韩国万用表 Protek 506|拆机乐园

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韩国万用表 Protek 506

Protek 506
功能比较多，性能却很差，用一用就误差奇大。
有人懂怎么调一下吗？

黑孔装错了。

万用表 Protek 506 功能和性能如下

3-3/4 Digit,4K count, Dual Disp.,True RMS,RS232C

Features

Dual display for frequency,AC voltage and Temperature measurements
10 MHz frequency counter and decibel measurement.
True RMS AC voltage and current readings
RS-232 interface and software for downloading measurements to a
PC(model 506 only)
10 memory locations and analog bar graph
Time and Stop watch mode with Alarm
Min., Max., Avg and Relative mode
Capacitance and Inductance measurement
Temperature measurement in Centigrade and Fahrenheit
Frequency generator, logic probe function and back light
Auto power off and "keep on" modes

Specifications

Volts DC
Ranges (5)	400mV to 1000V
Best Resolution	0.1mV
Accuracy	±(0.5% Rdg + 2D)
Volts AC
Ranges (5)	400mV to 750V
Best Resolution	0.1mV
Accuracy	±(1.5% Rdg + 5D)
DC Current
Ranges	400μA, 400mA, 20A
Best Resolution	0.1μA
Accuracy	±(1% Rdg + 2D)
AC Current
Ranges	400μA, 400mA, 20A
Best Resolution	0.1μA
Accuracy	±(1.5% Rdg + 2D), 50Hz to 100Hz
Resistance
Ranges (6)	400W to 40MW
Best Resolution	0.1W
Accuracy	±(0.5% Rdg + 2D)
Decibel
Ranges (4)	-31.6 to + 59.71dB
Best Accuracy	μ0.5dB
Continuity
Buzzer	Sound at < 100W .
Display Will Read	Shrt when R < 100W Open when R > 100W
Diode
Display Will Read	Shrt when V < 0.5V Good when V = 0.5V to 1V Open when V > 1V
Frequency
Ranges (4)	10kHz to 10MHz
Best Resolution	1Hz
Accuracy	±(0.01% Rdg x 1D)
Sensitivity	1.5V RMS
Temperature
Range	-17 to 1200°C (0 to 2000°F)
Resolution	1°C and 1°F
Accuracy	±(3% Rdg + 3D)
Logic Probe
TLL Level Display Will Read	Lo when V is < 0.8V Hi when V is > 2.0V W when V is 0.8V to 2.0V
Capacitance
Range	0 to 100°F
Resolution	0.01°F
Accuracy	±(3% Rdg + 5D)
Inductance
Range	0 to 100H
Resolution	0.01H
Miscellaneous
Signal Out	2048Hz, 4096Hz, 8192Hz Square wave
Timer Range	1 second to 10 hours
RS-232 Interface	1200bps, 9 Pin Connector
General Specifications
Size	8.0" H x 3.6" W x 1.5" D
Weight	1 lb.
Power	9V battery
Supplied Accessories	Manual, Test leads, Holster, Temp adapter, "K" type temp probe, RS-232 cable and Software

[size=; font-size: 1.5em,1.5em]Protek 506 Product Specifications Summary:
(for full specs please see the full specs tab or the data sheet)

Multimeters Template
Type	Digital
Style	Hand-Held
True RMS What's This?	Yes
Maximum Voltage AC	750 V
Resolution AC Volts	0.1 mV
Maximum Voltage DC	1000 V
Resolution DC Volts	0.1 mV
Maximum Current AC What's This?	20 A
Resolution AC Current	0.1 uA (0.00010 mA)
Maximum Current DC	20 A
Resolution DC Current	0.1 uA (0.00010 mA)
Basic Accuracy V DC	± 0.5% Rdg + 2D
# Digit Display What's This?	3.75
Counts What's This?	4000 .
Backlight	Yes
Manual/Autoranging What's This?	Manual
Resistance	Yes
Frequency	Yes
Continuity What's This?	Yes
Capacitance	Yes
Temperature	Yes
Peak Hold	No
Intrinsically Safe What's This?	No
Wireless Display	No
Data Hold What's This?	No
Low-Pass Filter What's This?	No