# CT3688A Cal Test Differential Probe New

**Features:**

-   Active Differential Probe Kit, 200 MHz, 10x Small Signal ±20V
-   Meets IEC 61010-031 safety standard
-   Small compact size
-   Up to ±20 V differential
-   High accuracy ±1%
-   200 MHz bandwidth (-3dB)
-   Excellent CMRR

**Kit comes in foam-lined plastic case and contains:**

-   Differential probe
-   (2) Sprung hook probes, 1000 V, CAT III, 20 A (black & red)
-   (2) Alligator clips, 300 V, CAT II (black & red)
-   9 V Battery
-   USB Power Cable

Differential probes allow safe, accurate measurement between two voltage points where neither point is referenced to ground. The CT3688A offers a 200 MHz bandwidth and can test up to ±60 V (DC + AC peak). Compatible with oscilloscopes from all major manufacturers, the probe can be battery operated or powered directly from an oscilloscope using the included USB cable.

## Details

- **Price:** 1188.05 USD
- **Vendor:** Cal Test
- **Type:** Diff Probe
- **Tags:** Accessories, Cal Test Electronics, Differential, Manufacturers, Other Equipment, Probe, product_manual_group_2, Product_new

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1188.05 USD | In stock |

## Images

- CT3688A Cal Test Differential Probe New

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> Source: [ValueTronics](https://valuetronics.com/products/ct3688a-cal-test-differential-probe-new)
> Updated: 2026-05-21