Metrohm 857 Titrando Selection Guide

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Products | Titration - Potentiometric

Selection Guide

Titrandos^®

Titrino^®

857

836

835

809

808

798

Dosing elements

Integrated Dosimat for Exchange Unit

—

—

Yes

—

Yes

Yes

Built-in holder for two Dosinos^®

Yes

Yes

—

Yes

—

—

Maximum no. of titrating burets

4

4

4

4

4

1

Intelligent Dosino with built-in SmartChip™

Yes

Yes

Yes

Yes

Yes

—

Stores titrant standardization history

Yes

Yes

Yes

Yes

Yes

—

Operation

Color, LCD Touch Control (9 cm x 12 cm)

Yes

Yes

Yes

Yes

Yes

—

8-line, B/W LCD with separate keypad

—

—

—

—

—

Yes

Real-time curve display

Yes, on color Touch Control (9 cm x 12 cm)

Yes, on 8-line LCD

Method sequences

Yes

Yes

Yes

Yes

Yes

TIP only

Storage for titration results including curve

Yes

Yes

Yes

Yes

Yes

—

Internal storage for methods

Yes

Yes

Yes

Yes

Yes

Yes

Memory card storage for results, methods

Yes

Yes

Yes

Yes

Yes

Methods only

Modes of operation

Dynamic endpoint titration

Yes

Yes

Yes

Yes

Yes

Yes

Monotonic endpoint titration

Yes

Yes

Yes

Yes

Yes

Yes

Set titration to a preset endpoint

Yes

Yes

Yes

Yes

Yes

Yes

STAT titration

Yes

Yes

Yes

—

—

—

Volumetric Karl Fischer

Yes

Yes

Yes

—

—

Yes

Measurement (pH, U/mV, T/°C)

Yes

Yes

Yes

Yes

Yes

Yes

ISE measurement (direct or standard addition)

Yes

Yes

Yes

Yes

Yes

—

pH calibration with automatic buffer recognition

Yes

Yes

Yes

Yes

Yes

Yes

Curve evaluations

Fixed endpoints

Yes

Yes

Yes

Yes

Yes

Yes

pK values (HNP)

Yes

Yes

Yes

Yes

Yes

Yes

Threshold (min./max. evaluation)

Yes

Yes

Yes

Yes

Yes

—

Break point (photometry or conductometry)

Yes

Yes

Yes

Yes

Yes

—

Traceability & security

Reagent monitoring & traceability (intelligent dosing devices)

Yes

Yes

Yes

Yes

Yes

—

User name

Yes

Yes

Yes

Yes

Yes

Yes

Login with password protection

Yes

Yes

Yes

Yes

Yes

—

Electronic signature

Yes

Yes

Yes

Yes

Yes

—

Audit trail

Yes

Yes

Yes

Yes

Yes

—

Stirrer speed control in method

Yes

Yes

Yes

Yes

Yes

—

Automatic stirrer on/off

Yes

Yes

Yes

Yes

Yes

Yes

FDA 21 CFR Part 11-compliant

Yes

Yes

Yes

Yes

Yes

With software only

Monitoring

Titrant standardization intervals

Yes

Yes

Yes

Yes

Yes

—

Confirms correct reagent is used

Yes

Yes

Yes

Yes

Yes

—

Confirms correct hardware is connected

Yes

Yes

Yes

Yes

Yes

—

Checks sample size limits

Yes

Yes

Yes

Yes

Yes

Yes

Checks result limits

Yes

Yes

Yes

Yes

Yes

Yes

Validation/service intervals

Yes

Yes

Yes

Yes

Yes

Yes

Electrode calibration intervals

Yes

Yes

Yes

Yes

Yes

Yes

Connections

MSB for Dosimats, Dosinos, stirrers

4

4

4

4

4

—

USB (sample changer, balance, printer, barcode reader)

2

2

2

2

2

—

RS-232 (balances, printer, barcode reader)

2 (optional)

2 (optional)

2 (optional)

2 (optional)

2 (optional)

2

Remote port

Optional

Optional

Optional

Optional

Optional

Yes

PCMCIA memory card port for methods, results, keycard (user identification)

Yes

Yes

Yes

yes

Yes

Methods only

Liquid handling with Dosino

Yes

Yes

Yes

Yes

Yes

—

Sensor inputs

Number of iTrode inputs

1 or 2

0

0

0

0

0

Number of electrode inputs

1 or 2, galvanically separated

2 (not galvanically separated)

Ipol & Upol—integrated polarized input

Yes

Yes

Yes

Yes

Yes

Yes

Electrode input resolution

0.001 pH, 0.1 mV, 0.1°C

0.01 pH, 1 mV, 0.1°C

Temperature sensor

Pt 1000/NTC

Pt 1000/NTC

Pt 1000/NTC

Pt 1000/NTC

Pt 1000/NTC

Pt 1000

Differential amplifier

Optional

Optional

Optional

Optional

Optional

Yes

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