Range

Minimum Resolution

Measurement Uncertainty at Different Frequencies (Hz)

( k = 2) @(23 ± 5)°C

( μV/V of reading + μV/V of range )

Temperature Coefficient@ (5~45)°C

( μV/V of reading + μV/V of range ) /°C

45 ≤ F ≤ 65

65 < F ≤ 400

400 < F ≤ 1 k

60 V

1 μV

15 + 10

30 + 20

60 + 40

0.5 + 0.5

120 V

10 μV

15 + 10

30 + 20

60 + 40

0.5 + 0.5

240 V

10 μV

15 + 10

30 + 20

60 + 40

0.5 + 0.5

480 V

10 μV

15 + 10

30 + 20

60 + 40

0.5 + 0.5

Voltage measurement range: 30 V ~ 530 V, with auto or manual range switching;

Display resolution: selectable between 7 or 8 digits;

Measurement repeatability (standard deviation)[1]: < 1 ppm;

Stability: 15 ppm/year (measured once per month);

Note [1]: Test conditions: 10 measurements with an integration time of 6 s; same applies below.

Range

Minimum Resolution

Measurement Uncertainty at Different Frequencies (Hz)

( k = 2) @(23 ± 5)°C

( μV/V of reading + μV/V of range )

Temperature Coefficient@ (5~45)°C

( μV/V of reading + μV/V of range ) /°C

45 ≤ F ≤ 65

65 < F ≤ 400

400 < F ≤ 1 k

60 V

1 μV

30 + 20

60 + 40

120 + 80

1 + 1

120 V

10 μV

30 + 20

60 + 40

120 + 80

1 + 1

240 V

10 μV

30 + 20

60 + 40

120 + 80

1 + 1

480 V

10 μV

30 + 20

60 + 40

120 + 80

1 + 1

Voltage measurement range: 30 V ~ 530 V, with auto or manual range switching;

Display resolution: selectable between 7 or 8 digits;

Measurement repeatability (standard deviation): < 2 ppm;

Stability: 25 ppm/year (measured once per month).

Range

Minimum Resolution

Measurement Uncertainty at Different Frequencies (Hz)

( k = 2) @(23 ± 5)°C

( μA/A of reading + μA/A of range )

Temperature Coefficient@ (5~45)°C

( μA/A of reading + μA/A of range ) /°C

45 ≤ F ≤ 65

65 < F ≤ 400

400 < F ≤ 1 k

2 mA

1 nA

60 + 40

120 + 80

300 + 200

2 + 2

5 mA

1 nA

60 + 40

120 + 80

300 + 200

2 + 2

10 mA

1 nA

30 + 20

60 + 40

120 + 80

1 + 1

20 mA

1 nA

30 + 20

60 + 40

120 + 80

1 + 1

50 mA

1 nA

15 + 10

30 + 20

60 + 40

0.5 + 0.5

100 mA

10 nA

15 + 10

30 + 20

60 + 40

0.5 + 0.5

200 mA

10 nA

15 + 10

30 + 20

60 + 40

0.5 + 0.5

500 mA

10 nA

15 + 10

30 + 20

60 + 40

0.5 + 0.5

1 A

0.1 μA

15 + 10

30 + 20

60 + 40

0.5 + 0.5

2 A

0.1 μA

15 + 10

30 + 20

60 + 40

0.5 + 0.5

5 A

0.1 μA

15 + 10

30 + 20

60 + 40

0.5 + 0.5

10 A

1 μA

15 + 10

30 + 20

60 + 40

0.5 + 0.5

20A

1 μA

15 + 10

30 + 20

60 + 40

0.5 + 0.5

50 A

1 μA

15 + 10

30 + 20

60 + 40

0.5 + 0.5

100 A

10 μA

15 + 10

30 + 20

60 + 40

0.5 + 0.5

1 V^[1]

1 μV

15 + 10

30 + 20

60 + 40

0.5 + 0.5

Direct current measurement range: 0.2 mA ~ 120 A, with auto/manual range switching;

Low-level voltage measurement range: 0.1 V_pk ~ 2.5 V_pk, for use with external I/V conversion standards to extend current measurement range;

Display resolution: 7 digits for 2 mA and 5 mA ranges; selectable between 7 or 8 digits for other ranges;

Measurement repeatability (standard deviation)^[1]: < 1 ppm;

Stability: 15 ppm/year (measured once per month).

