Metrohm 855 Robotic Titrosampler 로봇식 적정 샘플러 (Basic; 1T/2P; –1200 to +1200 mV; 16.4 kg)

Measuring Interface

Type: Galvanically isolated

Measuring Cycle: 100 ms

Potentiometry

Inputs:

High-ohm input for pH/redox/ISE

Reference input

Input Resistance: > 1 × 10¹² Ω

Offset Current: < 1 × 10⁻¹² A

Range: –20 to +20 pH

Resolution: 0.001 pH, 0.1 mV

Accuracy: ±0.003 pH, ±0.2 mV

Polarizer

Input for Polarizable Electrode:

Ipol: Adjustable current (–125 to +125 µA)

Upol: Adjustable voltage (–1250 to +1250 mV)

Range: –1200 to +1200 mV

Accuracy: ±0.2 mV

Temperature

Input for Pt1000/NTC Sensors

Range:

Pt1000: –150 to +250 °C

NTC: –5 to +250 °C

Accuracy: ±0.2 °C (Pt1000), ±0.6 °C (NTC)

Lift and Turntable

Stroke Path: 235 mm

Lift Load: Approx. 30 N

Lift Rate: 5–25 mm/s

Turntable Speed: 3–20 degrees/s

Membrane Pump

Flow Rate: > 450 mL/min

Pressure Head: 2 m

786 Swing Head

Max Load: Approx. 15 N

Swing Rate: 10–55 degrees/s

Interfaces and Connectors

Controller: USB upstream port (9-pin Mini DIN)

MSB Connectors: 3 × 9-pin Mini DIN for dosing devices

USB Ports: 2 × type A sockets (500 mA)

Stirrer Connectors: Adjustable rates (180–3000 rpm)

Pump Connector: 2 × M8 threads

Power Connection

Voltage: 100–240 VAC ± 10%

Frequency: 50–60 Hz ± 3%

Power Consumption: 115 W

Ambient Conditions

Operating Range: +5 to +45 °C, max. 80% humidity

Storage: Same as operating

Altitude: Max. 2,000 m.a.s.l.

Dimensions - Weight

Size: 0.28 m x 0.73 m x 0.53 m

Weight: 16.4 kg

Material

Housing: Metal, surface-treated