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5123180010 Schneider STP500-300 Liquid Line Thermo Element 300mm Stem 10k Ohm Curve 3 Pocket Well
Product Summary
5123180010 Schneider STP500-300 Liquid Line Thermo Element Every hydronic control loop inherits the accuracy of the probe that feeds it, which is why the 5123180010 is treated as a measurement instrument rather than an accessory. Catalogued by Schneider Electric inside the STP500 (10 kOhm, curve ...
Basic Properties
Place of Origin:
EU
Brand Name:
Schneider
Certification:
CE RoHS
Model Number:
5123180010
Trading Properties
Minimum Order Quantity:
5
Payment Terms:
T/T
Product Description
5123180010 Schneider STP500-300 Liquid Line Thermo Element
Every hydronic control loop inherits the accuracy of the probe that feeds it, which is why the 5123180010 is treated as a measurement instrument rather than an accessory. Catalogued by Schneider Electric inside the STP500 (10 kOhm, curve type 3) range, it carries a stainless-steel stem that is lowered into the water stream through a separate closed pocket, so the sensing element can be swapped during a maintenance window without draining the circuit.
Behind the stem a moulded, sealed transition separates wet metal from the cable, and the factory-fitted gland keeps condensation, dust and wash-down spray away from the conductor. Because the device is passive it draws no meaningful current, needs no firmware update and has no battery to schedule for replacement; the controller's own measuring circuit supplies the excitation and reads the returning value. Every unit is checked against a traceable temperature reference before packing, and the paperwork that travels with it suits commissioning records, handover dossiers and energy-audit evidence.
A 300 mm insertion suits energy-centre manifolds and mid-size buffer vessels, where the vertical distance between the pipe wall and the useful measuring point is substantial.
Technical Specifications
| Part Number | 5123180010 |
|---|---|
| Product Code | STP500-300 |
| Product Family | STP500 (10 kOhm, curve type 3) |
| Sensing Element | Passive 10 kOhm thermistor, curve type 3 |
| Signal Path / Wiring | Two-wire resistance loop wired to the controller analogue input |
| Supply | None required; excited by the controller measuring circuit |
| Probe Length | 300 mm (11.81 in.) |
| Temperature Range | Chilled and low-temperature hot water circuits per the STP500 curve |
| Accuracy | Matched to the standard HVAC control grade for this curve |
| Mounting | Immersion through a separate closed pocket (pocket ordered separately) |
| Stem Material | Stainless steel, corrosion resistant |
| Cable | 2 m PVC-sheathed flying lead with 20 mm (0.79 in.) fitting and gland |
| Housing | Sealed plant-room construction, IP-rated against condensation |
| Response | Curve matched to the host controller input |
| Approvals | CE, RoHS, REACH; Schneider Green Premium documentation |
Application Scenarios
Stratification is the variable of interest in thermal storage, and it can only be tracked by a probe that physically occupies the depth where the temperature gradient lives. With a 300 mm stem the controller can follow the charge and discharge front inside a buffer vessel and schedule chiller or boiler output against what the vessel actually holds rather than what the setpoint assumes. The same reach serves large manifold runs in energy centres, where several circuits converge and a representative reading depends on getting past the disturbances created by elbows, reducers and adjacent tappings. Curve type 3 keeps the chilled-end sensitivity that makes those gradients legible.
Product Details
Highlight:
Schneider STP500-300 thermo element
,10k Ohm curve 3 pocket well
,300mm stem liquid line sensor
Material:
ABS Plastic Housing
Type:
Electrical Switch Actuator
Data Logging:
Internal Memory With Timestamp
Control Modes:
Automatic KNX Sensor Linkage
Data Reporting Interval:
Configurable, Default 5 Minutes
Timer Function:
Supports Scheduling And Timer Settings
Ms. Nora
Sales Manager
- Email: nora@knxcomponents.com
- Tel: +8613427540176
- WhatsApp: 8613427540176
-
WeChat:
+8613427540176
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