HP U1241A

Agilent
U1241A/U1242A Handheld Digital Multimeter
Data Sheet
Key Features
Introduction
Check more, fix more
The Agilent U1240A Series handheld digital multimeters enable you to check
more with wide measurement ranges. They feature true RMS readings on its
10,000 counts display. The adjustable backlighting allows you to complete your
jobs even in subdued lighting conditions, at the same time prolonging the battery life. Your maintenance tasks are greatly simplified with its built-in switch
counter, harmonic ratio, dual temperature and differential temperature capabilities, with just a press of the button. The meters have high safety rating with
CAT III 1000 V protection and certified to CE, CSA and UL standards. Better yet,
the U1240A Series comes with certificate of calibration and test report – at no
extra cost.
• 10,000 count display
• 0.09% basic DCV accuracy
• True RMS AC measurement
• Basic functions — ACV, DCV, ACI,
DCI, resistance, frequency, diode,
continuity test
• Advanced functions —
Capacitance, temperature,
MINMAX recording
Ease of use
• Adjustable backlighting
— 2 intensity levels
• Manual data logging (U1242A only)
• Built-in switch counter, harmonic
ratio (U1242A only), dual/differential
temperatures capabilities (U1242A
only)
Functions and ranges at a glance
Ambient Temperature
Capacitance: 0.1 nF to 10 mF
Built to last
• Overmold body casing
• CAT III 1000 V safety protection
• Certified to CE, UL, CSA standard
• Operating temperature: –10 oC to
55 °C
MINMAX Recording
ACμA: 0.1 μA to 10 mA
Resistance: 0.1 Ω to 100 MΩ
Frequency : 0.01 Hz to 100 kHz
Manual Data Logging (U1242A only)
Backlight: 2 intensity levels
ACmA: 0.01 mA to 1000 mA
Diode Test
Switch Counter
DCV/ACV: 0.1 mV to 1000 V
Harmonic Ratio (U1242A only)
T1–T2 Differential
Temperature (U1242A only)
2
ACA: 0.01 A to 10 A
Temperature: –40 oC to 1000 oC
DC SPECIFICATIONS
FUNCTION
VOLTAGE[1]
CURRENT
RANGE
RESOLUTION
TEST CURRENT/
BURDEN VOLTAGE
1000.0 mV
0.1 mV
–
10.000 V
0.001 V
–
100.00 V
0.01 V
–
1000.0 V
0.1 V
–
0.15% + 5
1000.0 µA
0.1 µA
< 0.06 V (50 W)
0.1% + 3
10000 µA
1 µA
< 0.55 V (50 W)
0.1% + 3
100.00 mA
0.01 mA
< 0.18 V (0.5 W)
0.2% + 3
DIODE TEST
U1242A
0.09% + 5
0.09% + 2
440.0 mA
0.1 mA
< 0.8 V (0.5 W)
0.5% + 3
0.001 A
< 0.4 V (0.01 W)
0.6% + 5
1000.0 W
0.1 W
0.5 mA
0.3% + 3
0.001 kW
50 µA
[5]
10.000 kW[5]
[7]
U1241A
10.000 A[3]
[2]
RESISTANCE[4]
ACCURACY ± (% of reading + No. of Least Significant Digit)
100.00 kW
0.01 kW
4.91 µA
1000.0 kW
0.1 kW
447 nA
10.000 MW
0.001 MW
112 nA
0.8% + 3
100.00 MW[6]
0.01 MW
112 nA
1.5% + 3
1V
0.001 V
approximately 0.5 mA
0.3% + 2
RANGE
RESOLUTION
TEST CURRENT/
BURDEN VOLTAGE
1000.0 mV
0.1 mV
–
AC SPECIFICATIONS
FUNCTION
[8]
AC VOLTAGE
TRUE RMS
AC Current[9]
TRUE RMS
10.000 V
0.001 V
–
100.00 V
0.01 V
–
1000.0 V
0.1 V
–
ACCURACY ± (% of reading + No. of Least Significant Digit)
40 Hz to 500 Hz
500 Hz to 1 kHz
1 kHz to 2 kHz
2% + 5
–
1% + 5
1% + 5
2% + 5
–
1000.0 µA
0.1 µA
< 0.06 V (50 W)
10000 µA
1 µA
< 0.55 V (50 W)
100.00 mA
0.01 mA
< 0.18 V (0.5 W)
440.0 mA[10]
0.1 mA
< 0.8 V (0.5 W)
10.000 A[11]
0.001 A
< 0.4 V (0.01 W)
1% + 5
1.5% + 5
–
[1] Input impedance: 10 MW (nominal).
