Gallery View: Temperature sensor makers target improved precision, reliability

Global SourcesUpdated on 2023/12/01

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Companies in China's production sector for temperature sensors are enhancing product performance to broaden market reach.

Manufacturers of temperature sensors in China are steering R&D toward units comparable with those offered by foreign companies in terms of precision and reliability. They are also looking at having small integrated types with high output signal, precision and reliability, and long operating life in future releases. Only some companies have introduced the latter kind, which is expected to go mainstream in the next two to three years.

At present, production focuses on entry-level and midrange variants. The typical selections are contact and contactless types with temperature sensing ranges of 5 to 95 C for water, 95 to 300 C for oil, -80 to 100 C for low- and constant-temperature applications, and 300 to 1,200 C for high.

Thermocouples, platinum resistors, thermistors, wires, protection tubes and glue make up the main components and materials used in the manufacture of temperature sensors. Companies source them locally, turning to foreign suppliers only as required. Input costs and product prices are expected to remain stable in the months ahead.

The global temperature sensors market, which was valued at $5 billion in 2016, is poised for steady growth in the next several years, with a projected CAGR of 4.8 percent by 2024 according to Sohu. Locally, an annual sales growth of 5 to 10 percent is anticipated.

The products in this gallery have been handpicked by our China-based market analyst for representing current trends in temperature sensors from China makers.

12VDC 6A, 24VDC 3A versions

From Jiangyin Precision Electrical Equipment Co. Ltd, the model JRMS Series temperature sensor with 6,000-cycle life span comes in 12VDC, 6A and 24VDC, 3A variants. It suits monitoring in -10 to 120 C.

The 2,000-unit minimum order has a delivery lead time of 7 days.

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-10 to 120 C sensing range

In 12VDC, 6A and 24VDC, 3A variants, this temperature sensor from Jiangyin Precision Electrical Equipment Co. Ltd, BRMS model, has a life span of 6,000 cycles. It is for monitoring applications in -10 to 120 C.

The minimum order is 2,000 units. Delivery is within 7 days.

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-20 to 120 C, -30 to 400 C adjustment ranges

This temperature sensor from JPCI Controls (Foshan Gaoming) Co. Ltd, 2DPAP6F model, has adjustment ranges of -20 to 120 C and -30 to 400 C. Its supply rating is 220 to 250V, 50/60Hz and power less than 4W.

An order of at least 500 units is for delivery within 45 days.

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>100,000 electrical cycles

The model Y2T2 & Y2T3 temperature sensor from JPCI Controls (Foshan Gaoming) Co. Ltd has an adjustment range of -35 to 500 C and electrical life span of more than 100,000 cycles. It adopts an NTC or PT100 sensor and comes with a 2m or custom-length cable.

The 500-unit minimum order has a delivery lead time of 45 days.

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UL 1332 22AWG wires

Shenzhen Kuki Electric Co. Ltd's model JXW-116 temperature sensor operates in -40 to 100 C and has a withstand voltage of 1,200VAC/3sec. It has UL 1332 22AWG wires with 0.8x30±1mm copper and Teflon insulation.

The supplier requires an order of at least 500 units for delivery within 30 days.

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1,800VAC/3sec withstand voltage

Operating in -40 to 200 C, this temperature sensor from Shenzhen Kuki Electric Co. Ltd, JXW-86-2 model, has a withstand voltage of 1,800VAC/3sec with no flashing or breakdown at 1mA cutoff current and an insulation resistance of 100Mohm at 500VDC.

The minimum order is 500 units. Delivery lead time is 25 days.

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