Bơm tạo áp thủy lực chuẩn LR-Cal LSP 1000-EB-VP
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Bơm tạo áp thủy lực chuẩn LR-Cal LSP 1000-EB-VP

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Pressure Comparison Pump - Pressure Comparator

Spindle pump for calibration purposes

Model LR-Cal LSP 1000-EB-VP

  • Manual pressure source, hydraulic, for calibration purposes, Pressure up to 1,000 bar (14,500 psi)
  • Operating fluid: Mineral oil based hydraulic fluid, or clean water free of calcium-carbonate / scale
  • Including build-in priming pump
  • Also higher pressures to be generated with low force
  • To be fixed on a bench

Description Pressure Comparator LR-Cal LSP 1000-EB-VP


Pressure comparison pumps are used for generating pressure for the testing, adjusting and calibrating of mechanical and electronic pressure measuring instruments by means of comparison measurements. These pressure tests can be carried out in laboratories, workshops or on site at the set measuring point.

When the device under test and a reference measuring instrument with an adequate accuracy are connected to the test pump, the same pressure will act on both measuring instruments after actuating the pump. A calibration or an adjustment can be carried out by comparing the two measured values at any pressure value.

In order to enable an accurate generation of the measuring points, the pressure comparison pump LR-Cal LSP 1000-EB-VP is provided with a fine adjustable spindle pump. In addition, the LR-Cal LSP 1000-EB-VP features a spindle which only runs withing the pump body. Thus there is no adverse bending moment acting on an outstanding spindle, and particularly for field use this has the advantage that the dimension of these pressure comparison pumps will not change when the spindle is turned during operation. The LR-Cal LSP 1000-EB-VP needs only little force to generate also high pressures.


Thông số kỹ thuật

Specification Pressure Comparator LR-Cal LSP 1000-EB-VP


Pressure generation


0...1,000 (14,500 psi)



Mineral oil based hydraulic fluids or clean water (free of calcium-carbonate / scale)

Pressure ports


2 x 1/2" BSP female, rotating, incl. O-ring seal

Fluid reservoir



Piston diameter



Spindle stroke


approx. 3.9 (per turn approx. 0.1)

Needed force


at 250 bar: 2.0; at 500 bar: 4.0; at 1,000 bar: 8.0



Stainless steel, aluminum, brass, Plexiglas, ABS, Viton and NBR

Distance of pressure ports





L 280 x D 600 x H 220 (without spindle star)




Stationary fixing


2 drillings in front flange (dia. 6.4 mm)




  • Versions for aggressive media like SKYDROL or brake fluids also available (Order-Code: LSP-1000-EB-VP-S).

Tùy chọn phụ kiện

Accessories for Pressure Comparator LR-Cal LSP 1000-EB-VP





Blind plugs for both pressure ports (1/2" BSP), two pcs. required.


Spare O-rings for pressure ports (1/2" BSP), bag with 10 pcs.


Set of stainless steel adapters for pressure ports
1/4" BSP, M20x1.5, 1/4" NPT, 1/2" NPT and set of gaskets


90° angled adapter 1/2" BSP, needed for test items with
back connection


Operating fluid (mineral oil based hydraulic fluid)
Bottle with 1 l content


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