Yokogawa MLX - Manual (Page 21)

Page 21 of 49
IM 60A02S01-01E-A
3) Electrical connection
The type of electrical connection is stamped near the electrical connection port according to the
following marking.
Thread Size Marking
ISO M20 x 1.5 female M
ANSI ½ - 14 NPT female A
Location of the Thread Marking
2.6.3 Canadian Standards Association (CSA) Certification
1) Technical Data
a. CSA Intrinsically Safe/CSA Explosionproof/ CSA Non-Incendive Type.
Caution for CSA Intrinsically Safe/CSA Explosionproof/CSA Non-Incendive type.
Note 1. Model MLX Loop Process Indicator with optional code /CU1 are applicable for use
in potentially hazardous locations.
• Certificate No. 4000798
• Certified to: CSA C22.2 No.25, CSA C22.2 No.30, CSA C22.2 No.157, CSA
C22.2 No.213, CSA C22.2 No.60079-0, CAN/CSA E60079-11
• Explosionproof/Dust-Ignition-Proof for:
- Class I, II, III; Groups A - G; Divisions 1 & 2.
- Class I, Zone 1, Group IIC T4.
- Tamb. –40°C to 80°C
• Intrinsically Safe for:
- Class I, Division 1, II, III; Groups A - G; Divisions 1 & 2.