DL/T 1061-2020 in English
VALIDPhoroeletric CCD pendulum telecoordinometer
- Issued on:2020-10-23
- Implemented on:2021-02-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
Price(USD):
$180.00
$175.00
$175.00
Introduction
Analysis of the core content of the standard
Major technical changes
| Revision items | Requirements of the 2007 version | Requirements of the 2020 version | Technical impact |
|---|---|---|---|
| Basic error | ≤0.2% FS | ≤0.5% FS (≤0.3% for >50mm) | Relax the accuracy requirements but distinguish the measuring range |
| Anti-electromagnetic interference | SL 268-2001 | GB/T 17626.3 | Adopting international general standards |
| New tests | None | Surge immunity/environmental adaptability | Enhanced equipment reliability |
Detailed explanation of key technical indicators
Core performance parameters
- Resolution: ≤0.02mm (verified by grating ruler)
- Operating temperature: -20℃~+60℃ (extended original -10℃~+50℃ range)
- Insulation resistance: ≥50MΩ (100V test voltage)
Implementation and application suggestions
Key points for project selection
- Give priority to equipment with a range of >50mm (with stricter error requirements)
- A surge immunity test report must be included during acceptance
- Perform stability verification regularly (30 days of continuous monitoring)
Maintenance precautions
- Storage environment humidity ≤85%
- Recalibration is required after transportation
- Mandatory type test every 5 years
Standard Evolution Analysis
This standard reflects the mature application of CCD sensor technology in the field of dam monitoring. The main revisions are:
- Electromagnetic compatibility requirements are in line with international standards
- New environmental adaptability indicators
- Improve product life cycle management requirements
Sample only — not a preview of DL/T 1061-2020

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