Fluke Welder 187 ユーザーズマニュアル
![Fluke](https://files.manualsbrain.com/attachments/9d57315a76f85bd9af23da46bf7ecaf7f248b87d/common/fit/150/50/7671c6748e9e70e4c5afb082a772388950496a1161e6cfdedf4b942e284b/brand_logo.png)
Specifications
Feature Summary
7
7-3
Feature Summary
Feature
Description
Dual Digital Displays
Analog Bar Graph
Primary: 50,000
counts
Secondary: 5,000 count
Bar graph:
Bar graph:
51 segments, updates 40 times/second
Backlight with 2 brightness levels
Bright white backlight for clear readings in poorly lighted areas
Fast Autorange
Meter automatically selects best range - instantly
AC+DC true rms, ac rms specified to 100 kHz
Choices for AC only, AC and DC dual display, or AC+DC readings
dBm, dBV
User selectable impedance references for dBm
AutoHOLD
Holds readings on display
Continuity / Open test
Beeper sounds for resistance readings below threshold, or to
indicate a momentary open circuit
indicate a momentary open circuit
Fast Bar Graph
51 segments for peaking and nulling
Duty cycle / Pulse width
Measure signal on or off time in % or milliseconds
MIN MAX Mode
FAST MN MX with 24-hour time stamp
Record maximum, minimum, and average values.
24-hour clock for MAX or MIN, elapsed time for AVG.
24-hour clock for MAX or MIN, elapsed time for AVG.
FAST MN MX captures peaks to 250
µ
sec.
Closed-Case Calibration
No internal adjustments needed
Battery / Fuse Access Door
Battery or fuse replaceable without voiding calibration
Hi-Impact Overmolded Case
Protective holster features