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Dwyer Surface temperature probe S2-18 - Measurement
DwyerMeasurement

Dwyer Surface temperature probe S2-18

The Dwyer S2-18 is a surface temperature probe using a 100 kΩ NTC thermistor sensor, delivering ±0.2°C accuracy at 25°C. With a 584 mm cable and stainless steel 304 construction, it operates from -40 to +125°C…

SKU 3G-CBM-02309

Also listed as: DWY 48016 · DWY-48016

Brand
Dwyer
Item
Surface temperature probe S2-18
Category
Measurement
UNSPSC
41112412 — Pressure gauge
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Local availability & support

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

Technical Specifications

Dwyer
accuracy
±0.2°C @ 25°C
wire gauge
22 AWG
sensor type
100 kΩ NTC Thermistor
wire length
584 mm (23 inches)
probe length
25 mm
probe diameter
6.3 mm
probe material
Stainless steel 304
operating temperature
-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 3G-CBM-02309 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 DWY48020 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

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

Product Description

The Dwyer S2-18 is a surface temperature probe using a 100 kΩ NTC thermistor sensor, delivering ±0.2°C accuracy at 25°C. With a 584 mm cable and stainless steel 304 construction, it operates from -40 to +125°C, fitting industrial process monitoring and HVAC applications.

Frequently Asked Questions

Where can I source the Dwyer S2-18 surface temperature probe worldwide?

3G Electric is an authorized distributor. We source the Dwyer S2-18 and handle logistics, customs clearance, and worldwide delivery. Lead time on request—contact our team for a quote.

What is the accuracy and operating range of the Dwyer S2-18?

The S2-18 delivers ±0.2°C accuracy at 25°C with a 100 kΩ NTC thermistor sensor. Operating range is -40 to +125°C, making it suitable for industrial process and HVAC monitoring.

What are the physical specifications of the S2-18 probe?

The probe is 25 mm long with a 6.3 mm diameter, made of stainless steel 304. The cable is 584 mm (23 inches) long, 22 AWG wire gauge, rated for temperatures from -40 to +125°C.

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.

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