[2] Current can be measured up to 440 mA continuously. An additional 0.2% needs to be added to the specified accuracy if the signal measured is in the range of
440 mA to 1100 mA for 30 seconds maximum. After measuring current of > 440 mA, leave the meter to cool down for twice the measuring time used before
application of low current measurement.
[3] Current can be measured up to 10 A continuously with the maximum operating temperature of 50 °C. An additional 0.3% needs to be added to the specified accuracy
if the signal measured is in the range of 10 A to 19.999 A for 15 seconds maximum. After measuring a current of > 10 A, leave the meter to cool down for 60 seconds
before applying low current measurement.
[4] The maximum open voltage is < 2.8 V. For instant continuity, the built-in buzzer sounds when resistance is < 10.0 W.
[5] The accuracy of 1 kW and 10 kW is specified after Null function, which is used to substrate the test lead resistance and the thermal effect.
[6] For the range of 100 MW, the R.H. is specified for < 60%. The temperature coefficient will be 0.15 times of specified accuracy as > 50 MW.
[7] Overload protection: 1000 V RMS for circuits < 0.3 A short circuit current. The built-in buzzer sounds when reading is approximately below 50 mV and audible single
tone for normal forward biased diode or semiconductor junction as 0.3 V ≤ Reading ≤ 0.8 V.
[8] Input impedance: 10 MW (nominal) in parallel with <100 pF, with overload protection of 1000 V RMS
[9] Crest factor ≤ 3. For non-sinusoidal waveforms with crest factor up to 3, add 2% reading + 2% full scale typical.
[10] Current can be measured from 50 mA to 440 mA continuously. An additional 0.2% needs to be added to the specified accuracy if the signal measured is in the range of
440 mA to 1100 mA for 30 seconds maximum. After measuring current of > 440 mA, leave the meter to cool down for twice the measuring time used before
application of low current measurement.
[11] Current can be measured from 0.5 A up to 10 A continuously with the maximum operating temperature of 50 °C. An additional 0.3% needs to be added to the
specified accuracy if the signal measured is in the range of 10 A to 19.999 A for 15 seconds maximum. After measuring a current of >10 A, leave the meter to cool
down for 60 seconds before applying low current measurement.
3
TEMPERATURE SPECIFICATIONS
THERMOCOUPLE TYPE
RANGE
RESOLUTION
ACCURACY ± (% of reading + offset error)
K (for U1241A and
U1242A)
–40 to 1000 ºC/
–48 to 1832 ºF
0.1 ºC/
0.1 ºF
1% + 1 ºC/
1% + 1.8 ºF
J (for U1242A only)
–40 to 1000 ºC/
–48 to 1832 ºF
0.1 ºC/
0.1 ºF
1% + 1 ºC/
1% + 1.8 ºF
CAPACITANCE SPECIFICATIONS
RANGE
RESOLUTION
1000.0 nF
0.1 nF
10.000 µF
0.001 µF
100.00 µF
0.01 µF
1000.0 µF
0.1 µF
10.000 mF
0.001 mF
ACCURACY ± (% of reading + No. of Least Significant Digit)
1.2% + 4
2% + 4
HARMONIC RATIO SPECIFICATIONS
RANGE
FREQUENCY
VOLTAGE
0.0% to 99.9%
40 Hz to 500 Hz
100 mVAC to 1000 VAC
FREQUENCY SPECIFICATIONS
RANGE
RESOLUTION
100.00 Hz
0.01 Hz
1000.0 Hz
ACCURACY
MINIMUM INPUT FREQUENCY
0.03%+3
1 Hz
0.1 Hz
10.000 kHz
0.001 kHz
100.00 kHz
0.01 kHz
1000.00 kHz
