Description
The 01DT-1L series is a versatile temperature sensor designed for precise measurement in duct applications. When paired with a stainless steel or brass thermowell, it is also suitable for pipe applications. This sensor series is housed in an IP65 / NEMA 4X rated enclosure, ensuring robust protection against environmental factors.
Type: 01DT-1LH
Output signal: NTC10k (10k2)
Probe length: 50 mm
Probe diameter: 6 mm
Parts Included: Mounting Clip: A-22D-A11, with screws and adhesive foil
Electrical Data
- Connection Supply / Control: Pluggable spring-loaded terminal block (max. 2.5 mm²)
- Cable Entry: Cable gland with strain relief (ø6...8 mm)
Functional Data
- Application: Air, Water
- Output Signal (Passive): NTC10k (10k2)
Measuring Data
- Measured Values: Temperature
- Temperature Measuring Range: -50...150°C [-60...300°F]
- Measuring Current: <2 mA @ 25°C [77°F]
- Accuracy Temperature Passive: ±0.2°C @ 25°C [±0.35°F @ 77°F]
- Time Constant in Water Pipe (with thermowell):
-
Brass: Typical 7 s
-
Stainless Steel: Typical 9 s
- Time Constant in Air Duct:
-
0 m/s: Typical 210 s
-
3 m/s: Typical 46 s
Safety Data
- Protection Class IEC/EN: III, Protective Extra-Low Voltage (PELV)
- Power Source UL: Class 2 Supply
- Degree of Protection IEC/EN: IP65
- Degree of Protection NEMA/UL: NEMA 4X
- EU Conformity: CE Marking
- Certification IEC/EN: IEC/EN 60730-1
- Quality Standard: ISO 9001
- UL Approval: cULus acc. to UL60730-1A/-2-9, CAN/CSA E60730-1/-2-9
Environmental Conditions
- Ambient Humidity: Max. 95% RH, non-condensing
- Ambient Temperature: -35...50°C [-30...122°F]
- Fluid Temperature: -50...150°C [-60...300°F]
- Housing Surface Temperature: Max. 90°C [195°F]
Materials
- Cable Gland:
-
Plug Adapter: PA66, black
-
Nut: PA6, black
- Housing:
-
Cover: PC, orange
-
Bottom: PC, orange
-
Seal: NBR70, black (UV resistant)
- Probe Material: V4A (1.4404)
Optional Accessories
- Mounting Plate S Housing: A-22D-A09
- Connection Adapter Flex Conduit: M20x1.5, for cable gland 1x 6 mm, Multipack 10 pcs., A-22G-A01.1
- Mounting Flange for Sensor Probe (Air):
-
Plastic: A-22D-A03 (up to max. 120°C [248°F])
-
Brass: A-22D-A05 (up to max. 260°C)
- Thermowells (Water):
-
Stainless Steel: A-22P-A06, A-22P-A08, A-22P-A10, A-22P-A12, A-22P-A14, A-22P-A16
-
Brass: A-22P-A18, A-22P-A20, A-22P-A22, A-22P-A24, A-22P-A26, A-22P-A28
- Other Accessories: Syringe with thermal paste (A-22P-A44), Compression fitting (A-22P-A45), Cold barrier (A-22P-A51), Adapter for Siemens thermowell (A-22P-A53)
Why You Should Buy
Versatility: Suitable for both air and water applications.
Durability: Robust construction with high protection ratings (IP65 / NEMA 4X).
Precision: High accuracy and fast response times for reliable temperature measurement.
Quality Assurance: Certified to international standards (CE, IEC/EN 60730-1, ISO 9001).
For more information and to explore our range of Belimo products, visit our website at https://ecospares.co.uk/collections/belimo. If you need any assistance, please contact us on 01772 284 626.