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AC/DC Current Measurement Systems
TCPA300, TCP312A, TCP305A, TCP303, TCPA400, TCP404XL Datasheet
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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
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
Tektronix is ISO 14001:2015 and ISO 9001:2015 certified by DEKRA. 60W-16458-14
