Lab Jacks

Lab Jacks

Raise and lower loads up to 45.4 kg (100 lb). Vertical movement is controlled by a large plastic serrated knob.

The standard lab jack can lift loads through a vertical distance of 191 mm (7.5 in) to a maximum height of 267 mm (10.25 in). Minimum height is 70 mm (2.75 in). The micro jack can lift loads through 57 mm (2.25 in) of vertical travel to a maximum height of 86 mm (3.375 in). Minimum height is 29 mm (1.125 in).

Item# Description U.S. List Price Quantity
56-9939 Harvard Apparatus Standard Lab Jack
56-9947 Harvard Apparatus Standard Lab Jack with Platform and Rod
56-9954 Harvard Apparatus Micro Lab Jack
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These lab jacks can raise and lower loads up to 45.4 kg (100 lb). Vertical movement is controlled by a large plastic serrate knob. The standard lab jack can lift loads through a vertical distance of 191 mm (7.5 in) to a maximum height of 267 mm (10.25 in). Minimum height is 70 mm (2.75 in). The micro jack can lift loads through 57 mm (2.25 in) of vertical travel to a maximum height of 86 mm (3.375 in). Minimum height is 29 mm (1.125 in).

The standard jack base and top plates measure 121 x 140 mm (4.74 x 5.5 in). Both plates are predrilled so that two jacks may be stacked if additional working height is required. The standard jack is also available with or without a removable platform and vertical rod. The platform measures 203 x 203 mm (8 x 8 in) and has a 457 mm (18 in) vertical support rod. The micro jack base and top plates measure 76 x 75 mm (3 x 3 in). These plates may be removed to expose a smaller plate measuring 38 x 50 mm (1.5 x 2 in).

Specifications56-993956-994756-9954
Base and Top Plate Dimensions (L x W) English5.5 x 4.74 in5.5 x 4.74 in3 x 3 in
Base and Top Plate Dimensions (L x W) Metric140 x 121 mm140 x 121 mm76 x 75 mm
Height Range of Load English2.75 to 10.25 in2.75 to 10.25 in1.125 to 3.375 in
Height Range of Load Metric70 to 267 mm70 to 267 mm29 to 86 mm
Lower Top and Base Plate Dimensions (L x W) Metricnana50 x 38 mm
Maximum Load English100 lb100 lb100 lb
Maximum Load Metric45.4 kg45.4 kg45.4 kg
Platform Dimensions (L x W) English8 x 8 in8 x 8 inna
Platform Dimensions (L x W) Metric203 x 203 mm203 x 203 mmna
Rod Length English18 in18 in 
Rod Length Metric457 mm457 mm 
Vertical Distance of Load English7.5 in7.5 in2.25 in
Vertical Distance of Load Metric191 mm191 mm57 mm
Weight Metricnana2 x 1.5 in