EUTECH INSTRUMENTS alpha-pH 2000D Instrukcja Obsługi Strona 41

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Instruction Manual αlpha-pH2000D
- 35 -
8.7 Display
LCD UV coat, backlit 14 segments display with symbols for
status information
Back light On/Off selectable with four levels of brightness control
8.8 Power Supply
Input 80 to 250VAC/DC, 50/60Hz, Approximately 10VA
Main Fuse 315mA Time Delay, 250V, Bussmann BK/GDC-315mA
Pollution Degree 2
Transient Voltage Category II
Connector 5-pin screw terminal
8.9 Electrical data and Connections
pH/mV Input 8-pin Screw Terminal (3.5mm pitch)
Temperature Input 8-pin Screw Terminal (3.5mm pitch)
Relay 1, Relay 2, Wash Relay & Alarm Relay 9-pin Screw Terminal (7.62mm pitch)
Current Output 1, Current Output 2, 12V
output & Hold function switch
13-pin Screw Terminal (3.5mm pitch)
Connection terminal 5-pin, 8-pin, 9-pin & 13-pin terminal connectors
8.10 Mechanical Specifications
Dimensions (W x H x D) - Wall Mount 144 x 144 x 111.5 mm
Weight - Wall Mount 950g (unit) / 1100g (Packed)
Environmental Rating - Wall Mount NEMA 4X, IP65
8.11 Electromagnetic Compliance (EMC) Specifications
Emitted Interference EN 61326
Immunity to Interference EN 61326
8.12 Environmental Conditions
Ambient Temperature operating range 0 to 40
o
C
Maximum Relative Humidity 80% up to 31
o
C decreasing linearly to 50% at 40
o
C
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