Select a primary measurement function by positioning the rotary
switch to one of the icons around its perimeter. For each
function, the Meter presents a standard display for that function
(range, measurement units, and modifiers). Button choices made
in one function do not carry over into another function. The
model 289 offers two additional functions: low ohms (Y)and
low impedance (LoZ) ac volts. Each position shown in Figure 3 is
described in Table 4.
est03.emf
Figure 3. Rotary Switch
Table 4. Rotary Switch Positions
Switch
Position Function
LAC voltage measurement using a low input
impedance (model 289 only)
VAC voltage measurements
TAC millivolt measurements
UDC and ac+dc voltage measurements
NDC millivolts, ac+dc millivolt, and
temperature measurements
SResistance, continuity, and conductance
measurements
PDiode test and capacitance measurements
AAC, dc and ac+dc amps and milliamps
measurements
XAC, dc and ac+dc microampere
measurements up to 5,000 μA
YResistance measurements with 50e range
(model 289 only)
287/289
Users Manual
72
Resistance Specifications
Function Range Resolution Accuracy
50 Ω[1][3] 0.001 Ω0.15 % + 20
500 Ω[1] 0.01 Ω0.05 % + 10
5 kΩ[1] 0.0001 kΩ0.05 % + 2
50 kΩ[1] 0.001 kΩ0.05 % + 2
500 kΩ 0.01 kΩ0.05 % + 2
5 MΩ 0.0001 MΩ0.15 % + 4
30 MΩ 0.001 MΩ1.5 % + 4
50 MΩ 0.01 MΩ1.5 % + 4
50 MΩ up to 100 MΩ 0.1 MΩ3.0 % + 2
Resistance
100 MΩ up to 500 MΩ 0.1 MΩ8 % + 2
Conductance 50 nS
[2]0.01 nS 1 % + 10
[1] When using the relative mode (REL Q) to compensate for offsets.
[2] Add 20 counts above 33 nS in 50 nS range.
[3] 289 only.
Temperature Specifications
Temperature Resolution Accuracy
[1,2]
-200 °C to +1350 °C 0.1 °C 1 % + 10
-328 °F to +2462 °F 0.1 °F 1 % + 18
[1] Does not include error of the thermocouple probe.
[2] Accuracy specification assumes ambient temperature stable to ±1 °C. For ambient temperature changes of ±5 °C, rated accuracy applies after 2 hours.
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