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Dwyer Surface temperature probe S2-1B

The Dwyer S2-1B is a surface temperature probe designed for industrial process monitoring and control applications. It features a 304 stainless steel construction with 25 mm probe length and 6.3 mm diameter…

SKU 3G-CBM-02306

Brand
Dwyer
Item
Surface temperature probe S2-1B
Part Number
S21B
Category
Measurement
UNSPSC
41112412 — Pressure gauge
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Technical specs
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Dwyer
Manufacturer Part Number
S21B
wire length
23 inches
probe length
25 mm
probe diameter
6.3 mm
probe material
304 stainless steel
thermistor accuracy
±0.2°C @ 25°C
operating temperature
-40 to +125°C

Technical Documents

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Dwyer Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dwyer S2-1B is a surface temperature probe designed for industrial process monitoring and control applications. It features a 304 stainless steel construction with 25 mm probe length and 6.3 mm diameter, delivering ±0.2°C accuracy at 25°C across an operating range of -40 to +125°C. The 23 inch lead wire supports integration into OEM equipment and panel-mounted installations.

Frequently Asked Questions

Where can I buy the Dwyer S2-1B surface temperature probe?

3G Electric supplies the Dwyer S2-1B worldwide. As an authorised Dwyer distributor, we handle procurement, logistics, and customs. Lead time on request — contact our sales team for availability and delivery terms.

What is the lead time and shipping arrangement for the S2-1B?

Lead times vary based on stock location and destination. 3G Electric coordinates international logistics for all markets. Submit an enquiry with your destination for an exact delivery estimate. Worldwide delivery available.

What are the key specifications of the Dwyer S2-1B probe?

The S2-1B features a 304 stainless steel body, 25 mm probe length, 6.3 mm diameter, and 23 inch wire. It delivers ±0.2°C accuracy at 25°C with operating range -40 to +125°C, ideal for industrial process monitoring and control.

Used in

Common applications for Dwyer
Combustion air-filter monitoring — Magnehelic Series 2000 on burner air-intake filter banks
Clean-room and pharmaceutical pressurisation — Magnehelic / Capsuhelic differential-pressure gauges
HVAC fan-discharge static pressure — Mark II inclined-vertical manometers on AHU test points
Filter-blockage alarms — Photohelic Series 3000 combined gauge/switch on air-handling units
BMS-integrated pressure monitoring — Digihelic DH3 with 4–20 mA output for building management
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Dwyer Products

3G Electric supplies Dwyer measurement. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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