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Part Number: 006920221 Product Code: STP300-100 -50/50
4-20mA 100mm Stem Two Wire Water Signal
Product Overview
Measurement Precision: Every hydronic control loop depends on the accuracy of its sensing probe. The 006920221 is engineered as a precision measurement instrument, featuring a stainless-steel stem that installs through a separate closed pocket, allowing element replacement without draining the circuit.
Robust Construction: A sealed transition separates wet metal from cable connections, while the factory-fitted gland protects against condensation, dust, and wash-down spray. This passive device requires no firmware updates or battery replacements, drawing minimal current from the controller's measuring circuit.
Bipolar Range Advantage: Specifically designed for circuits that may drop below freezing, the bipolar temperature span prevents signal clipping at low temperatures, ensuring accurate monitoring throughout the entire operational range.
Each unit undergoes traceable temperature reference calibration before packaging, with documentation suitable for commissioning records, handover dossiers, and energy-audit evidence.
Technical Specifications
Part Number
006920221
Product Code
STP300-100 -50/50
Product Family
STP300 (4-20 mA transmitter)
Sensing Element
Electronic temperature transmitter with linearised current output
Signal Path / Wiring
Two-wire loop carrying both supply and signal
Supply Voltage
15 to 36 V DC loop supply
Probe Length
100 mm (3.94 in.)
Temperature Range
-50 to +50°C (-58 to +122°F)
Accuracy
±0.4% of range
Mounting
Immersion through 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 host controller input
Approvals
CE, RoHS, REACH; Schneider Green Premium documentation
Application Scenarios
This transmitter variant is specifically engineered for demanding environments including:
Cold-store pipework and refrigeration systems
Ice-water loops and chilled water circuits
Outdoor hydronic circuits and exposed piping
Chilled accumulators during pull-down phases
The bipolar temperature range ensures measurement remains within the calibrated band during sub-zero conditions, enabling frost-protection systems to operate on accurate data rather than assumptions. The 4-20 mA signal protocol maintains integrity over long cable runs, making it ideal for installations where control panels are located at significant distances from monitored piping.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Seller,Trading Company,Exporter
Year Established:
2019
Total Annual:
800000 USD-1000000
Employee Number:
50~80
Ecer Certification：
Verified Supplier
Maituo Intelligent Technology Co., Ltd. has been a professional provider of Building and Home Automation Solutions in China since our establishment. With a focus on delivering intelligent, integrated systems for both commercial buildings and residential spaces, we have forged a strong reputation by ... Maituo Intelligent Technology Co., Ltd. has been a professional provider of Building and Home Automation Solutions in China since our establishment. With a focus on delivering intelligent, integrated systems for both commercial buildings and residential spaces, we have forged a strong reputation by ...
