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AC/DC POWER HiTESTER 3334-20, 3334-21
The AC/DC POWER HiTESTER 3334-20 and 3334-21 are special-purpose models whose current
measurement sensitivities are enhanced 10 times higher than those of the standard products, the 3334 and
3334-01. The each specification differs in the following points.
The maximum rated voltage between input terminals and ground is 300 V.
DANGER
1. Range configuration and effective measurement range ( ): Display range
Voltage, Current (other than 3-A range) : 1% to 100% of range (0.5% to 152% of range)
Current (3-Arange) : 0.0300 A to 4.0000 A (0.0150 A to 4.5600 A)
Active power (other than 3-A range) : 0% to 225% of range (0% to 231.04% of range)
Active power (3-A range) : 0% to 200% of range (0% to 231.04% of range)
Current
10-mA range
0.100 to 15.000 mA
(0.050 to 15.200 mA)
30-mA range
0.300 to 45.000 mA
(0.150 to 45.600 mA)
100-mA range
1.00 to 150.00 mA
(0.50 to 152.00 mA)
300-mA range
3.00 to 450.00 mA
(1.50 to 456.00 mA)
1-A range
0.0100 to 1.5000 A
(0.0050 to 1.5200 A)
3-A range
0.0300 to 4.0000 A
(0.0150 to 4.5600 A)
Note 1: The effective measurement range of active power is valid when voltage and current are within their effective
Note 2: Other measurement items depend on the effective measurement ranges of voltage, current and active power
Note 3: Values of voltage and current less than 0.5% of their ranges are suppressed (forced to display as zero)
Note 4: Numerical values in the displayed range are subject to a
2. Measurement accuracy (1 year only)
45Hz ≤ f ≤ 66Hz
66Hz < f ≤ 1kHz
1kHz < f ≤ 5kHz
Note 1: Add ± 5 µA for DC current measurement accuracy
Note 2: Add ( ± 5
Note 3: The effective measurement range of 3-A range is up to 4 A (133.33% of the range).
Note 4: When the 3-A range is set, the effective measurement range of active power is up to 200% of the range.
3. Display format of integration value
Format of current integration
Format of active power integration
Voltage range
4. Input resistance (50/60 Hz)
Current: 80 m Ω or less
Attempting to measure voltage exceeding 300 V with respect to ground could damage
the instrument and result in personal injury.
Voltage
15-V range
0.150 to 22.500 V
(0.075 to 22.800 V)
150-mW range
0.00 to 337.50 mW
(0.00 to 346.56 mW)
450-mW range
0.00 mW to 1.0125 W
(0.00 mW to 1.0397 W)
1.5-W range
0.0000 to 3.3750 W
(0.0000 to 3.4656 W)
4.5-W range
0.0000 to 10.125 W
(0.0000 to 10.397 W)
15-W range
0.000 to 33.750 W
(0.000 to 34.656 W)
45-W range
0.000 to 90.000 W
(0.000 to 103.97 W)
measurement ranges
Frequency (f)
DC Note 1,2
Input < 50%f.s.
± 0.1%rdg. ± 0.2%f.s. ± 0.1%rdg. ± 0.2%f.s. ± 0.3%rdg.
± 0.1%rdg. ± 0.1%f.s. ± 0.2%rdg. ± 0.2%rdg.
± 0.1%rdg. ± 0.2%f.s. ± 0.3%rdg. ± 0.3%rdg.
A)×(voltage reading) for DC active power measurement accuracy
± 3.0%f.s. ± 3.0%rdg. ± 3.0%rdg.
Current range 10 mA, 30 mA 100 mA, 300 mA 1 A, 3 A
Reset value 00.0000 mAh 000.000 mAh 0.00000 Ah
Current range
10 mA, 30 mA 100 mA, 300 mA 1 A, 3 A
15 V, 30 V 000.000 mWh 0.00000 Wh 00.0000 Wh
150 V, 300 V 0.00000 Wh 00.0000 Wh 000.000 Wh
30-V range
0.300 to 45.000 V
(0.150 to 45.600 V)
300-mW range
0.00 to 675.00 mW
(0.00 to 693.12 mW)
900-mW range
0.00 mW to 2.0250 W
(0.00 mW to 2.0794 W)
3-W range
0.0000 to 6.7500 W
(0.0000 to 6.9312 W)
9-W range
0.0000 to 20.250 W
(0.0000 to 20.794 W)
30-W range
0.000 to 67.500 W
(0.000 to 69.312 W)
90-W range
0.000 to 180.00 W
(0.000 to 207.94 W)
± 1 dgt. error due to calculation accuracy.
