The Perfect Weight
HÄFNER sets standards worldwide with high-quality test weights and high-precision mass standards. A wide variety of industries, institutes and authorities trust our accredited competence and the quality of our test weights. Because you know: HÄFNER stands for perfection. With every calibration, every test, verification and adjustment.
HÄFNER's quality management system was introduced in 1998. It is certified by DQS GmbH (German Association for the Certification of Management Systems) according to DIN EN ISO 9001:2015 (Reg. No. 059 993 QM15).
Our "MASSCAL" calibration laboratory meets the international standard DIN EN ISO/IEC 17025:2015 and is accredited by the DAkkS (German Accreditation Body) (Registration No. DK-15192-01-00). DAkkS is a full member of the following European and international accreditation organizations: EA (European cooperation for Accreditation), IAF (International Accreditation Forum) and ILAC (International Laboratory Accreditation Cooperation).
Multilateral agreements and agreements between the national accreditation bodies and the European and international accreditation organizations (EA MLA, IAF MLA and ILAC MRA) enable mutual recognition of the services and results of accredited bodies. This gives our calibration work and calibration certificates international recognition.
Our calibration laboratory MASSCAL is a member of the DKD (German Calibration Service). Through active participation in the "Mass" technical committee of the DKD (German Calibration Service) and the intensive cooperation with the PTB (Physikalisch-Technische Bundesanstalt), HÄFNER is always up to date with the latest science and technology.
Product and service range / scope of accreditation
- Nominal values
- 0.05 mg - 5,000 kg;
- 0.0001oz - 10,000lb;
- 0.0001N - 10,000N;
- Regulations and policies
- according to OIML R 111:2004:
- Class E0, E1, E2, F1, F2, M1, M2, M3
- according to ASTM E 617:
- Class 0, 1, 2, 3, 4, 5, 6, 7
- Error limit classes (tolerance classes)
- according to OIML R 111:2004:
- Class E0, E1, E2, F1, F2, M1, M2, M3
- according to ASTM E 617:
- Class 0, 1, 2, 3, 4, 5, 6, 7
- Designs
- Plate, Wire, Button, Strap, Block, Cylinder, Disc, Hook, Eye, Slot, Strap, Basket, etc..
- Surfaces
- Fine turned, fine milled, fine ground, brushed,
- glass bead blasted, lacquered, powder-coated, polished,
- highly polished and galvanized.
- Materials
- Aluminum, nickel silver, brass, cast iron, steel and stainless steel, special stainless steel
- Accessories, software, service and support
- Storage and transport:
-
Wood, leather, plastic case and service cases for individual weights and weight rates,
Also as special designs according to customer requirements.
- Handling and cleaning
- Tweezers, handles, brushes, gloves, cleaning cloths
- Control and monitoring tools:
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Permeability test devices, indoor climate acquisition systems with temperature, moisture
and air pressure sensors
- Software
- SimplyCal, scale calibration software
- Service and calibration
- Repair, cleaning, adjustment, calibration and recalibration of all weights - including those of other manufacturers, of course.