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Amprobe® Test Tools
Data Sheet
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33XR-A
33XR-A
Digital Multimeter
Frequency to 40 MHz,
temperature to 1832 °F,
capacitance to 4000 μF
Input warning tone when test
leads are in wrong jack
1000 V/750 V DC/AC
10 Amps AC/DC, fully safety
fused
Resistance to 4 M
W
Continuity beeper
Min/Max, Relative, Peak and
Data Hold
Auto power off to save battery
life
Separate door for easy battery
and fuse access
Magne-Grip™ Holster with
magnetic hanging strap
One-year warranty
Manual ranging digital multimeter with temperature and
capacitance for field service technicians.
1000V
600V
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Data Sheet
Function Range Accuracy
Specifications (23 °C ± 5 °C, <75 % R.H. non-condensing)
General Specifications
33XR-A Digital Multimeter
DC Voltage
Ranges 400 mV, 4 V, 40 V, 400 V, 1000 V ± (0.7 % rdg + 1 dgt)
Resolution 100 μV
Input Impedance 10 MW
AC Voltage (45 Hz to 500 Hz)
Ranges 400 mV, 4 V, 40 V, 400 V, 750 V
Accuracy 4 V Range: 200 Hz to 500 Hz ± (2.0 % rdg + 4 dgts)
All other ranges ± (1.5 % rdg + 4 dgts)
Resolution 100 μV
Input Impedance 10 MW
DC Current
Ranges 400 μA, 4 mA, 40 mA, 300 mA, 10 A
Accuracy 400 μA to 300 mA ranges ± (1.0 % rdg + 1 dgt)
10 A range ± (2.0 % rdg + 3 dgts)
Resolution 0.1 μA
Voltage Burden 400 μA range: 1 mV/μA
4 mA range: 100 mV/1 mA
40 mA range: 12 mV/1 mA
300 mA range: 4 mV/1 mA
10 A range: 100 mV/1 A
AC Current (45 Hz to 500 Hz)
Ranges 400 μA, 4 mA, 40 mA, 300 mA, 10 A
Accuracy 400 μA to 300 mA ranges ± (1.5 % rdg + 4 dgts)
10 A range ± (2.5 % rdg + 4 dgts)
Resolution 0.1 μA
Voltage Burden See DC Current
Resistance
Ranges 400 W, 40 kW, 4 MW
Accuracy 400 W and 40 kW ranges ± (1.0 % rdg + 4 dgts)
4 MW range ± (1.2 % rdg + 4 dgts)
Resolution 100 mW
Open Circuit Voltage 400 W range: 3.0 V DC
All other ranges: 0.5 V DC typical
Manual Ranging
Display: 3-3/4 digit LCD, 3999 counts with 41-segment analog bar graph
Display Update Rate: 2/sec, nominal
Power Battery: 9 V NEDA 1604, JIS 006P, IEC 6F22
Battery Life: 300 hrs typical (alkaline)
Operating Temperature: 0 °C to 45 °C at < 70 % R.H.
Storage Temperature: -20 °C to 60 °C, 0 to 80 % R.H. with battery removed from meter
Dimensions: 196 x 92 x 60 mm (7.7” x 3.5” x 2.3” )
Weight: 400 gr (0.9 lb) without holster, including battery
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Data Sheet
33XR-A Digital Multimeter
Function Range Accuracy
Specifications (23 °C ± 5 °C, <75 % R.H. non-condensing), cont.
Capacitance
Ranges 4 μF, 40 μF, 400 μF, 4000 μF
Accuracy 4 μF range ± (5.0 % rdg + 10 dgts)
40 μF, 400 μF ranges ± (5.0 % rdg + 5 dgts)
4000 μF range ± (5.0 % rdg + 15 dgts)
Resolution 0.1 μF
Test Voltage < 3.0 V
Test Frequency 10 Hz
Input Protection μA/mA input: 0.315 A/1000 V fast blow ceramic fuse 6.3 x 32 mm
Temperature
Ranges -20 °C to 1000 °C, -4 °F to 1832 °F
Accuracy -20 °C to 10 °C ± (2.0 % rdg + 4 °C )
10 °C to 200 °C ± (1.0 % rdg + 3 °C )
200 °C to 1000 °C ± (3.0 % rdg + 2 °C )
-4 °F to 50 °F ± (2.0 % rdg + 8 °F)
50 °F to 400 °F ± (1.0 % rdg + 6 °F)
400 °F to 1832 °F ± (3.0 % rdg + 4 °F)
Resolution 1 °C, 1 °F
Frequency (autoranging)
Ranges 4 kHz, 40 kHz, 400 kHz, 4 MHz, 40 MHz ± (0.1 % rdg + 3 dgts)
Resolution 1 Hz
Sensitivity 10 Hz to 4 MHz: > 1.5 V AC RMS
4 MHz to 40 MHz: > 2 V AC RMS, < 5 V AC RMS
Min Pulse Width > 25 ns
Duty Cycle Limits > 30 % and < 70 %
Continuity
Audible Indication < 35 W
Response Time 100 ms
Diode Test
Test Current 1.0 mA (approximate) ± (1.5 % rdg + 3 dgts)
Resolution 1 mV
Open Circuit Volts 3.0 V DC typical
Peak Hold
AC Volts Accuracy 40 V to 750 V ± (3.0 % rdg + 60 dgts)
AC Current Accuracy ± (3.0 % rdg + 60 dgts)
Response Time > 1 ms
Overload Protection
AC/DC Voltage 400 mV range: 1000 V DC or 750 V AC RMS 15 sec
All other ranges: 1000 V DC or 750 V AC RMS
AC/DC Current uA/mA input: 0.315 A /1000 V fast-blow ceramic (6.3 x 32 mm)
10 A input: 10 A /1000 V fast-blow ceramic (10 x 38 mm)
(10 A for 4 minutes maximum followed by a 12 minute cooling period)
Resistance 1000 V DC OR 750 V AC RMS
Continuity 1000 V DC OR 750 V AC RMS
Diode Test 1000 V DC OR 750 V AC RMS
Capacitance 0.315 A /1000 V fast-blow ceramic (6.3 x 32 mm)
Temperature 1000 V DC OR 750 V AC RMS
Frequency 1000 V DC OR 750 V AC RMS
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Amprobe® Test Tools
Data Sheet
Amprobe® Test Tools
website: www.Amprobe.com
email: info@amprobe.com
Everett, WA 98203
Tel: 877-AMPROBE
Amprobe® Test Tools Europe
In den Engematten 14
79286 Glottertal, Germany
Tel.: +49 (0) 7684 8009 - 0
Included Accessories
Test leads with threaded alligator clips (TL36A),
9 V battery (installed), Magne-Grip™ Holster with
magnetic hanging strap, temperature
adapter (TA-1), Type K thermocouple probe
(TP255A), spare fuse, users manual
Optional Accessories
VC221B Padded Vinyl Carry Case
DL248D Deluxe Test Lead Kit
DC205C Heavy Duty Case
HV231-10A High Voltage Probe
TP254A High Temperature Probe
©2007 Amprobe Test Tools. All rights reserved.
9/2007 3128703 Rev A
33XR-A Digital Multimeter