Endress+Hauser TMR31-A1BABBAX1AAA | Pt100 RTD Temperature Sensor 4-Wire
Endress+Hauser TMR31-A1BABBAX1AAA compact temperature probe. Pt100 RTD Class A, 4-wire, G1/2 process connection, -50 to +150°C range, stainless steel.
Product Overview
The Endress+Hauser TMR31-A1BABBAX1AAA is a compact resistance temperature detector (RTD) probe designed for direct installation in tanks and pipelines. It features a 4-wire Pt100 sensor (IEC 60751 Class A) for high accuracy, a G1/2" threaded process connection, and an all-stainless steel construction suitable for general industrial applications. This model is configured without an integrated head transmitter, providing a direct sensor signal output.
Technical Specifications (Sensor & Performance)
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Parameter
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Specification
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Model
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TMR31-A1BABBAX1AAA
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Sensor Type
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Pt100 RTD (Thin-film)
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Accuracy
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Class A (IEC 60751)
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Connection
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4-Wire
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Measuring Range
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-50 ... +150 °C (-58 ... +302 °F)
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Process Temp. (Max)
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+150 °C (without extension neck)
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Response Time
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t50< 1 s; t90< 2 s (in water, 0.4 m/s)
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Technical Specifications (Mechanical & Ordering)
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Parameter
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Specification
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Process Connection
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G1/2" (External Thread)
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Insertion Length (L)
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40 mm (Standard)
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Probe Diameter
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6 mm
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Housing Material
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Stainless Steel 1.4404 / 316L
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Transmitter
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Without (Direct sensor output)
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Electrical Connection
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Cable Glands / Flying Leads
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Max. Process Pressure
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100 bar @ 20 °C
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Key Features
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4-Wire Pt100 Accuracy: Eliminates lead resistance errors for precise temperature measurement in control loops.
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Compact & Robust: Short insertion length (40mm) and stainless steel construction ideal for space-constrained or high-pressure points.
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Fast Response: Thin-film sensor technology provides rapid reaction to process temperature changes.
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Direct Sensor Output: Designed for connection to external temperature transmitters or PLC RTD input cards.
Applications
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Tank Temperature Monitoring: Direct mounting in liquid storage tanks for process control.
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Pipeline Sensing: Inline temperature measurement in water, oil, or chemical lines.
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HVAC & Machinery: Compact temperature sensing in industrial chillers, heat exchangers, and hydraulic units.
About ACH
Founded in 2012, ACH is a top-tier distributor of industrial automation products, supplying genuine devices from leading brands like ABB, P+F, E&H, AB, MTL to emerging markets worldwide. Our mission is to provide 100% Genuine products at the most competitive prices, helping customers reduce costs and strengthen their market position.
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Frequently Ask & Questions
Are preferential prices available?
Long-term brand partners can get competitive product prices. At the same time, ACH controls the profit per order to 5%, providing the most competitive prices.
Are the Products Genuine OEM Units?
Yes, all products from ACH are certified genuine OEM units. We acquire our inventory through official OEM channels and trusted third-party suppliers, ensuring every item is authentic and reliable.
How will you arrange shipment?
We'll handle the shipping for you. Through our partnerships, we can secure competitive rates with major carriers like FedEx, DHL, TNT, and UPS, ensuring a smooth and cost-effective delivery.
What is the warranty of goods?
One-year Warranty.
How long is the logistics cycle of the product?
Products are divided into spot and futures, and the delivery period of different brands of products is also different. For details, please contact the ACH business manager.
