tender for purchase of ammeter, voltmeter and digital multi-meter , ammeter, voltmeter and digital multi-meter , digital multi-meter specifications • t-rms measurements • auto-ranging • 6000 counts lcd display • sampling rate 2~3 times per second • over-range indication: ol. • display for capacitance range: 6200 counts • display for frequency range: 9999 counts • auto polarity • operating temperature: 0°c~40°c (32°f~104°f) • storage temperature: -10°c~50°c (14°f~122°f) • relative humidity: 0°c~30°c, rh = 75% 30°c~40°c, rh = 50% • operating altitude: 0~2000m • battery: 6f22 9v • low battery: lcd displays the symbol, • size: 186 mm×91mm×39mm • weight: around 305g (including batteries) • electromagnetic compatibility: rf = 1v / m overall • accuracy-specified accuracy+5% of range; rf 1v / m no • specified calculation. • ce certification • data hold to freeze displayed data • relative measurement • complies with iec60101-1, pollution degree 2, over-voltage • (cat ii 1000v) and double insulation safety standards transistor • test and diode test • built-in non-contact type voltage detector , analog ammeter specifications • edm type analog dc ammeter mr 100 model • scale dimension 100mm • desktop panel enclosure • bituminous 15 terminated outputs • range: (0-30) ma, (0-100) ma, (0-200) ?a , analog dc voltmeter specifications • edm type analog dc voltmeter mr 100 model • scale dimension 100mm • desktop panel enclosure • bituminous 15 terminated outputs • range: (0-30) v