The Keysight N2843A low-cost passive probe provides a 10:1 attenuation and features a high input resistance of 10 MΩ. The probe can be adjusted for low-frequency compensation and high-frequency compensation.
For the best measurements you should compensate your probe to match its characteristics to the oscilloscope.
The N2843A is a replacement of the N2890A. The old and new replacements are 100% form, fit, function, and price equivalent to the products they replace.
| Key Features |
| Bandwidth DC to 500 MHz |
| Cable length 1.2 m |
| Rise time 700 ps |
| Attenuation ratio 10:1 |
| Input resistance 10 MΩ (when terminated into 1 MΩ) |
| Maximum input 300 V RMS (or >400Vpk) CAT I and CAT II |
| Compatible with Keysight InfiniiVision and Infiniium Series oscilloscopes with 1 MΩ input |
| Probe ID |
| Specifications |
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| N28xxA/B Passive Probes |
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| Series Overview |
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| Model | N2840A | N2862B/N2841A | N2863B /N2842A/N2853A | N2889A | N2890A/N2843A |
Bandwidth
(–3 dB)
| 50 MHz | 150 MHz | 300 MHz
(N2863B, N2842A)
350 MHz
(N2853A)
| 350 MHz (at 10:1)
10 MHz (at 1:1)
| 500 MHz |
Rise Time
(10 to 90%)
| 7 nsec | 2.33 nsec | 1.16 nsec (N2863B, N2842A)
1 nsec (N2853A)
| 1 nsec (at 10:1)
35 nsec (at 1:1)
| 700 psec |
Attenuation
Ratio
| 10:1 | 10:1 | 10:1 | 1:1/10:1 (switchable) | 10:1 |
Input Resistance
(when terminated into 1 MΩ)
| 10 MΩ | 10 MΩ | 10 MΩ | 10 MΩ (at 10:1)
1 MΩ (at 1:1)
| 10 MΩ |
| Input Capacitance | 15 pF | 15 pF | 11 pF | 11 pF (at 10:1)
60 pF (at 1:1)
| 11 pF |
| Maximum Input Voltage | 300 V RMS
(or < 400 Vpk) mains isolated and CAT II
| 300 V RMS
(or < 400 Vpk) mains isolated and CAT II
| 300 V RMS
(or < 400 Vpk) mains isolated and CAT II
| 300 VRMS
(or < 400 Vpk) mains isolated/II
(at 10:1)
150 V RMS CAT I/II (at 1:1)
| 300 V RMS
(or < 400 Vpk) mains isolated and CAT II
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| Scope Compensation Range | 5-30 pF | 5-30 pF | 5-30 pF | 5-30 pF (at 10:1) | 5-30 pF |
| Probe ID | Yes | Yes | Yes | No | Yes |
| Cable Length | 1.2 m | 1.2 m | 1.2 m (N2863B, N2842A)
2 m (N2853A)
| 1.3 m | 1.3 m (N2890A)
1.2 m (N2843A)
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| Safety | Conformance to IEC-61010-031:2015 | Conformance to IEC-61010-031:2015 | Conformance to IEC-61010-031:2015 | Conformance to IEC-61010-031:2015 | Conformance to IEC-61010-031:2015 |
