TESTO 312-4, Instruction Manual

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4 Product description
13
Level 1 Level 2 Level 3
6 Input 61 Pretest 611 Stabtime
612 Meastime
613 Finish
62 LeakRate 621 Stabtime
622 Meastime
623 Finish
63 Maintest 631 Stabtime
632 Meastime
633 Finish
64 Pref -
65 Volume 651 Circle 1
652 Length1
653 Circle 2
654 Length2
655 Circle 3
656 Length3
657 Finish
66 Pabs -
7 Gas type - -
4.2. Basic properties
Voltage supply
The power can be selectively supplied to the testo 312-4 via:
• 9 V monobloc battery, type: IEC 6LR61 (included in delivery)
• 9 V monobloc rechargeable battery, type: NiMH IEC 6F22
(0515 0025)
• Mains unit (0554 0085)
With an attached mains unit the power is supplied automatically via
the mains unit and the instrument's rechargeable battery is charged
(only at ambient temperature: 0 to 45 °C).
Charging the instrument's rechargeable battery is also possible
using a charging adapter (0554 0025) available as an accessory.