Coulometric Karl Fischer Titrator LWT-A30

Coulometric Karl Fischer Titrator LWT-A30 is a benchtop unit with 10°C to 35°C ambient temperature range, 0 to 100 mg measurement range, and 10 µg to 1000 µg, ± 2 µg amount of electrolysed water range. Features fast and accurate water content determination with very simple process and portable handling unit. It is in accordance with ASTM D1533 (Standard Test Method for Water in Insulating Liquids by Coulometric Karl Fischer Titration) and ASTM D6304 (Standard Test Method for Determination of Water in Petroleum Products, Lubricating Oils, and Additives by Coulometric Karl Fischer Titration).

Ambient Temperature 10°C to 35°C
Measurement Range 0 to 100 mg
Resolution 0.1 µg
Max. Electrolysis Speed 40 µg /s
Amount and Precision of electrolysed water 10 µg to 1000 µg, ± 2 µg and >1000 µg, 0.2 %
Relative Humidity ≤ 85 %
Max. Power Consumption 30 W
Power Supply AC 220 V ± 20 %, 50 Hz
Dimension 320 × 240 × 150 mm
Net Weight 5 kg
  • Capability of saving maximum 255 data
  • 240 × 128 pixels dot-matrix LCD screen
  • Equipped with Calendar clock, to record date and time
  • End point of sample is measured with high electrode precision value with electrolyte blank current and equilibrium point drift compensation adaptation for accurate measurement
  • Automatic shutdown LCD screen with screen protection function
  • Design with open-circuit fault and short-circuit fault for automatic detecting function of measuring electrode
  • Portable and easy handling

Coulometric Karl Fischer Titrator is used for the determination of water content in petroleum products and lubricating oils and additives by Karl Fischer titration

Ambient Temperature Range ≤ 35°C
Relative Humidity ≤ 85%
Heating Mantle Cap Power 1000 W × 2
Sample Determination 2 at a time
Ambient Temperature Range ≤ 35°C
Relative Humidity ≤ 85%
Heating Mantle Cap Power 1000 W
Sample Determination 1 at a time
Ambient Temperature Range -10 to 35°C
Relative Humidity ≤85%
Distillation Flask 1000 ml
Receiver 5 ml, with 0.05 ml graduation
Maximum current 400 mA
Measurement range 3 µg to 9999.9 µg
Resolution 0.1 µg
Precision 1 ± 2 µg (3µg H<sub>2</sub>O to 20µg H<sub>2</sub>O)
Calorimeter type Isoperibol
Temperature range 5 to 40°C
Measurement range 5 to 40 MJ/ kg
Operation Mode The outer barrel temperature is constant
Calorimeter type Isoperibol
Oxygen filling Fully automatic oxygen filling & releasing, fully automatic bomb raising & lowering
Bomb volume 250 ml
Analysis time < 8 min full test process: <10 min
Calorimeter type Isoperibol
Temperature range 5 to 40°C
Measurement range 5 to 40 MJ/ kg
Operation Mode A. Outer barrel temperature follows room temperature change mode Or B. Outer barrel temperature constant mode
Potential measuring range (0 to ±1999.5) Mv
Intrinsic error 0.1 % ±0.5 mV
Input impedance Ri ≥1 × 1012 Ω
Burette capacity 10 mL
Ambient temperature (-10) °C ~ 35 °C
Relative humidity ≤ 85 %
Capillary viscometer 7 pieces of Cannon-Fenske reserve-flow capillary viscometer tubes in a group
Stirring motor 6 W, 1200 rpm
Ambient temperature (-10) °C ~ 35 °C
Relative humidity ≤ 85 %
Capillary viscometer 11 pieces
Stirring motor 6 W, 1200 rpm
Ambient temperature (-10) °C ~ 35 °C
Relative humidity ≤ 85 %
Capillary viscometer 11 pieces
Stirring motor 6 W, 1200 rpm
Ambient temperature ≤ 35 ℃
Relative humidity ≤ 85 %
Heating power of electric furnace 250 W × 2
Total power consumption ≤ 700 W
Beaker quantity 600 ml
Ambient temperature (-10) °C ~ 40 °C
Relative humidity ≤ 85 %
Thermometer Measurement range (-5) °C ~ 300 °C
 Measuring Range For Aviation Gasoline 86.0 to 105.0/MON
 Measuring Range For Gasoline For Motor Vehicles National standard: 65.0 to 110.0/RON<br/> National-V standard: 70 to 115.0/RON<br/> Blended gasoline: 75.0 to 120.0/RON<br/> Light gasoline: 50.0 to 85.0 /MON<br/> Isomerized gasoline: 85.0 to 120.0/RON<br/> Arene gasoline: 90.0 to 120.0/RON
 Measuring Range For Ethanol E93: 92.0 to 95.0/RON<br/> E97: 95.0 to 99.0/RON<br/> Judgement: 60.0 to 120.0/RON
Measuring Range For Automobile Diesel Fuels Cetane number: 25 to 75/CN<br/> Cetane index: 20 to 80/CI
Measurement item motor gasoline and diesel
measurement unit of octane is ON 40 to 120
Permissible error of octane ± 0.5 max
Fluctuate range of octane ± 0.2 max