Cylindrical metal spring scale, with zero position adjustment device.
....Powered with customer replaceable batteries. The scale allows a child's weight to be measured while being held by an adult. Digital weighing scale to weigh adults and children, weighing capacity up to 150kg. with 100g. graduation.
....Functions: automatic switch-off, TARE, HOLD, auto-calibration with each switch-on.
Large LCD display
Reading time max 5 seconds
Splash proof and shock resistant light-weight body
Smooth surface/finishing for easy cleaning/disinfection.
Weighing range 0 - 10kg
Minimum graduation: 5g.
Accuracy: ±5g.
Display in kilograms
All vital parts made of rust proof, child-friendly materials; display cover made of durable, transparent plastic.
Additional power supply: customer replaceable batteries.
Colour: white or similar: off-white, cream, light grey etc.
Power requirements: 220 V/50Hz
Features:
Portable and easy to carry
Built in safety valve manifold compound and pressure gauges
Vacuum gauge hose ccl-36 (90cm) with safety goggles and oil for vacuum pump
Compressor power: 280W
Rotary vane type with two stage vacuum pump
With a digital scale (up to 100 Kg with a 0.5% accuracy)
Vacuum pump pumping speed: 60L/min
Filling speed: 800g/min
Recovery rate: 150g/min
Working tank volume: 12L
External hose: 2.0M
Refrigerant electronic weighing range: 60Kg
Refrigerant electronic weighing accuracy: + 10g
Temperature: 0 -40 degree, relative humidity: 85%
External magnetic field strength: 400mA/m
Power supply: AC220 + 10% frequency: 50/60HZ
Package size: 620X680X1160mm
Machine weight: 90 kg.
It is used to do chemistry grouping experiments in middle school, such as: pump and property of oxygen, estimation of size of permanganate ion, preparation of percentage concentration solution, purification of crude salt, preparation and property of carbon dioxide, property of acid, property of alkali and salt, identification of substances and measure of acid-base property of soil, water quality and beverage.
....Simple electronic balance, 1000g, 0.1g
....Plastic, pointer-type dash board made by transparent plastic, φ100mm?
1kg, 5g. Digital visual range is 50g, accuracy class: 3', ±5g.
6 tube manometers to indicate the pressure curve in the downcomer
Measurement of flow rate via rotameter
Experimental plant for demonstration of wastewater technology
Transparent glass pipes and tanks
Contains downpipe, collection pipe, ventilation pipe and bypasses
Ten cisterns with remotely-operated solenoid valves
Two toilets with cistern or pressure flush.