The N2784/5A probe positioners provide quick and stable X-Y positioning with only a “lift and drop” motion to put the probe in place for PC boards and devices that require hands-free probing. The N2784A has one articulated arm. The N2785A has two articulated arms.
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N2784/5A Probe Positioners Dimensions Figure 2 Height and length definitions Table 1 Dimensions and Weights Item Dimension Arm Length 320 mm Arm Height 158 mm Weight N2784A - 850g N2785A - 1.25 kg N2784/5A User’s Guide...
N2784/5A Probe Positioners To Attach a Probe to the Positioner Place your probe/probe head against one of the universal holders. Align the probe with the rubber ribs. Figure 3 Probe aligned with rubber ribs Wrap the releasable probe tie around the probe head. Figure 4 Probe tie wrapped around the probe Once the probe tie is in place, tighten the probe down to secure the universal holder...
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N2784/5A Probe Positioners Figure 5 Tightening the probe tie around the probe Do not over tighten the probe tie or you could damage the probe. CAUTION N2784/5A User’s Guide...
N2784/5A Probe Positioners Probe Angle Adjustment The angle of your probe can be adjusted by loosening and then tightening three knobs on the positioner arm/universal holder. Figure 6 shows the location of these three knobs. If knobs (1) and (2) are loose, there is a possibility that your probe may fall over.
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N2784/5A Probe Positioners Figure 7 Series of pictures showing various rotation axes N2784/5A User’s Guide...
N2784/5A Probe Positioners Replacing the Probe Ties The probe ties are highly durable, but in case of wear, replace them with the supplied probe ties. To replace a probe tie, loosen the screws labeled B in Figure 8 to unfasten the worn probe tie.
N2784/5A Probe Positioners Accessories Your N2784/5A probe positioner comes with several accessories. These include: - Arm strap - 5x magnifying glass - Probe rest You can use the arm strap to fix your probe cables or to secure the positioning arms and universal holders to the probe positioner’s body during storage as shown in Figure Figure 9...
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N2784/5A Probe Positioners Figure 11 The universal holder placed on the probe rest Ordering Replacement Accessories To replace missing accessories, order the N2785-68701 support kit. The accessories included in this kit are: - Probe rest - Magnifying glass - Probe tie - Arm strap - Screws for retention of probe tie N2784/5A User’s Guide...
N2784/5A Probe Positioners Contacting Keysight The instructions in this section show you how to contact Keysight Technologies and how to properly package the instrument for return to a Keysight Technologies service office. For technical assistance, contact your local Keysight Call Center.
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