Range

Minimum Resolution

Measurement Uncertainty at Different Frequencies (Hz)

( k = 2) @(23 ± 5)°C

( μA/A of reading + μA/A of range )

Temperature Coefficient@ (5~45)°C

( μA/A of reading + μA/A of range ) /°C

45 ≤ F ≤ 65

65 < F ≤ 400

400 < F ≤ 1 k

2 mA

1 nA

120 + 80

300 + 200

600 + 400

5 + 5

5 mA

1 nA

120 + 80

300 + 200

600 + 400

5 + 5

10 mA

1 nA

60 + 40

120 + 80

300 + 200

2 + 2

20 mA

1 nA

60 + 40

120 + 80

300 + 200

2 + 2

50 mA

1 nA

30 + 20

60 + 40

120 + 80

1 + 1

100 mA

10 nA

30 + 20

60 + 40

120 + 80

1 + 1

200 mA

10 nA

30 + 20

60 + 40

120 + 80

1 + 1

500 mA

10 nA

30 + 20

60 + 40

120 + 80

1 + 1

1 A

0.1 μA

30 + 20

60 + 40

120 + 80

1 + 1

2 A

0.1 μA

30 + 20

60 + 40

120 + 80

1 + 1

5 A

0.1 μA

30 + 20

60 + 40

120 + 80

1 + 1

10 A

1 μA

30 + 20

60 + 40

120 + 80

1 + 1

20A

1 μA

30 + 20

60 + 40

120 + 80

1 + 1

50 A

1 μA

30 + 20

60 + 40

120 + 80

1 + 1

100 A

10 μA

30 + 20

60 + 40

120 + 80

1 + 1

1 V^[1]

1 μV

30 + 20

60 + 40

120 + 80

1 + 1

Direct current measurement range: 0.2 mA ~ 120 A, with auto/manual range switching;

Low-level voltage measurement range: 0.1 V_pk ~ 2.5 V_pk, for use with external I/V conversion standards to extend the current measurement range;

Display resolution: 7 digits for 2 mA and 5 mA ranges; selectable between 7 or 8 digits for other ranges;

Measurement repeatability (standard deviation): < 2 ppm;

Stability: 25 ppm/year (measured once per month).

Measurement Type

TA3310-50 Specifications

(Class 0.005)

TA3310-100 Specifications

(Class 0.01)

Frequency

Measurement Range

45 Hz ~ 1 kHz

Minimum Resolution

0.000 01 Hz

Measurement Uncertainty (k=2)

0.005%

Phase

Measurement Range

0 ~ 360° (I ≥ 50mA)

Minimum Resolution

0.000 1°

Measurement Uncertainty (k=2)

45 Hz ≤ F ≤ 65 Hz

0.001°

0.003°

65 Hz < F ≤ 400 Hz

0.008°

0.02°

400 Hz < F ≤ 1 kHz

0.02°

0.05°

Measurement Type

TA3310-50

(Class 0.005)

TA3310-100

(Class 0.01)

Voltage Harmonics

Measurement Order

2^nd ~ 255^th @50 Hz / 60 Hz

Harmonic Amplitude

U_h range: 3 V ~ 40%U₁

U_h(peak) + U₁(peak) ≤ 530 V ^[2]

Measurement Uncertainty (k=2)^[3]

2^nd ~ 31^st

0.003%*U₁

0.005%*U₁

32^nd ~ 60^th

0.005%*U₁

0.01%*U₁

Current Harmonics

Measurement Order

2^nd ~ 255^th @50 Hz / 60 Hz

Harmonic Amplitude

I_h range: 10 mA ~ 40%I₁

I_h(peak) + I₁(peak) ≤ 120 A ^[1]

Measurement Uncertainty (k=2)^[3]

2^nd ~ 11^st

0.005%*I₁

0.01%*I₁

12^nd ~ 21^st

0.01%*I₁

0.02%*I₁

22^nd ~ 31^st

0.02%*I₁

0.05%*I₁

32^nd ~ 60^th

0.05%*I₁

0.1%*I₁

Note [1]: I_h is the harmonic current, and I₁ is the fundamental current; same applies below.