Voltage, Current, Active power
50%f.s.
150-V range
1.50 to 225.00 V
(0.75 to 228.00 V)
1.5-W range
0.0000 to 3.3750 W
(0.0000 to 3.4656 W)
4.5-W range
0.0000 to 10.125 W
(0.0000 to 10.397 W)
15-W range
0.000 to 33.750 W
(0.000 to 34.656 W)
45-W range
0.000 to 101.25 W
(0.000 to 103.97 W)
150-W range
0.00 to 337.50 W
(0.00 to 346.56 W)
450-W range
0.00 to 900.00 W
(0.00W to 1.0397 kW)
Input ≤100%f.s.
3.00 to 450.00 V
(1.50 to 456.00 V)
0.0000 to 6.7500 W
(0.0000 to 6.9312 W)
0.0000 to 20.250 W
(0.0000 to 20.794 W)
0.000 to 67.500 W
(0.000 to 69.312 W)
0.000 to 202.50 W
(0.000 to 207.94 W)
0.00 to 675.00 W
(0.00 to 693.12 W)
0.00 W to 1.8000 kW
(0.00 W to 2.0794 kW)
100%f.s. < Input Note 3,4
300-V range
3-W range
9-W range
30-W range
90-W range
300-W range
900-W range
3334E981-00 10-02H
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5. Maximum input voltage
450 V, ± 640 Vpeak, within the maximum rated voltage between input terminals and ground (300 V)
6. Maximum input current
4 A, ± 5.70 Apeak
7. Maximum effective peak voltage
± 300% of each voltage range, but the 300-V range has a peak of ± 640 V
8. Maximum effective peak current
± 300% of each current range, but the 3-A range has a peak of ± 5.70 A
9. Voltage measurement (Displays：V)
Display range ±0.5% to ± 152% of range (0.5% or less is processed as 0)
VT ratio enables indication of up to
Over-range indication “o.r” (over-range) is indicated for inputs that exceed
45.600 kV
152% of the input range
Over-range warning The PEAK OVER U LED lights when the input peak voltage value exceeds
or exceeds
Threshold voltage for 300-V range：
lamp lighting Other ranges：
300% of the input range.
640 V to ±653 V
300% to ±302% of range
10. Current measurement (Displays：A)
Display range ± 0.5% to ± 152% of range (0.5% or less is processed as 0)
CT ratio enables indication of up to
Over-range indication “o.r” is indicated for input that exceed
Over-range warning The PEAK OVER I LED lights when the input peak voltage value exceeds
or exceeds
Threshold voltage for 3-A range： ± 7.50 A to
lamp lighting Other ranges：
300% of the input range.
7.55 A
300% to ±302% of range
45.600 kA
152% of the input range
7.50 A
11. Active power measurement (Displays：W)
Display range ± 0% to ± 231.04% of range
The VT and CT ratios permit indication of up to
Over-range indication “o.r” is indicated for inputs that exceed
2079.4 MW
231.04% of the input range
12. Apparent power measurement (Display：VA)
Display range ± 0% to ± 231.04% of range
The VT and CT ratios permit indication of up to
2079.4 MVA
13. Peak voltage value measurement (Display：Vpk)
Range configuration
Voltage range 15 V 30 V 150 V 300 V
Effective measurement range ± 5% to
Voltage peak range 45.0 V 90.0 V 450 V 900 V
100% of the voltage peak range (up to ± 640 Vpk)
14. Peak current value measurement (Display：Apk)
Range configuration
Current range 10 mA 30 mA 100 mA 300 mA 1 A 3 A
Effective measurement range ± 5% to
Display range The CT ratio permits indication of up to
Current peak range 30.0 mA 90.0 mA 300 mA 900 mA 3.00 A 9.00 A
100% of current peak range (up to ± 5.70 Apk)
91.8 kApk.
15. Analog Output (ANALOG OUTPUT)
Maximum output voltage Voltage, Current, Current integration:
Active power, Apparent power, Active power integration: ± 4.6208 V DC
3.04 V DC
16. Communication commands
For the communication commands for RS-232C or GP-IB interface, please refer to the followings.
-1. Current range
Send the command with the numerical value 10 times higher than the desired current range as shown
below in the example.
(Example) Set the Current range to “3 A”
-2. ∗ IDN?
Model identifications are as follows. (See “3334 instruction manual” “Queries device ID”(
20････3334-20 (3334 Current 1/10 range type)
21････3334-21 (3334-01 Current 1/10 range type)
“:CURR:RANG 30”
⇒p.82))
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640 V
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