Features Scitec Instruments Model 420 is a dual phase analogue lock-in amplifier. Both the single phase Model 410 and dual phase Model 420 are suitable for making amplitude and phase measurements but it is significantly easier with the Model 420. Dual phase instrument
Our 5 Step DOUBLE ENTRY ROLLING PLATFORM is really the work horse of Maintenance Platforms. It is a Double Sided Rolling Ladder with two stairways and single handrail on one side. The lock safe caster locking systems turn this mobile platform into an unmovable stand on all four legs.
Little Giant Velocity M22 Ladder New with tags and warranty card M22 - 22 Foot Ladder! Compare prices to this SKU - MSRP $432 / Home Depot $309.99 / Amazon $286. Get one while it lasts!
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