Fluke 187 Extended Specifications

Page 3 of 3, Document #2153
187/189 Extended Specifications
©2000 Fluke Corporation
Rev. A-8/00
Safety Information
Function Description
Safety 1000 V, AC/DC, maximum voltage between any
terminal and earth ground.
Complies with ANSI/ISA-S82.01-94, CSA C22.2
No 1010.1-92 to 1000 V Overvoltage Category III
and to 600V Overvoltage Category IV.
Certification agencies (approvals/listings pending):
UL per standard UL 3111 (pending)
CSA per standard CSA/CAN C22.2 No. 1010.1-92
TÜV per standard EN 61010 Part 1-1993 (pending)
Surge Protection 8 kV peak per IEC 1010.1-92
Fuse Protection 440 mA, 1000 V FAST Fuse, 11A, 1000V FAST Fuse
Markings UL, CSA, TUV, CE (VDE pending)
Input Impedance
Function Input Impedance (Nominal)
Volts, mV 10 MΩ, < 100 pF
Common Mode Rejection Ratio Normal Mode Rejection
DC Volts, mV >100 dB at dc, 50 Hz or 60 Hz ±0.1% >90 dB at 50 Hz or 60 Hz ±0.1%
AC Volts, mV > 90 dB dc to 60 Hz
Open Circuit Test Voltage
Full-Scale Voltage
To 5 MΩ 30 to 500 MΩ + nS
Ohms < 5V 500 mV 3.1V
Diode Test < 5V 3.1000V
Typical Short-Circuit Current
500Ω 5 kΩ 50 kΩ 500 kΩ 5 MΩ 30 MΩ
Ohms 1 µA 100 µA10 µA1 µA0.1 µA0.1 µA
Diode Test 1.0 mA typical
General Specifications
Function Description
Display Digital: 50000/5000 counts primary, 5000 counts secondary,
updates 4/second.
Analog: 51 segments, updates 40/second.
Operating Temperature -20°C to +55°C
Storage Temperature -40°C to +60°C
Temperature Coefficient 0.05 x (specified accuracy)/°C (<18°C or >28°C)
Relative Humidity 0% to 90% (0°C to 55°C)
0% to 70% (35°C to 55°C)
Altitude Operating: 2000 meters
Storage: 10000 meters
Battery Type 4 AA Alkaline, NEDA 15A or LR6
Battery Life 72 Hours typical (with backlight off)
Shock Vibration Per MIL-T-PRF 28800 for Class II instruments
EMC Susceptibility and Emissions: Commercial Limits per EN61326-1
Size 10.0 cm X 20.3 cm X 5.0 cm (3.94" X 8.00" X 1.97")
(Not Including Accessory Mount)
Weight 545 grams (1.2 lbs.)
Case Sealing IP-42 per IEC 529, Section 3
Warranty Lifetime
Calibration Interval 1 year
Fluke. Keeping your world up and running.
Above specifications are subject to change without notice.

Fluke 187 Specifications

General

Frequency Range	0.5 Hz to 1 MHz
Safety Rating	CAT III 1000V, CAT IV 600V
AC Voltage Range	0.1 mV to 1000 V
AC Current Range	0.1 µA to 10 A
DC Voltage Accuracy	±(0.025% + 2)
AC Voltage Accuracy	0.4% + 40 digits (True RMS)
Resistance Accuracy	±(0.05% + 2)
Temperature Range	-200°C to 1350°C
Operating Temperature	-20 °C to +55 °C
Battery Type	9V (NEDA 1604)