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| Installation Type: | Duct Type |
| Sensing Type: | Thermocouple |
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NTC (Negative Temperature Coefficient) Thermistor
Material: Mn, Co, Ni-based metal oxide semiconductors.
Advantages: Low cost, fast response (milliseconds), suitable for -40°C to 200°C (e.g., battery monitoring, motor control).
Accuracy: ±0.1°C (medical grade), but degrades at high temperatures.
RTD (Resistance Temperature Detector) - PT100/PT1000
Material: Platinum (Pt) thin-film or wire-wound.
Advantages:
High stability (e.g., Heraeus M222 shows ≤0.04% drift after 1000h at 500°C).
Wide range: -196°C to 1000°C (depending on model).
Linear response (TCR = 3850 ppm/K).
Accuracy:
Class A: ±0.15°C (IEC 60751).
AA (1/3 DIN): ±0.1°C (e.g., Heraeus M222).
Ultra-high precision: Up to ±0.01°C (lab-grade)
| Parameter | NTC | PT100/PT1000 | Heraeus M222 | JUMO PT100 |
| Temp Range | -40°C~200°C | -196°C~1000°C | -70°C~500°C | -70°C~600°C |
| Accuracy | ±0.1°C (25°C) | A: ±0.15°C, AA: ±0.1°C | AA: ±0.1°C | B: ±0.3°C |
| Response Time | <1s | 0.05s (water), 3s (air) | 0.05s (water) | 0.1s (water) |
| Stability | Moderate | Excellent (≤0.04% drift) | Excellent | Excellent |
| Cost | Low | Medium to High | High | Medium |




Our company Principle is " Quality first, Customer first".
CHANGZHOU DLX ALLOY CO, LTD was established in 2002 and has got Iso9001 International Quality Management System Certificate and SGS Certificate. Our factory is professional in researching and producing special alloy material. From melting, drawing, heat treatment, finishing and testing .We offer nickel-based, copper-based, and iron-based alloys, including super alloy, welding materials, anti-corrosion alloy, precision alloy, FeCrAl alloy, NiCr alloy, CuNi alloy, thermocouple and etc, in the form of wire, strip, ribbon, bar, tube, plate.


1, We're able to design and develop the product what our customers require and meet their requirements through providing the appropriate engineering drawings or samples.
2, We can provide the products within a week after payment.
3, Wecan provide sample of the products customer need.
4, We always insist on "Quality first, Customer first" as our business philosophy.

Question: Are you a trading company or manufacturer?
Answer: We're manufacturer.