wtw pH 7110 - Page 44

Technical data pH 7110
44 ba75925e01 07/2011
Power supply Batteries: 4 x 1.5 V alkali-manganese batteries, type
AA
Operating time: Approx. 2500 h (operating hours)
Rechargeable batteries: 4 x 1.2 V NiMH rechargeable
batteries, type AA
(no charging function)
Power pack: TAIYIIE KSAC 0900110W10V-1
Input: 100 ... 240 V ~ / 50 ... 60 Hz / 270 mA
Output: 9 V = / 1.1 A
Connection max. Overvoltage category II
Primary plugs included in the scope of delivery: Euro,
US, UK and Australian.
Sensor input Input resistance: > 5 * 1013 ohm
Input current: < 1 * 10
-12
A
Service inter-
face
This interface can be used for service purposes only.
Applicable
directives and
standards
EMC:
• EC directive 2004/108/EC
• EN 61326-1
• EN 61000-3-2
• EN 61000-3-3
• FCC Class A
Instrument safety:
• EC directive 2006/95/EC
• EN 61010-1
• ANSI/UL 61010-1
• CAN/CSA-C22.2 No. 61010-1
IP type of protection:
• EN 60529