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7 technical specifications, 1 reference conditions, 2 amperometric detector – Metrohm 896 Professional Detector – Amperometry User Manual

Page 48: Reference conditions, Amperometric detector

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7.1 Reference conditions

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2.896.0020 896 Professional Detector – Amperometry

7 Technical specifications

7.1

Reference conditions

The technical data listed in this Chapter refers to the following reference
conditions:

Ambient tempera-
ture

+25 °C (± 3 °C)

Instrument status

> 40 minutes in operation (equilibrated)

7.2

Amperometric detector

Type

Microprocessor-controlled Digital Signal Processing (DSP technology)

Potentiostat

Potential range

–5.0…+5.0 V in steps of 0.001 V

Potential step
response time

< 1 ms

Detection
modes

DC

PAD

flexIPAD (flexible IPAD)

CV

Measuring unit

AutoRange

yes, (DC only)

Digital signal
range
DC mode

0.00012 pA…2 mA

PAD mode

0.012 pA…2 mA

flexIPAD mode

0.12 pC…200 µC

CV

0.12 pA…20 mA

Electronic noise
DC mode

< 5 pA

PAD mode

< 10 pA

flexIPAD mode

< 30 pC

Filter
DC mode

Hardware filter, can be selected by the user

All modes

Software filter, can be set by the user