| Customization: | Available |
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| After-sales Service: | Yes |
| Warranty: | 12 Months |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Payment Methods: |
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| Support payments in USD |
| Secure payments: | Every payment you make on Made-in-China.com is protected by the platform. |
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| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
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Suppliers with verified business licenses
Audited by an independent third-party inspection agency
| Items | PTC-8125M | PTC-8125E | PTC-8125H | PTC-8320D | PTC-8320E | PTC-8320H | PTC-7100 | |
| Basic functions | Basic error | ○ | ○ | ○ | ○ | ○ | ○ | × |
| Creeping test | ○ | ○ | ○ | ○ | ○ | ○ | × | |
| Starting test | ○ | ○ | ○ | ○ | ○ | ○ | × | |
| Standard deviation | ○ | ○ | ○ | ○ | ○ | ○ | × | |
| Constant test | ○ | ○ | ○ | ○ | ○ | ○ | × | |
| Meter constant | ○ | ○ | ○ | ○ | ○ | ○ | × | |
| Influence test | ○ | ○ | ○ | ○ | ○ | ○ | × | |
| No load test | ○ | ○ | ○ | ○ | ○ | ○ | × | |
| Max demand test | ○ | ○ | ○ | ○ | ○ | ○ | × | |
| Repeat test | ○ | ○ | ○ | ○ | ○ | ○ | × | |
| Multi-functions test |
Day time error | ☆ | ☆ | ☆ | ☆ | ☆ | ☆ | × |
| L/N switching | ☆ | ☆ | ☆ | ☆ | ☆ | ☆ | × | |
| Communication test | ☆ | ☆ | ☆ | ☆ | ☆ | ☆ | × | |
| Power consumption test | ☆ | ☆ | ☆ | ☆ | ☆ | ☆ | × | |
| High voltage | × | × | × | × | × | × | ○ | |