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AC/DC Current Measurement Systems

TCPA300, TCP312A, TCP305A, TCP303, TCPA400, TCP404XL Datasheet

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TCPA300 400 EN US 60W 16458 14
TCPA300, TCP312A, TCP305A, TCP303, TCPA400, TCP404XL Datasheet

The TCP300 and TCP400 Series AC/DC current measurement family is a highly advanced current measurement system for today's current measurement needs. When connected to Tektronix oscilloscopes with TEKPROBE Level II, TekConnect (w/ TCA-BNC), or TekVPI (w/ TPA-BNC) interfaces, current measurements and calculations are simple and easy.

Key performance specifications

AC/DC measurement capabilities

  • DC - 100 MHz, Current Probe Amplifier (TCPA300) uses:
    • DC - 100 MHz, 30 A DC (TCP312A)
    • DC - 50 MHz, 50 A DC (TCP305A)
    • DC - 15 MHz, 150 A DC (TCP303)
  • DC - 50 MHz, Current Probe Amplifier (TCPA400) Uses:
    • DC - 2 MHz, 750 A DC 1 (TCP404XL) (500 A DC Continuous)

Key features

  • Automatic scaling and units 2 - Oscilloscope on-screen readout of magnitude and amps reduces measurement errors with no more hand calculations
  • AC/DC input coupling
  • Low insertion impedance reduces device under test loading
  • Split-core construction allows easy circuit connection
  • Status indicators provide visual operating status and notification of potential error conditions - degauss, probe open, overload, not terminated into 50 Ω, noncompatible probe type
  • Low DC drift and noise allows improved low-level current measurements
  • 3rd party safety certification

Applications

  • Development and analysis solutions for designers, installers, and service personnel in telecom, data comm, computer, and semiconductor power electronics environments for:

    • Power supplies (switching and linear)
    • Semiconductor devices (SCRs, IGBTs, MOSFETs, CMOS, BJTs)
    • Power inverters/converters
    • Electronic ballasts
    • Industrial/consumer electronics
    • Mobile communications (phone, satellite, relay stations)
    • Motor drives
    • Transportation systems (electronic vehicles, electric trains, locomotives, avionics)

Meets today's AC/DC current measurement applications

The TCPA300 amplifier, when used with TCP312A, TCP305A, or TCP303 probes, provides a wide range of current measurement capability and spans the gap between low-level milliamp measurements to very high current levels. These three probes provide current measurement capabilities of 30 A, 50 A, and 150 A DC continuous. For even higher current levels, the TCPA400 amplifier with the TCP404XL current probe measures 500 A DC continuous and 750 A DC continuous, derated with duty cycle.

Higher-frequency performance is available with the TCP312A w/TCPA300 providing ≥100 MHz bandwidth and a maximum current of 30 A DC.

Measurement errors and manual calculations are now a thing of the past

With this new series of current measurement tools, automatic control and on-screen scaling and units is provided for users of Tektronix TDS3000, TDS500, TDS600, TDS700, TDS5000, TDS6000, and TDS7000B series oscilloscope systems (the DPO3000, MDO/MSO/DPO4000, MSO/DPO5000, and DPO7000 series oscilloscopes, the TPA-BNC adapter is required).

The TCP300/TCP400 current measurement systems seamlessly integrate with your TDS series oscilloscope.

Even non-TEKPROBE systems can use the TCPA300/400 series to make proper current measurements by simply multiplying the measured output voltage on the oscilloscope by the TCPA300/400 series range setting.

Specifications

All specifications are guaranteed unless noted otherwise. All specifications apply to all models unless noted otherwise.

Model overview

TCP312A w/ TCPA300 TCP305A w/ TCPA300 TCP303 w/ TCPA300 TCP404XL w/ TCPA400
Bandwidth DC – 100 MHz DC – 50 MHz DC – 15 MHz DC – 2 MHz
Rise time ≤3.5 ns ≤7 ns ≤23 ns ≤175 ns
DC accuracy ±3% of reading ±3% of reading ±3% of reading ±3% of reading
Accuracy, typical DC: ±1% of reading

DC to 60 Hz, ≤5 A: ±1%

60 Hz – 5 kHz, ≤5 A: ±1.5%

DC – 5 kHz, >5 A: ±1.5%

DC: ±1% of reading

DC to 60 Hz, ≤5 A: ±1%

60 Hz – 5 kHz, ≤5 A: ±1.5%

DC – 5 kHz, >5 A: ±1.5%

DC: ±1% of reading DC: ±1% of reading

Lowest measurable current (at ±3% accuracy at DC)

