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Home  >>  Products  >>  Dispersion  >>  Laboratory Stirring Systems & Precision Stir-Testers

Laboratory Stirring Systems & Precision Stir Testers


G. K. Heller stirrers offer a wide range of features and capabilities including:

  • Feedback circuitry on all models to maintain speed even when viscosity changes
  • Standard horsepower ratings from 1/40 to 1/4 horsepower, 50/60 Hz operation
  • A selection of propellers & paddles from 1-1/2" to 6" diameter
  • Reference circuitry maintains speed even with voltage fluctuations of ±10%
  • Cord connections between drive motors & controls increase convenience & allow placement away from hostile environments
  • Stirrers filter the drive current for better performance. This filtering process:
    • Eliminates the objectionable pulsing action common to unfiltered DC current
    • Reduces motor heating
    • Allows the use of a smaller motor for the same power rating
    • Ensures smooth rotation for precise stirring
    • Lengthens motor brush life
    • Prevents demagnetization of permanent-magnet motor fields

 

Stirring Systems

GT31 Stirring System - A favorite with chemists and lab technicians everywhere. Totally enclosed, 1/40 hp, permanent magnet motor with two output shafts for maximum speeds of 4,000 and 333 rpm. The armature shaft provides high speeds for mixing light materials, while the geared shaft generates 3.6 lb. - in. (4.2 kg-cm) of torque at slower speeds for stirring more viscous mixtures. Continuously variable speed control.

GT31
GT24 Stirring System - Combines today's permanent-magnet motor technology with solid state electronics. Totally enclosed, 1/17 hp, cool, and quiet-running motors with direct-drive and geared options. Models available with speeds up to 2,500 rpm and torques up to 12 lb. - in. (13.8 kg-cm). Continuously variable speed control. GT24

Precision Stir Testers

Precision Stir-Testers - Dust on Steel Assessment Equipment & Test for Cleanliness and CTR Laboratory stirring speed and torque measurement is easier and more precise with the Glas-Col/G.K. Heller HST Series stir testers:

  • Actual speeds are displayed and maintained by a synthetic tachogenerator. (Speed is kept within less than 1% of the base speed from no load to more than 100% of full load regardless of AC line voltage fluctuations of ±10%.)
  • Viscosity measurement is easier thanks to a controller with a digital readout switchable between speed and torque.
  • Data on shear stress, shear rate, velocity gradients, and viscosity is accumulated easily with external DC voltage signals for speed and torque (for strip or X-Y recorders) available through an output port on the rear of the control.
  • Operator convenience and safety is increased with cord connections between drive motors and controls to allow control placement away from hostile environments.
HST30 HST30 HST30
HST10 HST20 HST30

Technical Data

Technical Data
  Horse Power: Motor Type: Input Voltage: Max RPM: Torque:
lbs / in. kg / cm.
MX-GT31 1/40 Dual-shaft 18:1 gearmotor 120 333/4,000 3.6 / .26 4.2 / .3
MX-GT2406 1/17 Single-shaft 6:1 gearmotor 120 417 5.4 6.2
MX-HST10N 1/17 Direct drive; rpm/torque readout & X-Y output 120 2,500 1.5 1.73
MX-HST1006 1/17 Similar to HST10N but with 6:1 gearmotor 120 417 5.4 6.22
MX-HST1012 1/17 Similar to HST10N but with 12:1 gearmotor 120 208 12.0 13.8
MX-HST210N 1/17 Direct drive; rpm/torque readout & X-Y output 208-240 2,500 1.5 1.73
MX-HST210-6 1/17 Similar to HST210N but with 6:1 gearmotor 208-240 417 5.4 6.22
MX-HST210-12 1/17 Similar to HST210N but with 12:1 gearmotor 208-240 208 12.0 13.8
MX-HST20N 1/8 Direct drive; rpm/torque readout & X-Y output 120 2,500 3.6 3.57
MX-HST20-4 1/8 Similar to HST20N but with 4:1 gearmotor 120 660 6 6.9
MX-HST20 1/8 Similar to HST20N but with 9:1 gearmotor 120 266 21 24.2
MX-HST20-21 1/8 Similar to HST20N but with 21:1 gearmotor 120 125 46 53
MX-HST2044 1/8 Similar to HST20N but with 44:1 gearmotor 120 57 96 111
MX-HST220N 1/8 Direct drive; rpm/torque readout & X-Y output 208-240 2,500 3.6 3.57
MX-HST220-4 1/8 Similar to HST220N but with 4:1 gearmotor 208-240 660 6 6.9
MX-HST220 1/8 Similar to HST220N but with 9:1 gearmotor 208-240 266 21 24.2
MX-HST220-21 1/8 Similar to HST220N but with 21:1 gearmotor 208-240 125 46 53
MX-HST220-44 1/8 Similar to HST220N but with 44:1 gearmotor 208-240 57 96 111
MX-HST30N 1/4 Direct drive; rpm/torque readout & X-Y output 120 2,500 6.3 7.3
MX-HST230N 1/4 Direct drive; rpm/torque readout & X-Y output 240 2,500 6.3 7.3