Note [2]: U_h is the harmonic voltage, and U₁ is the fundamental voltage; same applies below.

Note [3]: Test conditions: voltage or current harmonic content ≥ 10%.

Voltage

U

Current Range

I

Power Factor

PF

Power/Energy Measurement Uncertainty (k=2)

( % of reading ) @(45~65)Hz

TA3310-50

(Class 0.005)

TA3310-100

(Class 0.01)

30 V ≤ U ≤ 530 V

50 mA ≤ I ≤120 A

0.5L~1~0.5C

0.005%

0.01%

0.25L~<0.5L

0.25C~<0.5C

0.015%

0.03%

10 mA ≤ I < 50 mA

1

0.005%

0.01%

0.5L~<1

0.5C~<1

0.01%

0.02%

3 mA ≤ I < 10 mA

1

0.01%

0.02%

0.5L~<1

0.5C~<1

0.02%

0.04%

0.2 mA ≤ I < 3 mA

1

0.01%×3mA/I

0.02%×3mA/I

Measurement repeatability (standard deviation)^[1]: < 2 ppm @ (PF: 0.5L ~ 1 ~ 0.5C);

Stability: 25 ppm/year (Class 0.005), 50 ppm/year (Class 0.01), measured once per month;

Power factor measurement range: -1.000 000 … 0.000 000 … 1.000 000;

Standard energy pulse output: full-scale corresponds to 60 kHz (high frequency) and 6 Hz (low frequency);

Standard energy pulse input: frequency ≤ 200 kHz; voltage: 0…3.3 V…24 V;

Note [1]: Test conditions: 10 measurements with an integration time of 6 s.

Type

Harmonic Voltage / Current

Harmonic Power Factor

Measurement Uncertainty (k=2)

TA3310-50

(Class 0.005)

TA3310-100

(Class 0.01)

Single Harmonic

Active Power / Energy

U_h=0.05*U₁

10 mA ≤ I_h < 0.4*I₁

1

0.05%*(1+0.01h)

0.1%*(1+0.01h)

0.5L~<1

0.5C~<1

0.07%*(1+0.01h)

0.15%*(1+0.01h)

Note: I_h (peak) + I₁ (peak) ≤ 120 A; h is the harmonic order, with h ≤ 50.

Power Supply

AC 90 V ~ 265 V, 47 Hz ~ 63 Hz

Maximum Power Consumption

60 VA

Warm-up Time

30 minutes

Temperature Performance

Operating temperature: 5°C~45°C; Storage temperature: -10°C~55°C

Humidity Performance

Operating humidity: < 80% @ 30°C, < 70% @ 40°C, < 40% @ 50°C; Storage humidity: (20%~80%) R H, non-condensing.

Altitude

< 3000 m

Communication Interface

USB Type-A×1, USB Type-B×2, USB Type-C×1

CAN×1, LAN×1, RS232×1

Weight

Approx. 16 kg

Dimensions

435 mm(W) × 360 mm(D) × 176 mm(H)

Instrument Type

Configuration

Precision AC Power Measurement Board

I/O Board

ACV

Max. Range

ACV

Max. Range

Power Accuracy

Quantity

Three-Phase Standard Energy Meter

TA3310-3P480V100A50ppm-I/O

480 V

100 A

Class 0.005

3

√

Three-Phase Standard Energy Meter

TA3310-3P480V100A100ppm-I/O

480 V

100 A

Class 0.01

3

√

Single-Phase Standard Energy Meter

TA3310-1P480V100A100ppm-I/O

480 V

100 A

Class 0.01

1

√

Name

Configuration

Main Functions

Three-Phase Multifunction Standard Meter Main Unit

TA3310

Includes control, display, and communication modules; supports up to 3 power measurement boards and 1 I/O board

Precision AC Power Measurement Board

TA3310-P480V100A50ppm

Max ACV range: 480 V; Max ACI range: 100 A; Power accuracy: Class 0.005

TA3310-P480V100A100ppm

Max ACV range: 480 V; Max ACI range: 100 A; Power accuracy: Class 0.01

I/O Board

TA3310-I/O

Provides synchronization, triggering, and energy pulse interfaces