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TPI ADF25 Differential Probe, 20:1 or 100V RMS

3 (2 Reviews) | UPC: 637623600029 | Model: TPI ADF25

TPI ADF25 Differential Probe

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Differential Probe

ADF25 Differential Probe
20:1 or 100V RMS

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List Price: $374.95

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TPI ADF25 Differential Probe, 20:1 or 100V RMS.

TPI also offers three models of high voltage differential probes all with high common mode rejection, wide bandwidth, and fast rise times. Differential probes enable the viewing of signals not referenced to earth ground and provide better performance than a matched pair of single ended oscilloscope probes when measuring these types of signals.

Differential Probe Specifications
FUNCTION	ADF25	ADF25A	ADF25C
Bandwidth	DC -25 MHz (-3dB)	DC -25 MHz (-3dB)	DC -70 MHz (-3dB)
Accuracy	± 2%	± 2%	± 2%
Risetime	14nS	14nS	14nS
CMRR (Typical) 50Hz 20kHz 200kHz	-80dB -60dB -50dB	-86dB -66dB -56dB	-80dB -60dB -50dB
Input Impedance	4M/10pf each side to ground 8M/5pF between inputs	4M/10pf each side to ground 8M/5pF between inputs	10M/10pf each side to ground 20M/5pF between inputs
Input Voltage	±140V DC Inc.Pk AC@ 20:1 or 100V RMS	±170V DC Inc.Pk AC@ 10:1 or 50V RMS	±700V DC Inc.Pk AC@ 100:1 or 400V RMS
Maximum Differential	± 1,400VDC Inc. Pk AC 200:1 or 1,000V RMS	± 1,400VDC Inc. Pk AC 100:1 or 500V RMS	± 7,000VDC Inc. Pk AC 1,000:1 or 5,000V RMS
Output Voltage	± 7V minimum 2KΩ load	± 7V minimum 2KΩ load	± 7V minimum 50KΩ load
Offset (typical)	<± 5mV -10° C to + 40° C
Common Mode	± 1,400V DC Inc. Pk AC or 1,000V RMS	± 1,400V DC Inc. Pk AC or 1,000V RMS	± 7,000V DC Inc. Pk AC or 2,500V RMS
Noise (typical)	0.7mV RMS	0.7mV RMS	0.9mV RMS
Output Source Impedance	1Ω @ 1kHz. 8Ω @1 MHz	1Ω @ 1kHz. 8Ω @1 MHz	50Ω
Operating Temperature	-10° C to + 40° C (14°F to 104°F)
Power Requirements	4 AA cell or 6V main adapters: DC/600mA or DC/800mA
Power Supply	Not included
Input Leads	45 cm double insulated PVC terminated in 44 mm safety plugs	45 cm double insulated PVC terminated in 44 mm safety plugs	60 cm double insulated Rubber terminated in sprung hooks
IEC1010	CAT III	CAT III	CAT II

Tech Specs

Accessories/Probes/Oscilloscope Probes/Active Differential Oscilloscope Probes Template
Bandwidth	25 MHz
Maximum Differential Input Voltage	1400 V
Attenuation (Probes)	200x
Rise Time	14 ns
CAT Voltage Rating	III
Test Equipment General Attributes
Battery Type	AA
Power Supply Voltage	120V/220V Universal, Battery Powered
Country of Origin	Taiwan

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Answers (1) - Asked by Anonymous

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CMMR is a measure of how well a differential probe will reject signals common to both test points, leaving the desired signal to be displayed by the scope.

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Impedance is a measure of how much a signal will be restricted. In general, it is best to have high resistance and low capacitance to ensure signal quality, accuracy of tests, and to ensure the probe doesn''t load down the circuit under test.

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This specification provides you with the maximum voltage between the inputs the differential probe can be subjected to. This is important because the maximum voltage should never be exceeded.

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You will receive one differential probe, 2 probe tips, and 2 retractable sprung probes for accessing small wires for measurements.

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With 20 MHz bandwidth, a switchable attenuation of 20:1, and 200:1 (part no. ADF25), you can measure high-voltage circuits, motor speed controls, power supply design, and high-power electronic converters.

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No zeroing adjustment

2.0

Good price, but it has a 200mv DC bias and no zeroing adjustment. Since I am using this across a current sense resistor (.01ohm), 200mv DC bias is significant.

Bob on Mar 05, 2016

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TPI ADF25

4.0

Reliable inexpensive option for differential probes. Can go through batteries fast so buy a DC supply to go with them.

Jeremy on Apr 01, 2015

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