Product Description
VK3740 Digital Only 1A Max Test Current 0.2 Accuracy Class Equipotential Bonding Earth Resistance On-Line Tester RS485
VK3740 Digital Only 1A Max Test Current 0.2 Accuracy Class Equipotential Bonding Earth Resistance On-Line Tester RS485| Power Supply | 12V±1V DC(External power supply) | ||
| Range & Accuracy | Range | Accuracy | Resolution |
| 1000mΩ | ±2%rdg±3dgt | 1mΩ | |
| 10Ω | 0.01Ω | ||
| 100Ω | 0.1Ω | ||
| 1000Ω | 1Ω | ||
| Max Test Current | ≥1A | ||
| Weight | Tester: about 450g | ||
| Tester Dimensions | 190mm×117mm×54mm | ||
| LCD Size | 128mmx75mm; Display area:124mmx67mm | uBN9Eg)aalR4@N9V-S8B8-S8t | |
| Measuring Time | About 30 seconds/times | ||
| Measuring Life | More than 10000 times | ||
| Tester Port | Pluggable terminal blocks: 9 pin connector | ||
| Communication Method | RS485(or optional RS232) | ||
| Monitoring Interval Time | Setting range of automatic monitoring interval time: 1-999 h | ||
| Data Storage | 200 groups , flash display” FULL” symbol indicate storage is full | ||
| Data Access | Data access function: “READ” symbol display | ||
| Overflow Display | Exceed measurement range overflow function: “OL” symbol display | ||
| Alarm | Audible and visible alarm | ||
| Power Consumption | 1.5W | ||
| Power Supply Voltage | When power supply voltage decreases to about 10V, power supplylow symbol will display, and remind to replace the power. | ||
| Electromagnetic Property | IEC61010-4-3,Wireless frequency electromagnetic field ≤ 1V / m | ||
| Accessories | Tester 1PCS; Communication wires: 1PCS; 9 pin connector |
Product FunctionOn-line testing the equipotential bonding resistance, DC resistance, contact resistance, riveting resistance, etc.Product features 1. Adopt precision 4-wire method to measure and more accurate.2. With RS485 communication or GPRS communication, users can do the secondary development, network construction, remote multi-point online monitoring, etc according to MODBUS communication protocol.
3. Large LCD display, the DC resistance value can be observed on site.
4. The tester can set test parameters, alarm critical value, etc.
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Returns
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Condition
Brand New
Shipping
This item is shipped directly from our supplier in China with tracking.