33Wattmeters
4.3 Environmental parameters
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Climatic conditions
Temperature in °C
95
90
75
45
10
-40
0
20
26
35
50
70
➂
➂
➁
➀
Relative humidity in % RH
Note: The operating range (2) is reduced to 40°C with the mains adapter accessory.
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■ Altitude
- Operation: ≤ 2,000 m
- Storage ≤ 10,000 m
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■ Impermeability: protection index IP 54
(according to EN 60529, ed. 2000)
(IP2X electrical protection for the terminals)
4.4 Compliance with norms
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■ Electrical safety
(as per EN 61010-1 ed. 95)
- Dual insulation:
- Installation category: III
- Pollution level: 2
- Rated voltage: 600 V
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■ Electromagnetic compatibility
(EN 61326-1 éd.98)
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■ Electrostatic discharge (IEC 61000-4-2)
- 4 kV contact, 8 kV air
- aptitude criterion A, industrial site
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■ Electromagnetic field (IEC 61000-4-3)
- 10 V/m
- aptitude criterion A, industrial site
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■ Bursts (IEC 61000-4-4)
- 2 kV Level III
- aptitude criterion B, industrial site
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■ Shock wave (IEC 61000-4-5)
- 1 kV differential mode, 2 kV common mode
- aptitude criterion A, industrial site
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■ Conducted interference (IEC 61000-4-6)
-3 V
- aptitude criterion A, industrial site
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■ Mechanical resistance
- Operating position: any - Impacts: 100 g
(test as per IEC 68-2-27)
- Free fall: 1 m
(test as per IEC 68-2-32)
- Vibrations: 0.15 mm
(test as per IEC 68-2-6)
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■ Auto-extinguishability
- Housing: V0
- Display window: V0
Chapter IV
➀ Reference range
➁ Operating range
➂ Storage range (without battery)