Short Form Catalogue Plastics/Rubber & Packaging Industry

Helium Projects Ltd

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See the individual datasheets for more detailed information on each product type. Available from

www.helium.uk.net

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BL01 Block sensor

A surface mounting brass block, designed specifically for the plastics industry but used in other areas, which is located by a 4mm tube and is fixed into place via a bolt.

BW01 Bead Weld sensor

This sensor is the most simple type of thermocouple and is therefore inexpensive. The thermocouple junction is formed directly on the end of a length of thermocouple cable.

FS01 Flexi-couple – standard

For plastics machinery in particular, this flexible thermocouple assembly incorporates an adjustable bayonet cap, which allows for various insertion depths. Such versatility permits its use in many applications and minimises spares holding.

FS02 Flexi-couple – American

American flexi-couple assembly designed mainly for use in the plastics industry but also used in the food industry. Incorporating an adjustable bayonet cap, free running on the armoured cable, allows for various insertion depths

FS03

Flexi-couple – Italian

For plastics machinery in particular, this flexible thermocouple assembly incorporates an adjustable 2-pin bayonet cap, which allows for various insertion depths

FS04

Flexi-couple - Continental

For plastics machinery in particular, this flexible thermocouple assembly incorporates an adjustable bayonet cap, which allows for various insertion depths

LF01

Leaf sensor

A fast response sensor mounted on a 25mm x 13mm stainless steel plate, making it ideal for fitting under band and nozzle heaters. Available as a Fabricated Thermocouple only

MB01

Standard Melt Bolt

Designed to withstand the very high pressure experienced within the nozzles of plastics extruders and injection moulding machines. The thermocouples enable direct temperature measurement of the molten plastic

MB02

Twist Melt Bolt

The free running body will enable the blade style tip to be orientated, to minimize obstruction to the plastic flow, and allow the bolt to be screwed into the process without twisting the cable.

MB03 Twist Melt Bolt – Hastelloy tip

The free running body will enable the blade style tip to be orientated, to minimize obstruction to the plastic flow, and allow the bolt to be screwed into the process without twisting the cable.

MB04 Adjustable Melt Bolt

An alternative style of melt thermocouple, which allows simple, rapid adjustment of the immersion length to suit each application. The sensing tip can be positioned between 0mm and 25mm.

MB05

Twist Melt Bolt – Thermally insulated tip

The free running body will enable the blade style tip to be orientated, to minimize obstruction to the plastic flow, and allow the bolt to be screwed into the process without twisting the cable. Supplied with thermally insulated tip

MB06

Twist Melt Bolt – Fast response / Thermally insulated tip

The free running body will enable the blade style tip to be orientated, to minimize obstruction to the plastic flow, and allow the bolt to be screwed into the process without twisting the cable. Supplied with thermally insulated tip and with fast response construction

NZ01 Nozzle sensor - standard

A free-running nozzle, which allow the sensor to be threaded directly into the process without turning or twisting the wires. Available in 2 thread options (M6 or ¼” BSF)

NZ02 Nozzle sensor – probe mounted

A free-running nozzle mounted onto a 3mm diameter probe to allow the sensor to be threaded directly into the process without turning or twisting the wires

PC01

Pipe clip sensor

These are pipe clip assemblies, with cable and terminated with flying tails

SF01 Surface sensor

A bolt down surface mounting sensor brazed to a brass ‘flange’ which ensure the hot junction is in contact with the surface. Used mainly in the plastics industry but is versatile enough for use in other areas.

WR01 Washer ring sensor

Washer ring thermocouple with the hot junction located in a crimp terminal wash ring (M4, M5 or M6) for bolting down to a surface to be monitored

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PT460E – The classic rigid stem melt pressure transducer

The model PT460E transducer has become a standard in the polymer

industry. It is ideal for general purpose melt pressure measurements requiring simple installation, good accuracy, repeatability and reliability. Better than ±0.5% accuracy.

PT420A – High accuracy, rigid stem melt pressure transducer

The model PT420A is a rugged and reliable melt pressure transducer for

applications in which high accuracy and repeatability are required along with a rigid stem configuration. Better than ±0.25% accuracy.

PT462E – The classic flexible stem melt pressure transducer

The model PT462E has an 18" flexible stem between it's rigid stem and the

electronics housing to increase thermal isolation. It is the ideal choice for applications requiring good repeatability, accuracy and economy, and is widely accepted by OEM's throughout the world. Better than ±0.5% accuracy.

