Amprobe LCR55A Specifications
Data Sheet
LCR55A
Handheld Component Tester
The ultimate component checker measures inductance, ■
capacitance, resistance, transistors, diodes and microwave diodes
Plug-in test slots and test leads with threaded alligator clips
■
Oversized, digital display ■
Data Hold and Max Hold ■
“Zero Adjust” Pot for Ohms ■
Low Battery Indication ■
Auto-Power Off ■
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General Specifications
Display 3-1⁄ 2 digit LCD, max reading of 1999
Display Update Rate 2.5 /sec, nominal
Power Standard 9 V transistor battery
Battery Life Alkaline 200 hours
Operating Temperature 0 °C to + 50 °C (32 °F to 122 °F), < 70 % R.H.
Storage Temperature -20 °C to +60 °C (-4 °F to 140 °F), < 80 % R.H. battery removed
Dimensions (WxLxH) 183 x 79 x 38 mm (7.2 in x 3.1 in x 1.5 in)
Weight (incl. batteries) 311 g (11 oz.)
Warranty One year
Included Accessories
TL36A Test Leads, spare fuse, battery,
(1) pair alligator clips, and users manual.
Optional Accessories
VC221B Vinyl Case
DL243D Basic Test Lead Kit
DL248D Deluxe Test Lead Kit
TL245A Test Lead Set
Amprobe® Test Tools
www.Amprobe.com
LCR55A Handheld Component Tester
Specifications (23 °C ± 5 °C, < 75 % R.H. non-condensing)
Function Range Accuracy
Resistance 20 W ± 1.2 % rdg (zero adjust)
200 W ± (0.5 % rdg + 3 dgts)
2 k W to 2 M W ± (0.5 % rdg + 1 dgt)
20 M W ± (2.0 % rdg + 2 dgts)
Resolution 10 m W in 20 W range
Open Circuit Voltage 20 W range: 6.5 V dc
200 W range: 3.0 V dc
All other ranges: 1.2 V dc
Continuity
Audible Indication 2 k W range: Tone at R < 30 W
Response Time 800 ms approx.
Diode Test
Test Current 1 mA (approximately)
Test Voltage 3.0 V DC ± (1.5 % rdg + 1 dgt)
Display Forward junction voltage
Microwave Diode Test
Test Current 0.6 mA approximately
Test Voltage 7.0 V DC typical ± (3.0 % rdg + 1 dgt)
Display Forward junction voltage
Capacitance 200 pF to 200 nF ± (1.0 % rdg + 1 dgt)
2 μF to 200 μF ± (2.0 % rdg + 1 dgt)
200 μF < 1000 μF ± (3.0 % rdg + 3 dgts)
1000 μF > 2000 μF ± (5.0 % rdg + 5 dgts)
Note: In lower ranges, subtract 6 points residual offset reading from result
Test Frequency 200 pF to 2 μF: 1000 Hz
20 μF to 200 μF: 100 Hz
2000 μF: 10 Hz
Temperature Coefficient < 0.5 μF: 0.1%/°C
> 0.5 μF: 0.2%/°C
Inductance 200 μH ± (5.0 % rdg + 30 dgts)*
2 to 200 mH ± (3.0 % rdg + 20 dgts)*
2 mH to 200 H ± (5.0 % rdg + 20 dgts)*
Test Frequency 200 μH to 2 H ranges: 1000 Hz
20 H to 200 H ranges: 100 Hz
Temperature Coefficient < 0.5 H: 0.2%/°C
> 0.5 H: 0.5%/°C
Transistor Test
hFE Range 0 to 1000
hFE Base Current 3 μA approximately
hFE Voltage C - E 3.0 V DC approximately
Iceo Range, Leakage Current 10 nA to 20 μA
Overload Protection
Resistance 350 V DC or AC RMS
Capacitance 0.1 A/250 V fast acting fuse
Continuity 350 V DC or AC RMS
Diode Test 350 V DC or AC RMS
Micro Wave Diode Test 350 V DC or AC RMS
Inductance 0.1 A/250 V fast blow fuse
Data Sheet
*For values of Q ≤ 7
Amprobe® Test Tools
website: www.Amprobe.com
email: info@amprobe.com
Everett, WA 98203
Tel: 877-AMPROBE
Amprobe® Test Tools
Amprobe® Test Tools Europe
In den Engematten 14
79286 Glottertal, Germany
Tel.: +49 (0) 7684 8009 - 0
©2007 Am probe Test Tools. All rights res erved.
7/2007 PN: 1646 419 D-EN-N Rev C
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