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The PicoConnect 442 probe is a 25:1 attenuating probe that enables the PicoScope 4444 differential oscilloscope to measure voltages up to ±1000 V, or voltages with a large common-mode offset. Such voltages are found in electrical power converters, inverters, motor speed controls, switch mode power supplies and many other devices.
The probe is fitted with the Pico D9 connector for use exclusively with the PicoScope 4444 differential oscilloscope. Upon connection it is automatically identified by the scope as a 25:1 probe, allowing the PicoScope 6 software to scale the vertical axis with the correct probe attenuation.
The probe body provides double-insulated protection for the user for CAT ratings up to and including 1000 V CAT III.
The PicoConnect 442 probe is designed and tested to EN 61010-1:2010 General requirements and to EN 61010-2-030:2010 Particular requirements for testing and measuring circuits. The TA089 and TA090 sprung hooks are designed to EN 61010‑031:2015 Safety requirements for hand-held probe assemblies.
| PicoConnect 442 25:1 differential probe specifications (1000 V CAT III) | |
|---|---|
| Bandwidth (–3 dB) | 10 MHz |
| DC accuracy | ±2% plus scope accuracy |
| Input | |
| Input resistance | 16.7 MΩ ± 1% each input to scope ground |
| Input capacitance | 9.3 pF ± 1 pF each input to scope ground |
| Attenuation | 25:1 |
| Differential ranges | ±2.5 V, ±5 V, ±12.5 V, ±25 V, ±50 V, ±125 V, ±250 V, ±500 V, ±1000 V |
| Common mode ranges | 125 V (2.5 V to 12.5 V ranges) 1000 V (25 V to 1000 V ranges) |
| Measurement category | 1000 V CAT III |
| Connectors | 1 x red, 1 x black 4 mm sockets, 1000 V CAT III shrouded |
| Output | |
| Cable length | 1.5 m |
| Connector | D9(m) with screw locks. Only for connection to PicoScope 4444 differential oscilloscope. |
| General | |
| Temperature |
0 °C to 45 °C operating 15 °C to 30 °C for stated accuracy –20 °C to 60 °C storage |
| Humidity |
5% to 80% RH non-condensing, operating 5% to 95% RH non-condensing storage |
| Altitude | Up to 2000 m |
| Pollution degree | 2 (as defined in IEC 61010-1:2010: only non-conductive pollution occurs except that occasionally a temporary conductivity caused by condensation is expected) |
| Weight | < 200 g |
| Enclosure dimensions | 118 x 50 x 28 mm |
| Safety approvals |
EN 61010-1:2010 EN 61010-2-030:2010 |
| EMC approvals |
EN 61326-1:2013 FCC Part 15 Subpart B (when tested with PicoScope 4444) |
| Environmental approvals | RoHS and WEEE compliant |
| Included accessories | |
| Input leads | 0.5 m, 1 x black TA308 and 1 x red TA309, with 1000 V CAT III shrouded 4 mm connectors at both ends |
| Sprung hook probes | 1 x black TA089, 1 x red TA090, 1000 V CAT III |
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