PT422A – High accuracy, flexible stem melt pressure transducer

The model PT422A is ideal for extrusion applications where accurate

process measurement is essential. Examples include pressure control at the die or wherever high accuracy melt pressure measurement is required. The PT422A features an 18" flexible stem which provides thermal isolation of the electronics housing. Better than ±0.25% accuracy.

TPT463E - The classic flexible stem melt pressure transducer with thermocouple

The model TPT463E combines a removable Type 'J' thermocouple with the classic PT462E pressure sensor to allow the user to make pressure and temperature measurements at a single point. It has a flexible stem for ease of mounting. Better than ±0.5% accuracy.

TPT432A – High accuracy, flexible stem melt pressure transducer with thermocouple The model TPT432A transducer

simultaneously measures both temperature and pressure at a single point. The pressure sensor is the same as in the PT422A with the addition of a removable thermocouple, that can be replaced during operation. Better than ±0.25% accuracy

PT4624, PT4625 & PT4626 – Amplified output flexible stem melt pressure transducer

The models PT4624, PT4625 & PT4626 add built-in amplifiers the the basic PT462E melt pressure transducer, eliminating the need for external signal conditioning. All models interface directly with distributed control systems, PLC's, computers and similar high level control devices.

PT4624: 4 to 20mA output / PT4625: 0 to 5 Vdc output / PT4626: 0 to 10 Vdc output

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LDE / LME – 1/16 DIN temperature controllers

SMART function – auto-tuning of control parameters / Thermocouple, RTD and linear input capabilities / Two outputs: Logic or Relay configurable /

Soft start function (output power limiting) / Built-in configuration port

LFS – 1/16 DIN controller

Thermocouple, RTD and linear input capabilities / Three outputs: Logic, Relay or isolated linear (0-20mA, 0-10V) configurable / Linear output configurable as control, retransmission of process

values or retransmission of the operative set-point / Load current measurements with alarm / RS-485 serial communications / DIN rail mounting or panel mounting

Model UPR700, 1/4 DIN pressure / process indicator with optional second input The UPR700 pressure/process indicator is a field configurable and programmable instrument with a choice of350 Ohm strain gauge, voltage or current input. A display of the process variable is shown on a bright red five digit LED display, as well as a 35 segment LED bargraph. A second digital display will capture the peak reading (selectable high or low), can be blanked, or can be used as the indicator for the optional second process variable. The UPR700 is the perfect solution for those who would like to have melt temperature and pressure read out conveniently on one instrument.

Model ATC770, 1/4 DIN self-tuning pressure and process controller

The ATC770 pressure and process controller, with it's unique self-tuning algorithm, makes it possible to set up a process such as extrusion, quickly, easily, and with a minimum of operator adjustment. Inputs include 350 Ohm strain gauge, DC voltage and DC current, making the ATC770 compatible with a wide variety of process transmitters, and thus able to control a number of factory functions. It is fully configurable with a combination of jumpers and menu options, as well as providing a selection of readout options.

Helium Projects Ltd

Projects House, 1 South Farm Industries, St Lawrence Avenue, Worthing, West Sussex, BN14 7JH.

Tel: +44 (0) 1903 211121 Fax: +44 (0) 1903 211130

email: sales@helium.uk.net Website: www.helium.uk.net

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Band and Cartridge Heaters Value band – 24” Fibreglass Flexible Leads – One-piece construction Metric Hi-Temp – Internally connected with 10” Fibreglass Flexible Leads Imperial Hi-Temp – Internally connected with 10” Fibreglass Flexible Leads

A full range of both band and cartridge heaters are available upon request

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Thread Diameter (in mm) No. Pegs Length (in mm) 1/8” BSP 1/8” BSP 1/8” BSP 1/8” BSP 1/8” BSP

11 11 11 11 16

1 Peg 1 Peg 1 Peg 1 Peg 2 Peg

22 24 29 35 14

1/8” BSPT 1/8” BSPT 1/8” BSPT 1/8” BSPT

11 11 11 11

2 Peg 1 Peg 1 Peg 1 Peg

22 22 35 70

1/8” NPT 11 1 Peg 22 M10 x 1mm 11 1 Peg 22 M12 x 1.75 10 2 Peg 30

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Burst pressure of 3500, 5500, 7500, 8500 and 9500 psi (240, 380, 515, 585 and 655 bar) Simple, intrinsically safe design Leak – tight seal Low installation and maintenance cost Up to 400°C melt temperatures Accuracy of ± 5%

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Viscosity / Rheometers Screen changers Gear pumps