We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

Image not available
DwyerMeasurement

Dwyer S2-1A surface temperature probe

The Dwyer S2-1A is a surface temperature probe for industrial process monitoring, featuring stainless steel 304 construction with a 6.3 mm diameter. It delivers ±0.2°C accuracy at 25°C and operates from -40 to…

SKU 3G-CBM-02311

Also listed as: DWY 48020 · DWY-48020

Brand
Dwyer
Item
S2-1A surface temperature probe
Category
Measurement
UNSPSC
41112412 — Pressure gauge
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
wire length mm
584
probe length mm
25
sensor material
stainless steel 304
probe diameter mm
6.3
thermistor accuracy
±0.2°C @ 25°C
rtd platinum accuracy
±0.1% @ 0°C
operating temperature range
-40 to +125°C

Datasheet Content

Série S2-1 Sonde de température de surface RTD et Thermistance, Sonde inox 304, Etanche 23.000 .250 STRIPPING LENGTH 1.000 x Ø0.250 WIRES 22AWG 7/30 .650 BULLET PROBE STRANDED ETCHED TEFLON® La Série S2-1 Sonde de Température montée en surface fournit une solution SPÉCIFICATIONS économique et fiable pour la mesure de température de surface des conduites d’eau Précision : conditionnées, de vapeur basse pression ou de circuit réfrigéré. Les sondes sont idéales pour RTD platine : ±0.1 % @ 0°C, alpha 385 per DIN 43760; les applications où les portions immergées ne sont pas accessibles pour l’installation. Les RTD nickel : ±0.5°F @ 21.1°C; modèles comportent une sonde 1” (25 mm) et des fils ancrés Teflon® torsadés 23”. Balco® : ±0.5°F @ 21.1°C; Thermistance : ±0.2°C interchangeable @ 25°C. Modèle Type de Sonde Réf. Modèle Type de Sonde Réf. Température de fonctionnement : de -40 à +125°C. Thermistance 5 Diamètre de la Sonde : 6.3 mm. S2-11 Pt 100O RTD DWY48002 S2-17 kO NTC DWY48014 Longueur de la Sonde : 25 mm. Matériaux de la Sonde : inox 304. Thermistance S2-12 Pt 1000O RTD DWY48004 S2-18 100 kO NTC DWY48016 Balco® est une marque déposée de CRS Holdings, Inc. Teflon® est une marque déposée de Thermistance 20 E.I. Dupont De Nemours and Company S2-13 Ni 1000O RTD DWY48006 S2-19 kO NTC DWY48018 Thermistance S2-14 1000O Balco® RTD DWY48008 S2-1A 2252O NTC 3G-CBM-02311 Thermistance 10 Thermistance S2-15 kO Type II DWY48010 S2-1B 10KO Type III NTC DWY48022 S2-16 Thermistance 3 kO NTC DWY48012

Technical Documents

(1)
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The Dwyer S2-1A is a surface temperature probe for industrial process monitoring, featuring stainless steel 304 construction with a 6.3 mm diameter. It delivers ±0.2°C accuracy at 25°C and operates from -40 to +125°C, making it suitable for HVAC and manufacturing applications requiring reliable thermal measurement.

Frequently Asked Questions

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

3G Electric supplies the Dwyer S2-1A worldwide as an authorised distributor. We handle logistics, customs clearance, and deliver to your facility. Contact us for availability and lead times on this temperature measurement device.

What is the lead time and shipping for the Dwyer S2-1A?

Lead times vary by destination and current stock status. 3G Electric coordinates worldwide delivery with full customs support. Request a quote to confirm delivery schedule for your location.

What accuracy does the Dwyer S2-1A thermistor provide?

The S2-1A delivers ±0.2°C accuracy at 25°C with a stainless steel 304 probe (6.3 mm diameter). Operating range spans -40 to +125°C, with a 584 mm wire length and 25 mm probe length for flexible installation in HVAC and manufacturing applications.

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

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Dwyer
Dwyer
S2-1A surface temperature probe
Dwyer
Dwyer
Surface temperature probe S2-1B
Dwyer
Dwyer
Surface temperature probe S2-1F
Dwyer
Dwyer
Surface temperature probe S2-1D
Dwyer
Dwyer
Surface temperature probe S2-1E
Dwyer
Dwyer
Surface temperature probe S2-1C

More from Dwyer

View all Dwyer parts
Magnehelic pressure gauge 2000-30PA
Dwyer
Magnehelic pressure gauge 2000-30PA
Flow meter FS 2
Dwyer
Flow meter FS 2
Dwyer
Dwyer
Average flow probe PAFS-1002
Dwyer
Dwyer
MAFS-48 metallic average flow probe
Dwyer
Dwyer
Transmitter 645-6
Dwyer
Dwyer
Current detector SCS-211125-R
Dwyer
Dwyer
Current transmitter SCT10-102
Dwyer
Dwyer
Current transmitter CCT 50-203