Fluke 287 and 289 Multimeter Users Manual
Page 13
...working in hazardous areas. • Comply with local and national safety requirements when working in circuits that could be damaged by this mode's low impedance (≈3 kΩ). (Model 289 only) Hazardous Voltage To alert you to the presence of a potentially hazardous voltage, when the Meter detects ...a voltage ≥30 V or a voltage overload (OL), the Ysymbol is applied to the Meter's input jacks. • Before measuring current, check the Meter's fuses. (See "Testing the Fuses" in the Users Manual on the accompanying CD.) •...
...working in hazardous areas. • Comply with local and national safety requirements when working in circuits that could be damaged by this mode's low impedance (≈3 kΩ). (Model 289 only) Hazardous Voltage To alert you to the presence of a potentially hazardous voltage, when the Meter detects ...a voltage ≥30 V or a voltage overload (OL), the Ysymbol is applied to the Meter's input jacks. • Before measuring current, check the Meter's fuses. (See "Testing the Fuses" in the Users Manual on the accompanying CD.) •...
Fluke 287 and 289 Multimeter Users Manual
Page 20
...est03.emf 10 Table 4. The model 289 offers two additional functions: low ohms (Y) and low impedance (LoZ) ac volts. Rotary Switch Positions Switch Position Function L AC voltage measurement using a low input impedance (model 289 only) V AC voltage measurements T AC millivolt measurements U DC and ac+dc voltage...and ac+dc microampere measurements up to one function do not carry over into another function. Button choices made in Table 4. 287/289 Users Manual Understanding the Rotary Switch Select a primary measurement function by positioning the rotary switch to 5,000 μA ...
...est03.emf 10 Table 4. The model 289 offers two additional functions: low ohms (Y) and low impedance (LoZ) ac volts. Rotary Switch Positions Switch Position Function L AC voltage measurement using a low input impedance (model 289 only) V AC voltage measurements T AC millivolt measurements U DC and ac+dc voltage...and ac+dc microampere measurements up to one function do not carry over into another function. Button choices made in Table 4. 287/289 Users Manual Understanding the Rotary Switch Select a primary measurement function by positioning the rotary switch to 5,000 μA ...
Fluke 287 and 289 Multimeter Users Manual
Page 87
True-rms Digital Multimeters Detailed Specifications Input Characteristics Function L Overload Protection [1] Input Impedance Common Mode Rejection Ratio (1 kΩ unbalance) 1000 V 10 MΩ 120 dB at dc, 50 Hz or 60 Hz mF V 1000 V [2] 10 MΩ 120 dB at ...
True-rms Digital Multimeters Detailed Specifications Input Characteristics Function L Overload Protection [1] Input Impedance Common Mode Rejection Ratio (1 kΩ unbalance) 1000 V 10 MΩ 120 dB at dc, 50 Hz or 60 Hz mF V 1000 V [2] 10 MΩ 120 dB at ...