Why order the SK401 from LabSupplies.com
Natural Convection Dry Sterilizer 99L Overview
Two voltage configurations are offered, 115V and 220V, so the sterilizer matches your facility power. Yamato lists external dimensions (W × D × H) of 560 × 600 × 820 mm (22.0 × 23.6 × 32.3 in); packed for shipping it measures 36 × 36 × 42 in at 195 lb. Manufactured in Japan, the SK401 is backed by Yamato's ISO 9001:2015 and ISO 14001:2015 certified production.
Key Features
- Independent overheat prevention: a dedicated safety device protects the chamber separately from the primary controller.
- High-precision controller: improved display visibility and operability with calibration off-set, lock function, and power recovery mode.
- Operational monitoring: tracks power-on and operation time accumulation, calendar time, accumulated power consumption, total CO₂ emission, and heat output.
- Operator data management: save and access operator setting information directly from the controller.
How to Choose the Right Sterilizer / Autoclave
Selecting a dry-heat sterilizer comes down to matching chamber size, temperature capability, control sophistication, and site power to your throughput and validation needs. Use these axes to confirm the SK401 fits your workflow.
- Voltage: confirm whether your facility supplies 115V or 220V before ordering, since the model is offered in both.
- Footprint and weight: Yamato lists external dimensions (W × D × H) of 560 × 600 × 820 mm (22.0 × 23.6 × 32.3 in); packed for shipping it measures 36 × 36 × 42 in at 195 lb.
Specifications
| Specification | Detail |
|---|---|
| Capacity | 99 L |
| Max Temperature | 260°C |
| Voltage | 115V |
| System | Automatic high-pressure steam sterilizer |
| Temperature Control System | PID control by microprocessor |
| Interior Material | Stainless steel (SUS304) |
| Heater | 2000 W stainless steel pipe heater |
| Material | Chrome free electrogalvanized carbon steel, sheet coated w/chemical-proof baked-on finish (exterior) Stainless steel (interior) |
| Country of Origin | Japan |
| GTIN (Barcode) | 797059930845 |
| Shipping Weight | 195 lbs |
| External Dimensions (W × D × H) | 560 × 600 × 820 mm (22.0 × 23.6 × 32.3 in) |
| Shipping Dimensions (L × W × H) | 36 × 36 × 42 in |
| Component Size | 99 L |
| Warranty | 1 year (Yamato Scientific America) |
| Service | Calibration and preventive maintenance on site by Yamato-certified technicians or at Yamato's California service center |
| Temperature Setting Range | Room temp. +5~260°C |
| Safety Device | earth leakage breaker, Independent overheat prevention device |
Compare SK Series Models
| Model | Capacity | Exterior | Shipping weight |
|---|---|---|---|
| SK401 (this model) | 99 L | 560 × 600 × 820 mm (22.0 × 23.6 × 32.3 in) | 195 lbs |
| SK601 | 162 L | 710 × 650 × 870 mm (28.0 × 25.6 × 34.3 in) | 240 lbs |
| SK801 | 300 L | 710 × 650 × 1640 mm (28.0 × 25.6 × 64.6 in) | 290 lbs |
Ordering Information
| Catalog number | Configuration | GTIN / UPC |
|---|---|---|
| SK-401-115V | 115V | 797059930845 |
| SK-401-220V | 220V | 797059930852 |
| Manufacturer | Yamato Scientific |
| Manufacturer part numbers | SK-401-115V, SK-401-220V |
| UNSPSC | 42281502 — Dry heat or hot air sterilizers |
| HTS code | 8419.20.0020 |
| Export classification (ECCN) | EAR99 |
Documents & Downloads
Parts & Accessories for the SK Series
Genuine Yamato SK-series parts. Fitment is taken from each part's Yamato description.
More in This Series
- Yamato SK201C Compact Sterilizer 24L
- Yamato SK601 Natural Convection Dry Sterilizer 162L
- Yamato SK301C Compact Sterilizer 30L
- Yamato SK102C Compact Sterilizer 18L
- Yamato SM201 Sterilizer With Dryer 20L
- Yamato SM301 Sterilizer With Dryer 32L
View all Laboratory Autoclaves & Sterilizers →
Frequently Asked Questions
What is the chamber capacity and overall size?
The chamber holds 99 L. Yamato lists external dimensions (W × D × H) of 560 × 600 × 820 mm (22.0 × 23.6 × 32.3 in); packed for shipping it measures 36 × 36 × 42 in at 195 lb.
Which voltage options are available?
Two configurations are offered: 115V (SK-401-115V) and 220V (SK-401-220V). Both share the same 99 L chamber and 260°C maximum temperature; choose the option matching your facility power.
Is the SK401 programmable, and what safety features does it include?
Yes, it stores up to 99 steps and 99 patterns with repeat operation. An independent overheat prevention device protects the chamber separately from the main controller, and a data cable port enables sample data collection.
Where is the SK401 manufactured and is it certified?
It is manufactured in Japan. Production is backed by Yamato's ISO 9001:2015 and ISO 14001:2015 certifications.
Which replacement parts and accessories are listed for the Yamato SK401?
Yamato lists 3 parts for the SK Series: A990201303, A990201304 and A990201305. Each is linked with its description in the parts table on this page.
What is the difference between SK-401-115V and SK-401-220V?
SK-401-115V is the 115V configuration. SK-401-220V is the 220V configuration. Order the catalog number that matches your facility's electrical supply.
What is the UNSPSC code for the Yamato SK401?
The Yamato SK401 is classified under UNSPSC 42281502 (dry heat or hot air sterilizers).
Is there a spec sheet or brochure for the Yamato SK401?
Yes. The Yamato SK Series Dry Heat Sterilizer brochure (284 KB PDF) is linked under Documents & Downloads on this page.



