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HZGQ-20 DC digital resistance bridge is a new generation of Kelvin bridge, suitable for industrial and mining enterprises, laboratories and workshops on-site, the DC low value resistance for precision measurement.
Adopting the international popular novel PIII type housing, with high strength engineering plastics as raw material, it has the characteristics of beautiful appearance, corrosion resistance, solid and practical, good resistance to extrusion, etc. It is especially suitable for workshop site and field use.
Adopting 4½LCD digital display with backlight function, the readings are intuitive, clear, low power consumption, especially suitable for use in the field of strong light and night.
Measurement range is wide, in the range of 0 ~ 20kΩ, divided into seven ranges, 0.05 level, the minimum resolution of 1μΩ.
Measurement of the input circuit to take protective measures, in the measurement of DC resistance with inductance, can greatly reduce the inductive reaction potential, improve the safety of the bridge.
The bridge adopts high-power nickel-metal hydride rechargeable battery (external charger attached), which has the characteristics of large capacity and long service life, especially suitable for use in the occasions without AC power supply.
1. The equipment adopts high-frequency high-voltage switching power supply to form a high-voltage constant current source with high voltage, stable current, small volume and light weight.
2. It adopts high sensitivity amplifier and current detector to indicate the balance, and the proportional potentiometer constitutes the balance bridge, and the whole is placed in high potential.
3. The operation knob on the panel is at low potential, and the bridge is operated by insulated pole.
4. Compared with the wave reflection method, the bridge balancing method has no blind area, which is suitable for judging the breakdown point of the cable and near the end, and is easy to operate.
| Range | Testing Range | Resolution | basic error | Testing Currency |
| 20 mΩ | 19.999 mΩ | 1 μΩ | 0.5 | 680 mA |
| 200 mΩ | 199.99 mΩ | 10 μΩ | 0.2 | 680 mA |
| 2 Ω | 1.999 Ω | 100 μΩ | 0.05 | 68 mA |
| 20 mΩ | 19.999 Ω | 1 mΩ | 0.05 | 68 mA |
| 200 mΩ | 199.99 Ω | 10 mΩ | 0.05 | 6.8 mA |
| 2K Ω | 1999.9 Ω | 100 mΩ | 0.05 | 680 μA |
| 20K Ω | 19999 Ω | 1 Ω | 0.05 | 680 μA |
Q1:Is your company a sales or a manufacturer?
We are an integrated trade and manufacturing company with our own factory.
Q2:If we need to customize our own brand or if there are special requirements for the built-in software of the machine, can it be customized?
Yes, we accept OEM/ODM/OBM and can customize the built-in software of the product according to the customer's special requirements.
Q3:What is the usual lead time? How long can we receive the order after placing it?
In normal circumstances, products in stock can be received within 5 to 7 days via the fastest international express. Other situations may vary depending on the quantity of products ordered, whether there are special customization requirements, and the delivery time chosen.
Q4:How can we ensure that the product will not be damaged during transportation, considering the large size of the product?
We have professional internal and external packaging to ensure the safety and stability of the products during transportation. For fragile or other special parts, we will include an extra set to ensure that the customer can use the product immediately upon receipt.
Q5:How do you handle after-sales service? What if there is a quality problem with the product or if the customer does not know how to operate it?
For quality issues that are not caused by human error, we provide a one-year warranty from the time the product is delivered, and lifetime technical support. Other after-sales issues will be addressed by our professional technical staff within 24 hours. The product comes with a user manual and an operation video.
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