DM-31 – 3位半數字式電錶

Accuracy…………………………………. DC ±0.1% F.S.±1 digit

AC ±0.25% F.S.±1 digit

Hz±0.2% RD.±2 digits

Ohm±0.2%RD.±1 digit

RTD ±0.5℃±2 digits

Conversion rate (about) 3/sec. (DC), 1/sec. (AC, Hz, RTD)

6/sec. (Ohm)

Over input indication……………………………………………. “1”

Polarity………………………………………….. Only “－” display

Frequency range ………………… 45～400Hz for AC Range

Operating temp. ………………………………………….. 0～60℃

Storage temp. ………………………………………….. -10～70℃

Temp. coefficient ………………………………………………………

………………… ≦100PPM/℃(≦60PPM/℃, 25℃±10℃)

Max. relative humidity ……………………………………….. 95%

Dielectric strength ….. AC 2 KV/1 min. (input/power/case)

Surge test …………………………4 KV/1.2×50μs, IEC 255-4

Aux. power ……………… AC 115V/230V ±10%, 50/60 Hz

DC 24V, 48V, 110V, ±20% (option)

Power consumption ……………………… AC 3.5VA, DC 3W

Weight (about) ………………………………………………… 320g