JUMO Wtrans E01, Operating Manual

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11 Technical data
58
11.1.3 Display
11.1.4 Electrical data
Voltage supply
Technology Positive, transflective LCD display
Size (W × H) 52 × 30 mm
LCD display Can be switched on and off
Backlight Can be switched on and off
Lithium battery 4× 1.5 V (size AA)
Operating life One year with the default settings and one sensor connected (an additional
sensor, fast measuring and transmission interval, or high or low ambient tem-
peratures reduce the batteries' operating life).
Recommended lithium batteries Energizer Ultimate Lithium AA-L91-FR6-1.5 V
This battery is part of the initial Wtrans E01 equipment and is available as an
accessory.
Recommended alkaline batteries Duracell Ultra Power Alkaline AA-MX1500-LR6-1.5 V, not available as an ac-
cessory.
The information about the operating life of the lithium batteries applies only to
the batteries recommended by JUMO.
External voltage supply DC 18 to 30 V, SELV voltage
Power consumption 2.4 VA
Peak current 250 mA
Requirement The device must be equipped with an electrical circuit that meets the require-
ments of EN 61010-1 with regard to "Limited-energy circuits".
Reverse voltage protection Yes