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EPW104 Schneider Wet Differential Pressure Transducer 0-100 PSIG 4-20mA 0-5V 0-10V LCD Display HVAC
Product Summary
EPW104 Schneider Wet Differential Pressure Transducer The EPW104 is a wet-media differential pressure transducer from the Schneider Electric EPW series, designed for installations where both pressure ports encounter liquid rather than air. This transducer provides continuous differential pressure ...
Basic Properties
Place of Origin:
EU
Brand Name:
Schneider
Certification:
CE RoHS
Model Number:
EPW104
Trading Properties
Minimum Order Quantity:
5
Payment Terms:
T/T
Product Description
EPW104 Schneider Wet Differential Pressure Transducer
The EPW104 is a wet-media differential pressure transducer from the Schneider Electric EPW series, designed for installations where both pressure ports encounter liquid rather than air. This transducer provides continuous differential pressure measurement across strainers, coils, or pumps without requiring the isolation hardware needed by dry-cell devices.
Product Overview
Differential pressure measurement reveals hydraulic condition directly, and the EPW104 is engineered for continuous operation in wet media applications. The pressure-sensing element features a stainless steel diaphragm that resists corrosion from ordinary building water with dissolved oxygen and treatment chemicals. Output is field-selectable between three common analog forms, allowing one part number to accommodate different panel conventions. The integral LCD display simplifies commissioning by providing live readings at the device before wiring verification.
Specification Summary
| Product Type | Wet differential pressure transducer with local display |
|---|---|
| Order Number | EPW104 |
| Pressure Range | 0 to 100 psig, with field-selectable sub-ranges (0-10 / 0-20 / 0-50 / 0-100 PSID) |
| Output Signal | Field selectable 4-20 mA, 0-5 V DC or 0-10 V DC |
| Wiring | Three-wire connection |
| Supply Voltage | 12 to 30 V DC; 24 V AC nominal |
| Sensing Element | Stainless steel diaphragm for wet media |
| Local Display | Integral LCD showing live differential pressure |
| Process Connection | 1/8 in. pressure fittings |
| Housing Dimensions | Approximately 102 mm high x 147 mm wide |
| Media | Water and compatible hydraulic fluids on both ports |
| Compliance | CE marking; RoHS and REACH declarations held by Schneider Electric |
System Integration Notes
Output form selection is performed on-site and should be documented, as incorrect mode selection can lead to inaccurate readings. The three-wire configuration shares a common return between supply and signal, requiring cable screens to be landed at the panel end only to prevent ground loops through wet pipework. For strainer monitoring applications, trending pressure changes from clean-filter baselines over weeks provides more useful data than instantaneous alarm thresholds. Proper purging of both impulse lines is essential to eliminate air pockets that cause stable but incorrect offsets.
Application Scenarios
- Chilled and heating water circuits: Monitoring strainer loading where rising differential pressure provides early warning of filter maintenance needs
- Pump performance monitoring: Comparing suction and discharge conditions to detect impeller wear or cavitation before failure
- Coil and heat-exchanger fouling detection: Identifying drift in water-side differential pressure for planned maintenance scheduling
- Variable-flow systems: Supporting pump speed control and differential-pressure reset for energy optimization in part-load conditions
- Commissioning verification: Temporary use by engineers to validate balancing valve settings before permanent sensor installation
Product Details
Highlight:
Schneider wet differential pressure transducer
,EPW104 HVAC pressure sensor
,LCD display pressure transducer 4-20mA
Power Supply:
Battery Powered / PoE / USB
Control Modes:
Automatic KNX Sensor Linkage
Loadtype:
Resistive And Inductive
Protection Rating:
IP20 Protection Level
Lightsensortype:
Ambient Light Sensor
Sensortype:
Multi-functional Environmental Sensor
Ms. Nora
Sales Manager
- Email: nora@knxcomponents.com
- Tel: +8613427540176
- WhatsApp: 8613427540176
-
WeChat:
+8613427540176
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