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8/10             ELECTRICAL INSTALL ATION SOLUTIONS FOR BUILDINGS   2CHC 420 001 C0201




          —
          Energy efficiency
          DMTME multimeters




                                    1.3 mm
                                    Auxiliary supply              [V rms]  230 +15% - 10%   DMTME, DMTME-72 and DMTME-96
                                    [V rms]                              400 +15% - 10%   DMTME-72
                                    [V rms]                              115 +15% - 10%   DMTME , DMTME-96
                                    Frequency                     [Hz]   45…65
                                    Power consumption             [VA]   <6
                                    Fuse protection                      T0.1A
          DMTME                     Voltage measuring inputs
                                    Range                         [V rms]  From 10 to 500 V AC phase to neutral;
                                                                         From 17 to 865 V AC phase to phase.
                                    Max. non destructive          [V rms]  550
                                    Impedance (L-N)               [MW]   >8
                                    Current measuring inputs (only external CTs .../5 A)
  8
                                    Range                         [A rms]  0.05…5
                                    Overload                             1.1 permanent
                                    Measurement accuracy
                                    Voltage                              ±0.5% F.S. ±1 digit in range
                                    Current                              ±0.5% F.S. ±1 digit in range
                                    Active power                         ±1% ±0.1% F.S. from cosj = 0.3 to cosj = -0.3
                                    Frequency                            ±0.2% ±0.1Hz from 40.0 to 99.9 Hz
                                                                         ±0.2% ±1Hz from 100 to 500 Hz
                                    Energy metering
                                    Maximum metered value for single phase  4,294.9 MWh (MVarh) with KA = KV = 1
                                    Maximum metered value for three phase  4,294.9 MWh (MVarh) with KA = KV = 1
                                    Accuracy                             Class 1
                                    Max. power consumption        [VA]   1.4 for each input (with Imax = 5A rms)
                                    Digital outputs
                                    Pulse duration                       50 ms OFF (min)/ 50 ms ON
                                    Vmax on contact                      48 V (d.c. or a.c. peak)
                                    Wmax dissipation                     450 mW
                                    Max frequency                        10 pulses/sec
                                    Imax contact                         100 mA (d.c. or a.c. peak value)
                                    Insulation                           750 Vmax
                                    Programmable parameters
                                    kVT transformer ratio Vprim/Vsec     1…500
                                    kCT transformer ratio Iprim/Isec     1…1,250
                                    Free hour counter             [h]    0…10,000,000, resettable
                                    Countdown                     [h]    1…32,000
                                    Operating temperature         [°C]   0…+50
                                    Storage temperature           [°C]   -10…+60
                                    Relative humidity                    90% max. (non condensing) at 40°C
                                    Overall dimensions            [mm]   105x90x58                    DMTME
                                                                  [mm]   96x96x103                    DMTME-96
                                                                  [mm]   72x72x90                     DMTME-72
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