Accessories

Propellers Lab Stand
Propellers & Paddles Lab Stands

 

Prices

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Prices subject to change    Prices listed in US dollars for domestic shipments within US, Canada, & Mexico only    Export orders require quotations - click here for a quote     For more info call us 1-800-762-2478 or 954-946-9454.
Catalog No. Description Prices
Stirring Systems
MX-GT31 GT31 Stirring System, 1/40 hp $1,150.80
MX-GT2406 GT24 Stirring System, 1/17 hp 1,491.00
Precision Stir-Testers
MX-HST10N HST10 Series Stir Tester, 1/17 hp 2,055.00
MX-HST1006 HST10 Series Stir Tester, 1/17 hp 2,055.00
MX-HST1012 HST10 Series Stir Tester, 1/17 hp 2,055.00
MX-HST210N HST10 Series Stir Tester, 1/17 hp 2,285.00
MX-HST210-6 HST10 Series Stir Tester, 1/17 hp 2,622.00
MX-HST210-12 HST10 Series Stir Tester, 1/17 hp 2,622.00
MX-HST20N HST20 Series Stir-Tester, 1/8 hp 2,631.00
MX-HST20-4 HST20 Series Stir-Tester, 1/8 hp 2,639.00
MX-HST20 HST20 Series Stir-Tester, 1/8 hp 2,639.00
MX-HST20-21 HST20 Series Stir-Tester, 1/8 hp 2,639.00
MX-HST2044 HST20 Series Stir-Tester, 1/8 hp 2,813.00
MX-HST220N HST20 Series Stir-Tester, 1/8 hp 2,681.00
MX-HST220-4 HST20 Series Stir-Tester, 1/8 hp 2,976.00
MX-HST220 HST20 Series Stir-Tester, 1/8 hp 2,976.00
MX-HST220-21 HST20 Series Stir-Tester, 1/8 hp 2,976.00
MX-HST220-44 HST20 Series Stir-Tester, 1/8 hp 3,031.00
MX-HST30N HST30 Series Stir-Tester, 1/4 hp 2,966.25
MX-HST230N HST30 Series Stir-Tester, 1/4 hp 3,033.45
Accessories
MX-A100103 Stainless steel, 4-bladed propeller 1-1/2" (38 mm) diameter on 1/4" diameter (6.4mm) shaft, Shaft length 9 in (229 mm) 113.40
MX-A100104 Stainless steel, 4-bladed propeller 1-1/2" (38 mm) diameter on 1/4" diameter (6.4mm) shaft, Shaft length 12 in (305 mm) 117.60
MX-A130153 Stainless steel, 4-bladed propeller 2" (50.8 mm) diameter on 1/4" diameter (6.4 mm) shaft, Shaft Length 9 in (229 mm) 132.20
MX-A130154 Stainless steel, 4-bladed propeller 2" (50.8 mm) diameter on 1/4" diameter (6.4 mm) shaft, Shaft Length 12 in (305 mm) 145.95
MX-A130150 Heavy-duty lab stand with 3/4" (19mm) diameter, 28" length nickel-plated mast. Cast iron base with 1/2" 13 threaded holes for additional rods. Accommodates containers up to 16" (406mm) diameter. Weight, 12 lbs. (5.4 kg), Shaft Length 30 in (762 mm) 340.20



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