Scope set to 1 mV/div and 20 MHz BW limited

1 mA 5 mA 5 mA 1 A
Maximum Amp-Second product, typical (based on amplifier range setting)

50 A*μS – 1 A/V

500 A*μS – 10 A/V

500 A*μS – 5 A/V

NA – 10 A/V

3,000 A*μS – 5 A/V

15,000 A*μS – 50 A/V

NA – 1 A/mV

Maximum wire voltage

Bare

150 V CAT II 150 V CAT II 600 V CAT I & II 600 V CAT I & II

Insulated

300 V CAT II

300 V CAT II

300 V CAT III

300 V CAT III

AC-coupling low-frequency Bandwidth, typical (Low pass – 3 dB point)

<7 Hz <7 Hz <7 Hz <7 Hz

Displayed RMS noise, typical (at 20 MHz bandwidth limit)

≤75 μARMS≤1.25 mA RMS≤2.5 mARMS≤250 mARMS
Signal delay (to output BNC) 17 ns 19 ns 40 ns 80 ns
Insertion impedance 0.11 Ω at 1 MHz

0.12 Ω at 10 MHz

0.35 Ω at 50 MHz

0.7 Ω at 100 MHz

0.02 Ω at 1 MHz

0.1 Ω at 10 MHz

0.35 Ω at 50 MHz

0.01 Ω at 1 MHz

0.025 Ω at 5 MHz

0.1 Ω at 15 MHz

0.1 m Ω at 10 kHz

0.6 m Ω at 100 kHz

8 m Ω at 1 MHz

16 m Ω at 2 MHz

Characteristics

Maximum current ratings
High-current sensitivity
TCP312A w/ TCPA300 TCP305A w/ TCPA300 TCP303 w/ TCPA300 TCP404XL w/ TCPA400
Range 10 A/V 10 A/V 50 A/V 1 A/mV
DC (continuous) 30 A 50 A 150 A 500 A (750 A)
RMS (sinusoidal) 21.2 A 35.4 A 150 A 500 A
Peak 50 A 50 A 500 A 750 A
Low-current sensitivity
TCP312A w/ TCPA300 TCP305A w/ TCPA300 TCP303 w/ TCPA300 TCP404XL w/ TCPA400
Range 1 A/V 5 A/V 5 A/V N/A
DC (continuous) 5 A 25 A 25 A N/A
RMS (sinusoidal) 3.5 A 17.7 A 17.7 A N/A
Peak 50 A 50 A 500 A N/A

Physical characteristics

Amplifiers
TCPA300/TCPA400
Length 17.3 cm (6.8 in)
Width 9.14 cm (3.6 in)
Height 16.7 cm (6.6 in)
Weight 1.14 kg (2.5 lb)
Probes
TCP305A/TCP312A TCP303 TCP404XL
Length 20 cm (7.77 in) 26.8 cm (10.55 in) 26.8 cm (10.55 in)
Width 6 cm (0.625 in) 4.1 cm (1.60 in) 4.1 cm (1.60 in)
Height 3.2 cm (1.25 in) 15.6 cm (6.13 in) 15.6 cm (6.13 in)
Weight 0.15 kg (0.33 lb) 0.66 kg (1.45 lb) 0.88 kg (1.90 lb)
Maximum conductor size
TCP312A TCP305A TCP303 TCP404XL
5.0 mm (0.197 in) 5.0 mm (0.197 in) 21 mm x 25 mm (0.83 x 1.0 in) 21 mm x 25 mm (0.83 x 1.0 in)
Cable length
TCP312A TCP305A TCP303 TCP404XL
1.5 m (60 in) 1.5 m (60 in) 2 m (78.7 in) 8 m (315 in)

EMC environment and safety

Safety compliance
TCP312A/305A probe and amplifier Amplifiers TCP303/404XL probe and amplifier
U.S. NRTL listing UL61010-2-032, UL61010-1 UL3111-1, first edition UL3111-2-032, UL3111-2-031; UL3111-1
Canadian certification

CAN/CSA C22.2 No. 61010-1, CAN/CSA C22.2 No. 61010-2-032

CAN/CSA C22.2 No.1010.1-92 CAN/CSA C22.2 No.1010.1-92
European Union compliance EN61010-1, EN61010-2-032 EN61010-1:2001 EN61010-1/A2, EN61010-2-031, EN61010-2-032
Other IEC61010-2-032
Electromagnetic compatibility, amplifiers only
EC Council Directive 89/336/EEC, FCC Part 15, Subpart B Class A, AS/NZS 2064.1/2.

