Fluke 187/189 Digital/Analog Multimeter
  • Extremely fast readings
  • 50,000 counts display
  • 0.025% basic DC accuracy
  • True RMS AC + DC measurements
  • 100 kHz AC bandwidth for voltage and current
  • Ergonomic high-impact overmolded case
  • Dual display with bargraph and two-level backlight
  • Min/max/average with real time clock and 250 µs Fast Min-Max
  • Frequency, capacitance, duty cycle & pulse width measurements
  • Resistance, conductance, continuity and diode measurements
  • Temperature and dBV/dBm with selectable reference
  • PC interface for data exchange and closed case calibration
  • Battery and fuse access without breaking calibration seal
  • EN 61010-1 (IEC 1010-1) CAT III 1000V /CAT IV 600V
  • Lifetime warranty
  • Internal memory allows stand-alone logging of up to 1000 measurements (189 only)
  • Readings memory for up to 100 readings (189 only)
 
 
Specifications
Voltage DC
Accuracy* ± (0.025%+5)
Max. Resolution 1 µV
Maximum 1000 V
Voltage AC
Accuracy* ± (0.4%+40)
Max. Resolution 1 µV
Maximum 1000 V
Current DC
Accuracy* ± (0.15%+2)
Max. Resolution 0.01 µA
Maximum 10 A
Current AC
Accuracy* ± (0.75%+5)
Max. Resolution 0.01 µA
Maximum 10 A
Resistance
Accuracy* ± (0.05%+2)
Max. Resolution 0.01 Ω
Maximum 500 MΩ
Capacitance
Accuracy* ± (1.0%+5)
Max. Resolution 1 pF
Maximum 50,000 µF
Frequency
Accuracy* ± (0.005%+1)
Max. Resolution 0.01 Hz
Maximum 1 MHz
Temperature
Accuracy* ± (1.0%+1°C)
Max. Resolution 0.1°C
Range -200°C to 1350°C
Conductance
Accuracy* ± (1%+10)
Max. Resolution 0.01 nS
Maximum 500 nS
dBm and dBV
Accuracy* ± 0.1 dB
Max. Resolution 0.01 dB
Range -52 to 60 dB
Note
* Accuracies are best accuracies for each function

Environmental Specifications
Operating Temperature
-20 °C to +55 °C
Storage Temperature
-40 °C to +60 °C
Humidity (Without Condensation)
0% to 90% (0 °C - 35 °C)
0% to 70% (35 °C - 55 °C)

Safety Specifications
Overvoltage category
EN 61010-1 to 1000 V CAT III.
EN 61010-1 to 600 V CAT IV.
Agency Approvals
CSA, UL, TÜV, VDE Pending

Mechanical & General Specifications
Size
203 x 100 x 50 mm
Weight
545 g
Warranty
Lifetime
Battery Life
Alkaline: ~72 hours typical, without backlight