Metrohm 771 IC Compact Interface - Manual (Page 24)

4 Appendix
771 IC Compact Interface
18
Noise < 20 µ Vpp
< 3 µ Vrms (at 0 V input voltage, amplification 1
and sampling rate 10 Hz)
Zero error ± 2.5 mV
Pin assignment
Pin 1,4,5: GND (ground, connected to
housing)
Pin 2: Analog +
Pin 3: Analog –
Pin 8: RUN
Pin 9: COM
Safety specifications
Construction/testing According to IEC 1010 / EN 61010 / UL 3101-1,
protection class 1, degree of protection IP40
Safety directions The Instructions for Use include information and
warnings which must be heeded by the user to
assure safe operation of the instrument.
Electromagnetic compatibility (EMC
Emitted interference Standards met:
EN55011 (level B), EN55022 (level B),
EN 50081-1/2, EN61000-3-2
Immunity to interference Standards met:
IEC61000-4-2/EN61000-4-2 (level 3),
IEC61000-4-3/EN61000-4-3 (level 3),
IEC61000-4-4/EN61000-4-4 (level 4),
IEC61000-4-5/EN61000-4-5 (level 2/3),
IEC61000-4-6/EN61000-4-6 (level 3),
IEC61000-4-11/EN61000-4-11,
IEC61000-4-14/EN61000-4-14 (level 3),
IEC61000-6-2, IEC61326-1+A1,
EN50082-1, NAMUR
Ambient temperature
Nominal operating range +5 … +45°C
(at 20 … 80 % atmospheric humidity)
Storage, transport –40 … +70°C
Housing
Material Steel, enameled
Dimensions
Width 183 mm
Height 79 mm
Depth 165 mm
Weight 1.9 kg (without accessories)