| ENERGY STAR Partner |
| Standex Scientific Solutions |
Standex Scientific Solutions |
| Product Category |
| Lab Grade Refrigerators and Freezers |
Lab Grade Refrigerators and Freezers |
| Type |
| High Performance Refrigerator |
General Purpose Refrigerator |
| Brand Name |
| Nor-Lake Scientific |
Nor-Lake Scientific |
| Model Name |
| NSWDRNSF231WWS/0 |
White Diamond Series |
| Model Number |
| NSWDRNSF231WWS/0 |
PR051SSSLH/0 |
| Date Available On Market |
| June 1, 2020 |
July 1, 2016 |
| Date Certified |
| November 7, 2023 |
September 28, 2018 |
| Markets |
| United States |
United States, Canada |
| CB Model Identifier |
| ES_1141452_NSWDRNSF231WWS/0_09122023161451_4360330 |
ES_1141452_PR051SSSLH/0_10122018132420_0660668 |
| Meets ENERGY STAR Most Efficient 2024 Criteria |
| No |
No |
| Product Type |
| High Performance Refrigerator |
General Purpose Refrigerator |
| Product Form Factor |
| Upright |
Upright |
| Number of glass doors |
| 1 |
0 |
| Number of solid doors |
| 0 |
1 |
| Total Number of Doors |
| 1 |
1 |
| Door Opening Orientation |
| Swinging |
Right,Swinging |
| Number of Internal Ports and/or Access Holes |
| 1 |
1 |
| Number of Drawers or Shelves |
| 3 |
3 |
| Defrost Type |
| Automatic |
Manual |
| Refrigerant Type |
| R-290 |
R-600a |
| Refrigerant with GWP |
| R-290 (GWP:3 | Lower GWP) |
R-600a (GWP:3) |
| Total Volume |
| 18 cu. ft. / 0.51 cu. m. |
3.56 cu. ft. / 0.10 cu. m. |
| Average Test Cabinet (ºC) |
| 3 |
3.91 |
| Peak Temperature Variance (ºC) |
| 4 |
6.21 |
| Lab Grade Refrigerator or Freezer Energy Consumption (kWh/day) |
| 1 |
1.15 |
| Steady State Energy Consumption (kWh/day) |
| 1.200 kWh/day |
1.100 kWh/day |
| Maximum Daily Energy Allowance (kWh/day) |
| 7 |
2.44 |
| Depth |
| 34 inches / 86.36 cm |
23.25 inches / 59.05 cm |
| Height |
| 78 |
32.25 |
| Width |
| 27 |
23.25 |
| Installed Accessories |
| Yes |
Door Lock, Temperature Monitor, 139 |
| Date Qualified |
| November 7, 2023 |
September 28, 2018 |
