DC PNP output with normally open/closed programmable logic
- Multicolor LED bar graph display for easy status indication
- Robust stainless steel housing rated IP67
- User-friendly push-button setup with no external programming required
Technical Specifications
The IFM SI1010 delivers the following verified specifications:
- Operating Voltage: 20–36 VDC
- Output Type: PNP (sourcing)
- Flow Velocity Range: 3–300 cm/s
- Process Connection: M18 × 1.5 internal thread
- Probe Length: 45 mm
- Operating Temperature: −25 to 80°C (−13 to 176°F)
- Maximum Pressure: 4,350 psi
- Housing Material: Stainless steel
- IP Rating: IP67
- Current Consumption: 400 mA typical
- Weight: 0.64 lbs
Typical Applications
- Cooling water flow monitoring in industrial machinery
- Hydraulic and pneumatic system flow control
- Chemical and process liquid flow detection
- Sanitary food and beverage processing environments
- Equipment protection against low-flow conditions
Compatibility & Replacements
Compatible With
- 24 VDC and 36 VDC industrial control systems
- PLC input modules with PNP sensor capability
- Standard process pipe connections M18 × 1.5
- Hygienic and general industrial flow monitoring applications
Replaces / Drop-In Replacement For
- IFM SI1000 (earlier compact variant)
- IFM SI1020 (related legacy models)
- Legacy thermal flow switch models with M18 threading
Works With
- Standard PLC analog and digital input cards
- Industrial control systems with 20–36 VDC supply
- Mounting adapters (e.g., IFM U00021 flow adapter)
- Programmable logic controllers from Rockwell, Siemens, and other major vendors
