# Title: TESTEC TT-HX 312 - 350MHz CAT II Oscilloscope Probe


## Description: -


## Product type: Oscilloscope Accessory


## Vendor: TESTEC Elektronik GmbH


## Tags: 350MHz, Accessory, High Frequency, Oscilloscope Probe, Passive Probe, spec-oscilloscope-probe, Test Probe, Testec


## Price range: 60.0 - 60.0 GBP


## Link: https://thedebugstore.com/products/testec-tt-hx-312-350mhz-oscilloscope-probe-12120


## Options 

- Title: Default Title


## Collections

- [New Products](https://thedebugstore.com/a/llms/collections/new-products-debug-store)
- [Oscilloscope Probes](https://thedebugstore.com/a/llms/collections/oscilloscope-probes-catalogue)
- [TESTEC Elektronik GmbH](https://thedebugstore.com/a/llms/collections/testec-elektronik-gmbh-catalogue)
- [TESTEC Passive Oscilloscope Probes](https://thedebugstore.com/a/llms/collections/testec-passive-oscilloscope-probes-catalogue)
- [Oscilloscope High Frequency (HF) Probes](https://thedebugstore.com/a/llms/collections/oscilloscope-high-frequency-hf-probes)
- [Test Probes](https://thedebugstore.com/a/llms/collections/test-probes)

## Variants

- Default Title, SKU: 12120, Available: yes, Inventory: 1


## Metafields 

- original_description: <span data-mce-fragment="1">The</span><em data-mce-fragment="1"><strong data-mce-fragment="1"> TESTEC TT-HF-612 Miniature Oscilloscope Probe</strong></em><span data-mce-fragment="1"> has been designed for professional use.  This quality Probe is fitted with a x10 attenuation ratio and a bandwidth of 500MHz.</span>
- target_keyword: TESTEC TT-HF-612 500MHz Miniature Oscilloscope Probe
- brand: Testec
- brands: gid://shopify/Metaobject/56313938143
- breadcrumbs: ["gid://shopify/Collection/267180835005","gid://shopify/Collection/240413933757","gid://shopify/Collection/269019119805","gid://shopify/Collection/402097438943"]
- manufacturer: TESTEC Elektronik GmbH
- warranty: 12 months
- title_tag: TESTEC TT-HX 312 Oscilloscope Probe (12120) - 350MHz CAT II
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- condition: new
- custom_label_0: Oscilloscope Accessory
- custom_label_1: Scope Probe
- google_product_category: Electronics
- mpn: TT-HF-612
- backorder_label: If no stock is shown above, order now and we'll ship within 5 working days.
- manufacturer: TESTEC Elektronik GmbH
- mpn: TT-HF-612
- warranty: 12 months
- key_feature_2: Switchable 1:1 (10MHz) / 10:1 (350MHz) attenuation for flexible voltage scaling
- key_feature_3: CAT II 400Vrms rated for safe mains-connected measurements
- key_feature_4: 1500V transient overvoltage protection against surges/spikes
- key_feature_5: ±2% DC accuracy with 8–25pF compensation for signal fidelity
- key_feature_6: 5mm ergonomic tip with spring-loaded SMD accessories
- key_feature_7: 1.2m shielded cable with grounded BNC reference
- key_feature_8: Pollution Degree 2 certified
- description_tag: Professional 350MHz passive oscilloscope probe with 1:1/10:1 attenuation, 400V CAT II safety, and 1500V surge protection. Ideal for high-speed diagnostics.
- key_feature_1: High-bandwidth passive probe for precise voltage measurements in industrial and laboratory environments
- customhs_code: 903090
- key_feature_8_tooltip: {"type":"root","children":[{"type":"paragraph","children":[{"type":"text","value":"for non-conductive environments"}]}]}
- summary: <p>The <strong>TESTEC TT-HX 312</strong> is a professional-grade passive oscilloscope probe designed for demanding electronic diagnostics and signal analysis. Part of the TT-HX series, it offers switchable 1:1 (10MHz) and 10:1 (350MHz) attenuation modes, enabling engineers to measure low-voltage circuits and high-speed signals up to 400Vrms (CAT II) with ±2% DC accuracy. Its 1500V transient overvoltage protection ensures reliability in environments with voltage spikes.</p>
<p>Optimised for use with 1MΩ BNC oscilloscope inputs, the TT-HX 312 features adjustable compensation (8–25pF) to match oscilloscope capacitance, ensuring flat frequency response. The ergonomic 5mm tip includes spring-loaded accessories for secure SMD connections, reducing measurement drift in compact layouts. Compared to the fixed-attenuation TT-HX 212, this model adds flexibility for mixed-voltage systems while maintaining 350MHz bandwidth in 10:1 mode.</p>
<p>With a Pollution Degree 2 rating, it operates safely in environments with non-conductive contaminants and temporary condensation. Engineers prioritising safety, accuracy, and adaptability for mains-connected measurements will benefit from its IEC 61010-031 compliance and CE-certified design.</p>