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Line Fitting Temperature Measurement Device

Technical Specifications:
1 Functional Requirements:
1. Surface temperature measurement range: -20°C to 200°C;
2. Measurement accuracy: ±2°C;
3. Surface electrification indication.
2 Dimensional Requirements:
Diameter ≤40mm, Height ≤40mm
3 Material Requirements:
Housing shall be non-metallic material to facilitate wireless omnidirectional communication.
4 Colour Requirement: White
5 Operating Environment: Tested object: -20°C to 200°C; Operating environment: -20°C to 55°C
6 State Grid Logo Requirement: To be incorporated per user specifications
7 Installation Requirements: Voltage rating AC 10kV to 220kV; Direct contact with live body
8 Sensor Weight: Weight < 150g
9 Power Acquisition Method: Internal dual power acquisition (electric field harvesting and battery supply)
10 Minimum Operating Voltage: < AC 10kV
11 Maximum Operating Voltage: > AC 330kV
12 Installation Method: Installation at earth potential while energised
13 Protection Rating: IP68
14 Wireless Communication Frequency: 2.4 GHz
15 Sampling Frequency: Battery-powered: 1–8 minutes/cycle (configurable); Electric field power (220 kV): <120 seconds/cycle
16 Service life: Independent battery power: ≥1 year; Electric field power: ≥10 years; Storage life: ≥10 years
17 Structure: Features thermally isolated design for measurement and sampling
18 Electromagnetic compatibility: Electrostatic discharge: Level 4; Power frequency magnetic field immunity: Level 4; Lightning surge immunity: Level 4

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