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Compare modelsSG $6,963.57
Inc. GST
The KNF LABOPORT Vacuum Pump System SH 840 G is a robust and chemically resistant solution for laboratory vacuum applications. With a final vacuum of 6 mbar and an overpressure capability of 0.1 bar g, this pump system offers reliable performance for a wide range of laboratory operations. Operating at 34 l/min and equipped with a motor rated at IP 30, it ensures efficient operation under demanding conditions. The system is powered by a 240 V motor (50/60 Hz) and housed in a compact design measuring 340x416x274 mm, making it ideal for bench-top installations.
This KNF LABOPORT vacuum pump system delivers high-quality, oil-free performance and is engineered for long-term durability in laboratory environments.
SG $6,963.57
Inc. GST
Manufacturer P/N
325238/315994
Part Number
4.684 034
Manufacturer
KNF
Depth
274 mm
SG $6,161.22
Inc. GST
Manufacturer P/N
325234/313452
Part Number
4.684 033
Manufacturer
KNF
Depth
260 mm
Manufacturer P/N
U325238/315995
Part Number
4.686 734
Manufacturer
KNF
Depth
274 mm
Manufacturer P/N
U325234/313453
Part Number
4.686 735
Manufacturer
KNF
Depth
260 mm
Diaphragm vacuum pumps LABOPORT® N 820 G / N 840 G, chemically-resistant
It is a robust and chemically resistant solution for laboratory vacuum applications. With a final vacuum of 6 mbar and an overpressure capability of 0.1 bar g, this pump system offers reliable performance for a wide range of laboratory operations. Operating at 34 l/min and equipped with a motor rated at IP 30, it ensures efficient operation under demanding conditions. The system is powered by a 240 V motor (50/60 Hz) and housed in a compact design measuring 340x416x274 mm, making it ideal for bench-top installations.
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7 mins read
Cleaning laboratory glassware properly is essential for accurate, safe, and repeatable lab work. This guide explains how to remove stubborn residue from beakers, flasks, bottles, volumetric glassware, and other lab glassware, including grease, dried salts, biological residue, stains, and burnt deposits. It also covers safe cleaning methods, common mistakes, drying and storage tips, and when damaged glassware should be replaced.
7 mins read
Pipette calibration helps laboratories confirm that liquid handling results remain accurate, repeatable, and traceable. This guide explains how pipettes are calibrated to ISO 8655 standards, including gravimetric testing, environmental control, correct tip selection, volume testing, calibration records, and common mistakes to avoid. It also covers when to use in-house calibration and when an external calibration service may be more suitable.
9 mins read
A free molarity and dilution calculator covering four essential lab calculations: C1V1=C2V2 dilution (solve for any unknown), molarity from mass, mass from molarity, and serial dilution table generation. Includes worked examples, a concentration units guide and step-by-step preparation instructions for every result.
9 mins read
Free online buffer preparation calculator. Select your buffer system, enter target pH, concentration and volume, and get an exact lab-ready recipe with reagent masses and step-by-step instructions. Covers PBS, Tris-HCl, sodium phosphate, acetate, HEPES, MOPS and more.
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6 mins read
Laboratory balances are essential weighing instruments used to measure samples, reagents, powders, chemicals and materials with accuracy and consistency. They are commonly used in research, education, quality control, pharmaceutical testing, food testing, industrial laboratories and general scientific workflows.
SG $6,963.57
Inc. GST
