For valuable measuring equipment, we would recommend always using leakage proor Alkaline batteries such as Duracell Procell.
A series of high-quality batteries for proressional applications.

DI4025
Batteries
Model: D / MN1300 / LR20
Voltage: 1.5 V
Dimensions: 34.2 round x 61.5

TE0020
Battery A23 12V Spron, GP23A (Thermapen)

DI4026
Batteries
Model: CR2032 Lithium
Voltage: 3 V
Dimensions: 20 round x 3

DI4028
Batteries
Model: C / MN1400 / LR14
Voltage: 1.5 V
Dimensions: 26.2 round x 50

DI4030
Batteries
Model: 9V / MN1604 /6 LR61
Voltage: 9 V
Dimensions: 48.5 x 26.5 x 17.5

DI4040
Batteries
Model: AA / MN1500 / LR06
Voltage: 1.5 V
Dimensions: 14.5 round x 50.5 mm.

DI4041
Batteries
Model: AAA / MN2400 / LR03
Voltage: 1.5 V
Dimensions: 10.5 round x 44.5