Hach-Lange TITRALAB 840_845 Reference Manual - Manual (Page 214)

Titra Lab ® TitraLab 840 and 845 Reference Manual
Page 214
Environmental operating conditions:
Interior use only
Ambient temperature:
- working range: 5 to 40°C
- storage: -20 to 60°C
- transport: -40 to 60°C
Relative humidity:
20 to 80 % with temperature between 5 and 31°C. Above 31°C, the interval amplitude
decreases linearly from 20 - 80% at 31°C to 20 - 50% at 40°C.
Altitude
≤ 2000 m.
Level of pollution : 2
Transitory overvoltage: class II.
International standards
Refer to "International Standards", page 202.
Burette specifications according to ISO 8655-3
Burette Nominal Maximum permissible Maximum permissible
stand volume systematic errors random errors
Type ml ± % ± µl (a) ± % (b) ± µl (c)
B501 < 1 0.6 6 0.1 1
B505 5 0.3 15 0.1 5
B510 10 0.2 20 0.07 7
B525 25 0.2 50 0.07 17.5
B550 50 0.2 100 0.055 25
(a) Expressed as the deviation of the mean of a tenfold measurement from the nominal volume or from
the selected volume (see ISO 8655-6:—, 8.4).
(b) Expressed as the coefficient of variation of a tenfold measurement (see ISO 8655-6:—, 8.5).
(c) Expressed as the repeatability standard deviation of a tenfold measurement (see ISO 8655-6:—, 8.5).