Zhiwei ZWS301 Karl Fischer Water Content Tester (10ug ~ 100ug)

Drop formula: electric quantity titration (Coulomb analysis)

Range: 100mg ~ 0ug (10ug ~ 100ug)

Threshold: 0.1ug

Accuracy: 100ug + 3UG, 500ug + 3% (no error, environmental humidity error)

Test sample type: solid, liquid, gas

Display formula: 64K color high definition touch monitor

Data storage: 1000 test records

Status indication: Dynamic curve, text display

Stir mixing speed: sliding touch panel speed control

Time period: ten years of normal operation of power down time

Printer: micro thermal printer, paper width 56mm

Power source: 220V 10V + AC, 50Hz + 2.5Hz

Work rate: 50VA

Using ambient temperature: 5 ~ 35

The use of environmental humidity: less than 85%

Dimensions: 260mm X 220mm 330mm (length x width x height)

Micro-water gasification device ( cassette furnace )

Heating range: 70 ~ 300℃

Heating method: Aluminum block heater

Heating accuracy: 0.2℃

Control method: PID control

Heating speed: 120S (from room temperature to set temperature 100°C)

Sample mass: less than 10g or less than 2.5ml

Test range: relative water content of sample ≥30ppm

Carrier gas: nitrogen (purity higher than 99.99%, gas pressure ≤120kPa)

Carrier gas flow rate: Knob can adjust carrier gas flow rate 0 ~ 200ml/min

Volume: 10.300 (W) × 135 (D) × 220 (H) mm

Weight: 3.5kg

Power supply: AC220V (50/60Hz)

Working environment: Temperature: 5 ~ 40℃ Humidity: below 85%