Meltflow Index Testing Kit and ISO17025 System Calibration Certificate

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Meltflow Index Testing Kit consists of the following:

  • MFI Handheld Probe
  • L200 PT Datalogger
  • ISO17025 (UKAS) System Calibration Certificate

The melt flow index test is regularly used in the geosynthetics industry to measure the molecular weight of a polymer indirectly.

Pertaining to materials typically used in geosynthetics, this test follows ASTM D1238 or ISO 01133 and this test kit will help with these standards.

The polymer is heated in a small oven and a normal load is applied to the molten material.

Meltflow Index Probe with 4 measuring sensor points

Meltflow Index Probe with 4 measuring sensor points.


PRT sensor assemblies are constructed using sensing resistors (detectors) of the specified tolerance ( i.e. 1/3DIN ).

This tolerance refers to the detector only, not the complete, fabricated probe.

Detector tolerance is rarely achieved via the probe terminations due to lead resistance effects, welding of extension leads to the detector and general manipulation during construction.

The true measurement uncertainties are available via optional UKAS traceable Probe Calibration.

See Specification table below.

L200-PT Pt100 Temperature Monitor

The Labfacility L200 PT Temperature Logger can be used in conjunction with a PC to provide accurate, versatile 8 channel Pt100 temperature measurement, scanning and logging of measured values. It can also be used as a stand alone indicator/logger and incorporates a digital display of measured temperature.

Self-calibration of Pt100 ranges is simple and uses plug-in precision resistors.

Key Features

L200 PT

Simple operation

Low cost - high performance

8 Pt100 (3 wire) inputs

Built in display for selected channel or all channels auto-scrolling

Resolution 0.1°C on L200 display, 0.01°C in software

Self calibration feature

Select °C or °F

PC software included for remote control and measure, logging and calibration

The in-built, self-calibration facility is a rapid and convenient method for on-site calibration and does not require any additional equipment other than a special, external link.

The L200 is designed to provide exceptional stability with high measurement resolution and represents an ideal crossover between plant practicality and laboratory performance at a very competitive price.

Calibration Details

  • ISO17025 (UKAS) System Calibration Certificate of instrument and MFI sensors.
  • Testing points are 10, 30, 50 and 70mm from tip of temperature probe.
  • System Calibration temperature points at 220, 230, 240 DEG C on all four sensing points


General DescriptionMeltflow Index Machines (MFI). Sensors with 4 point measuring points
Accuracy±0.06°C @ 0°C
Cable Length1.3m
Cable TypeStainless Fixable Armour and PTFE insulated screened lead
Core / Strands7/0.2mm
Max. Temperature400°C
Min. Temperature20°C
Probe Diameter9.4mm
Probe Length170MM
Sensor Type1/3 Din (100 Ohms @ 0°C)
Sheath MaterialStainless steel 316 sheath
Cable Connection3-Wire current
CalibrationISO17025 (UKAS) calibration @220, 230, 240°C
Termination TypeBare tails