3 atex certification, Atex certification -6 – Yokogawa Wireless Temperature Transmitter YTA510 User Manual
Page 14

<2. Notes on Handling>
2-6
IM 01C50E01-01EN
Temperature
Transmitter
Battery
pack
1
2
3
4
5
1
2
3
4
5
Temperature
Transmitter
Battery
pack
Temperature Sensor (*1)
Amplifier housing code 8 and 9
Hazardous Location
Antenna
(*1)
Arrester
(*1, *2)
Temperature Sensor (*1)
(One or Two sensors)
*1: These apparatus are simple apparatus.
*2: Arrester may not be connected.
Antenna Connector
F0205.ai
[Installation Drawing]
Amplifier housing code 7
Hazardous Location
Note 4. Battery Pack
Use only YOKOGAWA battery pack
F9915MA or F9915NS.
Note 5. Special Conditions for safe use
Potential electrostatic charging hazard-
secure distance of 100mm from antenna.
Do not open when CL II, III, DIV 1,2
atmosphere is present.
2.7.3 ATEX Certification
(1) Technical Data
Caution for ATEX Intrinsically safe type.
Note 1. Model YTA Series temperature transmitters
with optional code /KS27 for potentially
explosive atmospheres:
• No. KEMA 10ATEX0163 X
• Applicable Standard:
EN 60079-0:2009, EN 60079-11:2012,
EN 60079-26:2007
• Type of Protection and Marking code:
Ex ia IIC T4 Ga
• Group: II
• Category: 1 G
• Ambient Temperature: –50°C to 70°C
• Enclosure: IP66/IP67
Note 2. Output Parameters
• Sensor input circuit (Terminals 1 to 5 )
Uo: 6.6 V
Io: 66 mA
Po: 109 mW
Co: 22 μF
Lo: 8.1 mH
• The above parameters apply when one of
the two conditions below is given:
- the total Li of the external circuit (excluding
the cable) is < 1% of the Lo value or
- the total Ci of the external circuit (excluding
the cable) is < 1% of the Co value.
• The above parameters are reduced to 50%
when both of the two conditions below are
given:
- the total Li of the external circuit (excluding
the cable) is ≥ 1% of the Lo value and
- the total Ci of the external circuit (excluding
the cable) is ≥ 1% of the Co value.
• The reduced capacitance of the external
circuit (including cable) shall not be greater
than 1μF for Group IIB and 600nF for Group
IIC
Note 3. Installation
• Installation should be in accordance with
local installation requirements. (Refer to the
Control Drawing)