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swedish.std
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1998-12-10
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Swedish Recommendations for VDUs
================================
MPR-I TCO'89 MPR-II TCO'91
Coordinate system sphere sphere cylinder cylinder
Distance 30 cm 30 cm 50 cm 30 cm
X ray 5000 nGy/h 5000 nGy/h 5000 nGy/h 5000 nGy/h
Electro-static +/- 500 V +/- 500 V +/- 500 V +/- 500 V
field (equivalent
surface potential)
Dynamic electric field
Band I (5 Hz.. 2 kHz) --- --- 25 V/m (RMS) 10 V/m (RMS)
Band II (2 kHz..400 kHz) --- --- 2.5 V/m (RMS) 1 V/m (RMS)
Dynamic magnetic field
Band I (5 Hz.. 2 kHz) --- --- 250 nT (RMS) 250 nT (RMS)
Band II (2 kHz..400 kHz)50 nT (P-P) ---25 nT (RMS)25 nT (RMS)
25 mT/s (P-P) 10 mT/s (P-P)
-----------------------------------------------------------------------------
(P-P) peak-to-peak (RMS) effective value
MPR-I : Testing visual display units -- test methods. Statens maet och
provraad, MPR 1987:2, 1987-05-15. (These are known as *the Swedish
guidelines*)
MPR-II: Test methods for visual display units. Statens maet och provraad,
MPR 1990:8, 1990-12-01. (Update to MPR-I).
TCO'89: Alternative suggestions by Swedish Trade Unions, 1989.
TCO'91: Update to TCO'89.
Quoted according to c't 7/91, Hannover, Germany.
No guarantees of correctness, fitness for any particular purpose, etc
\Gisbert <s00100@dbnrhrz1.bitnet>