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HÄFNER GEWICHTE GMBH
Hohenhardtsweiler Str. 4
D-74420 Oberrot
Tel.: +49 (0) 7977-9701-0
Fax: +49 (0) 7977-9701-99
info(at)haefner.de
HÄFNER works in accordance with a quality management system and is certified by DQS in accordance with DIN EN ISO 9001:2000 (Reg. No. 059 993).
Our calibration laboratory "MASSCAL" fulfils the international norm DIN EN ISO/IEC 17025 and is accredited as part of the Deutscher Kalibrierdienst (DKD-K-26201) by the Physikalisch- Technische Bundesanstalt (PTB), giving our calibration certificates international recognition.
Through our active cooperation in the technical committee on "Masses" of the Deutscher Kalibrierdienst (DKD) and the intensive cooperation with the Physikalisch-Technische Bundesanstalt (PTB) we are always at the cutting edge of science and technology.
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Products – Individual Weights and Weight sets
Denominations:
0.1 mg - 5000 kg;
0.0001 oz - 10000 lb;
0.0001 N - 10000 N;
Regulations and Guidelines:
OIML R 111:2004;
EO8; DIN 1924;
ASTM E 617;
NIST Handbooks 105-1, 44;
NWML 7110, 7120; etc.
Error Limits (tolerance classes):
In accordance with OIML R 111: Class E0, E1, E2,F1, F2, M1, M2, M3;
In accordance with ASTM E 617: Class 0, 1, 2, 3, 4, 5, 6, 7;
In accordance with DIN 1924: Commercial weights;
In accordance with NWML 7110/7120
etc.
Types:
Flat weights, wire, knob, strap, block, cylinder, disc, hook, eye, slot, bracket, basket, etc.
Materials:
Aluminium, nickel silver, brass, grey cast iron, steel, stainless steel, special stainless steel etc.
Surfaces:
Precision turned, precision cut, precision ground, brushed, glass bead blasted, varnished, powder-coated, polished, high gloss polished, galvanised, nickel-plated, miralloy-coated.
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Accessories, Software, Service and Support
Storage and Transportation:
Wood, leather, plastic cases and service cases for individual weights and weight sets, also in special production on client’s request.
Handling and Cleaning:
Tweezers, handle, brush, gloves, cleaning cloths
Test and Monitoring Instruments:
Permeability testing devices
Room climate registration systems
With temperature, humidity and air pressure sensors
Software:
"SimplyCal"
Calibration software for scales and measuring devices
"ScalesNet"
Calibration software for weights
Service and Calibration:
We ensure the repair, cleaning, adjustment,
 calibration/recalibration or official calibration/recalibration of all your weights – of course also for other manufacturers and types.
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