• Environment:
• Height : Below 2000m.
• For indoor installation.
• Do not operate the instrument in the presence of flammable liquids or vapors.
• Operation of any electrical instrument in such an environment constitutes a safety hazard.
• Ambient temperature: 0-50℃.
• Ambient humidity :10-90%RH (No condensation allowed).
• Vibration Resistance: 2m/s² (10 to 60 Hz).
• Over-voltage category: Category II (IEC60364-4-443, EN664-1).
• Pollution degree: Pollution degree 2.
• Machine Ratings
• Power supply voltage : 100-240V (Operating power voltage  AC85-264V).
• Power frequency: 50/60Hz.
• Power consumption: 12VA or less.

Need more information , Click : Digital PID Temperature controller - C15