Fluke 789 - Manual (Page 52)

789
Users Manual
44
Diode Test and Continuity Test
Diode test indication ........................................... Displays voltage drop across device, 2.0 V full scale. Nominal test current 0.2 mA at
0.6 V. Accuracy ±(2 % + 1 count).
Continuity test indication ..................................... Continuous audible tone for test resistance <100 Ω
Open circuit voltage ............................................ 2.9 V
Short circuit current ............................................. 220
μ A typical
Overload protection ............................................. 1000 V rms
Loop Power Supply Voltage ................................. 24 V, Short Circuit protected
DC Current Output
Source mode:
Span .............................................................. 0 mA or 4 mA to 20 mA, with overrange to 24 mA
Accuracy ....................................................... 0.05 % of span
[1]
Compliance voltage ...................................... 28 V with battery voltage >~4.5 V
[1] In an RF field of 3 V/m, add 0.32 % of span
Simulate Mode
Span .............................................................. 0 mA or 4 mA to 20 mA, with overrange to 24 mA
Accuracy ....................................................... 0.05 % of span
1
Loop voltage ................................................. 24 V nominal, 48 V maximum, 15 V minimum
Compliance voltage ...................................... 21 V for 24 V supply
Burden voltage .............................................. <3 V