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Calibration standards for polarimeters

Calibration standards for polarimeters – PQP- and PQE-quartz control plates

For a steadily high measurement accuracy

Like all measurement devices, polarimeters should be calibrated and adjusted on a regular basis. Sugar solutions are widely used as a standard for this purpose. Their disadvantage: They always have to be freshly produced for measurements. User errors during the initial weighing are difficult to prevent, and the high temperature dependency of the respective solutions also needs to be taken into account. Optically active quartz which is cut from mono-crystals is better suited for the calibration and adjustment of polarimeters. We offer you a selection of PTB-certified premium quartz control plates and (more cost-effective) quartz control plates with PTB traceable factory certification. We recommend re-qualification by our in-house service every 3-5 years.

  • High-quality mono-crystals, covered in stainless steel
  • Compliant with OIML, ICUMSA and pharmacopoeia
  • PQP models, +/- 0,0001°, PTB certifiable
  • PQE models, +/- 0,0005°, with traceable factory certification
  • Easy handling
  • Very durable

Model specifications

  PQP+17 PQP+34 PQP-17 PQP-34
TYPE Polarimeter Quartz Professional (PQP)
Premium quartz control plate with PTB-Certificate
ACCURACY ±0,001°
ANGLE OF ROTATION +17° (±1°), +50 °Z (±1 °Z) +34° (±1°), +99 °Z (±1 °Z) –17° (±1°), –50 °Z (±1 °Z) –34° (±1°), –99 °Z (±1 °Z)
WAVELENGTH 589 nm
TEMPERATURE 20 °C
HOUSING Stainless steel
SUITABLE FOR P8000 series and P3000

  PQE+17 PQE+34 PQE-17 PQE-34
TYPE Polarimeter-Quarz Economy (PQE) 
Quarz-Kontrollplatten mit Werkszertifikat, rückführbar auf PTB-Zertifikat
ACCURACY ±0,005°
ANGLE OF ROTATION +17° (±1°), +50 °Z (±1 °Z) +34° (±1°), +99 °Z (±1 °Z) –17° (±1°), –50 °Z (±1 °Z) –34° (±1°), –99 °Z (±1 °Z)
WAVELENGTH 589 nm
TEMPERATURE 20 °C
HOUSING Stainless steel
SUITABLE FOR P3000, limited suitability for P8000

Polarimeter glass tubes
PRG-Models

Polarimeter glass tubes
PRG-100-/200-ET

Polarimeter glass tube
PRG-100-EPT

Polarimeter stainless steel tubes
PRM-Models

Polarimeters
P8000-P and P8100-P

PQP- and PQE-quartz control plates

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