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HT7800 Series

120 kV Transmission Electron Microscopes

Advanced TEM imaging for research and industry
  • Dual-Mode objective lens: Switch between high-contrast mode and high-resolution mode with a single click for unmatched flexibility.
  • User-friendly interface: Modern, intuitive GUI allows seamless operation in normal room light conditions.
  • Enhanced digital imaging system: With low-dose functionality for improved sample integrity.
  • Expandable capabilities: STEM, EDX, MirrorCLEM, and other specialized accessories for different research needs.

Overview

The HT7800 series comes in three variants: The HT7800, HT7820, and HT7830 (see Specifications table below). These microscopes represent a new era of transmission electron microscopy, combining Hitachi's 75+ years of expertise with modern digital advancements. Designed for both seasoned researchers and newcomers, this series offers high-resolution imaging with a user-friendly interface and ergonomic controls that enhance efficiency and comfort.

Designed for life sciences, material sciences, and industrial applications, the HT7800 series provides flexible imaging modes, high-speed digital processing, and seamless automation, ensuring accurate and reproducible results. You can also operate the microscope in normal room light conditions, which removes the need for a darkroom and improves usability and comfort.

Features and benefits

Specifications

  HT7800 HT7820 HT7830
Electron gun W (standard), LaB6 LaB6 (standard), W  LaB6 (standard), W 
Accelerating voltage 20 - 120 kV (100 V/step variable) 20 - 120 kV (100 V/step variable) 20 - 120 kV (100 V/step variable)
Resolution (Lattice) 0.20 nm (Off-axis, 100 kV) 0.14 nm (Off-axis, 120 kV) 0.14 nm (Off-axis, 120 kV)
0.19 nm (On-axis, 120 kV)
Maximum magnification x600,000 x800,000 x1,000,000
Stage maximum tilt angle ±70° ±30° ±10°
Standard features Auto focus, Microtrace, Autodrive, Live FFT display, Measurement function, Low dose, API (auto pre-irradiation),
Image navigation function, Column with mild baking function, Whole view function, Drift correction function, etc.

Applications gallery
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Mouse Kidney (stained), accelerating voltage 80 kV, magnification x300.

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Rat jejunum (unstained), accelerating voltage 80 kV, magnification x2,000.

  • High-contrast imaging for biological samples
  • Low-dose mode for cryo-TEM and delicate biological specimens
  • Images above show comparison between a conventional stained section and an unstained section with the HT7800 series High Contrast lens
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Au/TiO2 catalyst. Bright-field TEM image, accelerating voltage 120 kV.

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Au/TiO2 catalyst. Hollow-cone dark-field TEM image, accelerating voltage 120 kV.

  • High-resolution imaging of nanoparticles, polymers, and advanced materials
  • STEM & EDX compatibility for compositional analysis
  • Image above highlights hollow-cone dark-field observation using an Au/TiO2 catalyst on the HT7820. The electron beam diffraction region used for the hollow-cone dark-field observations indicated in yellow within the selected-area electron diffraction pattern. TiO2 diffraction waves can be clearly observed in the hollow-cone dark-field images.
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Crocidolite, accelerating voltage 120 kV, magnification x700,000

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Anthophyllite, accelerating voltage 120 kV, magnification x700,000

  • High-resolution imaging of asbestos.
  • Above images shows high magnification images of Crocidolite and Ansophyllite.
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Mesoporous silica powder, accelerating voltage 120 kV, magnification x70,000

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Mesoporous silica powder, accelerating voltage 120 kV, magnification x200,000

  • High-resolution performance and digitization allowing you to quickly observe the sequence of several nm pores.
  • Above images shows TEM observation result of mesoporous silica particles expected to be applied to the drug delivery system.

Contact us

Our specialists are here to guide you in selecting the right TEM for your needs. Reach out to learn which HT7800 model is best for you: The HT7800, HT7820, or HT7830. You'll learn how each can enhance your lab's imaging capabilities, streamline workflows, and support your scientific or industrial applications.

Speak to an expert