EMC environment and safety

Temperature
Operating
0 °C to +50 °C (32 °F to 122 °F)
Nonoperating
-40 °C to +75 °C (-40 °F to 167 °F)
Humidity
Operating

5% to 95% R.H. to +30 °C (86 °F)

5% to 85% R.H. +30 °C to +50 °C (86 °F to 122 °F)

Nonoperating

5% to 95% R.H. to +30 °C (86 °F)

5% to 85% R.H. +30 °C to +75 °C (86 °F to 167 °F)

Altitude
Operating
2000 m (6800 ft.) maximum
Nonoperating
12,192 m (40,000 ft.) maximum

Ordering information

Models

Probes
TCP312A Probe
AC/DC current, DC to 100 MHz; 30 A DC (Requires TCPA300 amplifier)
TCP305A Probe
AC/DC current, DC to 50 MHz; 50 A DC (Requires TCPA300 amplifier)
TCP303 Probe
AC/DC current, DC to 15 MHz; 150 A DC (Requires TCPA300 amplifier)
TCP404XL Probe
AC/DC current, DC to 2 MHz; 500 A DC (750 A DC derated with duty cycle) (Requires TCPA400 amplifier)

All TCP300/400 probes include: compliance and safety instructions, certificate of traceable calibration.

Amplifiers
TCPA300 Amplifier
AC/DC current probe, DC to 100 MHz, (Requires TCP305A or TCP312A or TCP303 probes)
TCPA400 Amplifier
AC/DC current probe, DC to 50 MHz, (Requires TCP404XL probe)

All TCPA300/TCPA400 Current Probe Amplifiers Include: AC/DC current probe amplifier, compliance and safety instructions, TEKPROBE interface cable, certificate of traceable calibration.

Recommended accessories

Cover, large probe protective; (for TCP303, TCP404XL)
016-1924-00
Case, transit; current measurement systems
016-1922-00
50 Ω feedthrough termination
011-0049-02
50 Ω BNC-to-BNC coaxial cable
012-0117-00
TEKPROBE interface cable, TCPA300 or TCPA400 amplifier to TDS series oscilloscopes
012-1605-00
Current loop, 1 turn, 50 Ω, BNC connector (for TCP305A, TCP312A, TCP202A)
067-2396-00
Current loop, 1 turn, 50 Ω, BNC connector (for TCP303, TCP404XL)
015-0601-50
TCPA300/TCPA400 amplifier calibration adapter
174-4765-00
Power measurements deskew fixture for TCP202A, TCP305A, TCP312A, TCP303 probes
067-1478-00

Warranty

One year parts and labor.

Power requirements

Amplifiers
90 V to 264 V, 47 to 440 Hz, 50 W; Maximum CAT II (auto switch)
Probes
TCP312A, TCP305A, TCP303 probes require a TCPA300 Amplifier;
TCP404XL probe requires a TCPA400 Amplifier

Options

Power plug options

Opt. A0
North America power plug (115 V, 60 Hz)
Opt. A1
Universal Euro power plug (220 V, 50 Hz)
Opt. A2
United Kingdom power plug (240 V, 50 Hz)
Opt. A3
Australia power plug (240 V, 50 Hz)
Opt. A5
Switzerland power plug (220 V, 50 Hz)
Opt. A6
Japan power plug (100 V, 50/60 Hz)
Opt. A10
China power plug (50 Hz)
Opt. A11
India power plug (50 Hz)
Opt. A12
Brazil power plug (60 Hz)
Opt. A99
No power cord

ServiceOptions

Opt. C3
Calibration Service 3 Years
Opt. C5
Calibration Service 5 Years
Opt. D1
Calibration Data Report
Opt. D3
Calibration Data Report 3 Years (with Opt. C3)
Opt. D5
Calibration Data Report 5 Years (with Opt. C5)
Opt. R3
Repair Service 3 Years (including warranty)
Opt. R3DW

Repair Service Coverage 3 Years (includes product warranty period). 3-year period starts at time of instrument purchase

Opt. R5
Repair Service 5 Years (including warranty)
Opt. R5DW

Repair Service Coverage 5 Years (includes product warranty period). 5-year period starts at time of instrument purchase

Opt. SILV400
Standard warranty extended to 5 years (TCP305A, TCP312A, TCPA300, TCPA400 )
Opt. SILV600
Standard warranty extended to 5 years (TCP303, TCP404XL)

  • 1 Derated with duty cycle

    2 Requires a TDS TEKSCOPE oscilloscope or a TekConnect oscilloscope with TCA-BNC adapter

    TCPA300 400 EN US 60W 16458 14
    		Tektronix is ISO 14001:2015 and ISO 9001:2015 certified by DEKRA.

    60W-16458-14