0.1 kHz
FREQUENCY SENSITIVITY DURING VOLTAGE MEASUREMENT
INPUT RANGE
OPERATING MEASURING RATE
MINIMUM SENSITIVITY (RMS Sine-Wave)
(Maximum input for specified
accuracy = 10 x Range or 1000 V)
20 Hz - 50 kHz
50 kHz to 200 kHz
1000.0 mV
0.3 V
0.6 V
10.000 V
0.5 V
1.8 V
100.00 V
5V
10 V (<100 kHz)
1000.0 V
50 V
100 V (<100 kHz)
FREQUENCY SENSITIVITY DURING CURRENT MEASUREMENT
INPUT RANGE
MINIMUM SENSITIVITY (RMS Sine wave)
20 Hz to 20 kHz
1000.0 µA
100 µA
10000 µA
500 µA
100.00 mA
10 mA
440.00 mA
50 mA
10.000 A
1A
4
Function
Times/second
ACV
7
DCV (V or mV)
7
W
14
Diode
14
Capacitance
4 (< 100 µF)
DCA (μA, mA, A)
7
ACA (μA, mA, A)
7
Temperature
7 (single)
Frequency
1 (> 10 Hz)
Accessories included:
GENERAL SPECIFICATIONS
Power Supply
4 single standard 1.5 V AAA batteries (Alkaline or Zinc Chloride type)
DISPLAY
Dual display (secondary display is cater for temperature function display only) are 4-digit liquid
crystal display (LCD) with maximum reading of 11,000 counts. Automatic polarity indication.
POWER CONSUMPTION
•
•
•
•
•
Four 1.5 V AAA alkaline batteries
Certificate of Calibration (CoC)
Test leads
Quick Start Guide
Product Reference CD
Optional Accessories (sold
separately):
0.22 VA maximum
OPERATING ENVIRONMENT
Full accuracy at –10 oC to 55 oC
Full accuracy to 80% RH for temperature up to 30 oC, decreasing linearly to 50% RH at 55 oC
STORAGE COMPLIANCE
–20 oC to 70 oC
•
•
•
•
ALTITUDE
0 – 2000 meters per IEC 61010-1 2nd Edition CAT III, 1000 V
SAFETY COMPLIANCE
•
• IEC 61010-1:2001 / EN61010-1:2001
• USA: UL 61010-1:2004
• Canada: CSA C22.2 No. 61010-1:2004
MEASUREMENT CATEGORY
•
CAT III 1000 V Overvoltage Protection, Pollution Degree 2
EMC COMPLIANCE
• Certified to IEC 61326:2002/EN 61326: 2003
• CISPR 11:1990/EN55011:1990
• Canada: ICES-001:2004
• Australia/New Zealand: AS/NZS CISPR11:2004
•
COMMON MODE REJECTION RATIO (CMRR)
•
> 90 dB at DC, 50/60 Hz ±0.1% (1kΩ unbalanced)
NORMAL MODE REJECTION RATIO (NMRR)
•
> 60 dB at 50/60 Hz ±0.1%
CREST FACTOR
•
< 3.0
TEMPERATURE COEFFICIENT
0.1 × (specified accuracy) / °C (from –10 °C to 18 °C or 28 °C to 55 °C)
U1162A Alligator clips
U1163A SMT grabbers
U1164A Fine tip test probe
U1181A Immersion probe
(measures food, oil, and other
liquids temperature within the
range of -50 °C to 700 °C)
U1182A Industrial surface probe
(measures still surface
temperature within the range of
-50 °C and 400 °C)
U1183A Air probe (measures
dryer, transport pipe and
surrounding air temperature
within the range of -50 °C to
800 °C)
U1184A Temperature probe
adapter
U1185A Thermocouple (J-type)
probe and adapter
U1186A Thermocouple (K-type)
probe and adapter
U1583A AC current clamp (extend
current measurement range up to
400 A)
DIMENSION
SHOCK and VIBRATION
Tested to IEC/EN 60068-2
DIMENSION (HxWxD)
193.8 mm x 92.2 mm x 58.0 mm
WEIGHT
450 g with batteries
400 g without batteries
WARRANTY
193.8
3 years
92
5
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Revised: 11/08/06
Product specifications and descriptions
in this document subject to change
without notice.
© Agilent Technologies, Inc. 2007
Printed in USA, September 1, 2007
5989-7040EN