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HW-557A High Precision Temperature Controller Module Temperature Control Switch pcb Digital display thermostat module
Product Parameters:
Refresh rate | 0.5 S |
Input power | DC 5V, DC 12V, DC 24V |
Measurement input | NTC (10K 0.5%) waterproof sensor |
Output | 1 relay output, capacity = 20A 125VAC, 20A 14VDC |
Environmental requirements | -10~60°C Humidity 20%-85% |
Power consumption of the whole machine | quiescent current: ≤10MA Pull-in current: ≤65MA |
Product Features:
| 1, 100% complete machine patch, wave soldering, stable performance, good consistency 2, embedded central processor chip (MCU), smarter, lower power consumption 3, power-off setting automatic memory (MCU built-in EEPROM storage unit) 4, control accuracy of 0.1 degrees Celsius 5, the setback of 0.1, can control the decimal (0.1-15.0) |
Operating instruction:
Connect the power supply and equipment to supply power to the controller. At this time, it is displayed as measuring temperature. Press SET once, the display temperature will flash, press +- to set the desired temperature (press +- to quickly raise and lower) After finishing, press SET to confirm the return. At this time, the controller automatically performs relay on/off according to the setting! The thermostat output is a 20A relay, which satisfies various high-power loads, and connects the control circuit to supply power to the thermostat. At this time, the display shows ambient temperature.





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Q1. What is your terms of packing?
A: Generally, our modules are all with Anti-static bag individually wrapped,also can be accepted customized package.
Q2. What is your terms of payment?
A: Full payment. Goods would be shipped in 1-3work days after payment received, finally depends on quantities.
Q3. What is your terms of delivery?
A: Generally EXW,can be according to customer’s requests.
Q4. How about your delivery time?
A: Generally, goods would be shipped in 1-3 work days after payment received, finally depends on order quantities.
Q5. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q6. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.