| Model | GTST-768 | GTST-1000 | GTST-1050 | GTST-2250 | | Internal Dim. W×H×D(㎝) | 120 x 80 x 80 | 100 x 100 x 100 | 150 x 70 x 100 | 150 x 100 x 150 | | External Dim. W×H×D(㎝) | 255 x 249 x 258 | 245 x 248 x 250 | 245 x 227 x 330 | 300 x 229 x 360 | | High Temp. Range | +80℃ ~ +200℃ | | Low Temp. Range | -10℃ ~ -60℃ | | Test Temp. Range | +60℃ ~ +150℃ ， -10℃ ~ -40℃ | 
| Temp. Constancy | ±0.5℃ | | Temp. Recover Time | 5 min | 
| Exterior | Stainless Steel Plate + Powder Coated | | Interior | SUS#304 Stainless Steel Plate | | Insulation Mirco | PU & Fiberglass wool | | Micro Controller | CLCD-9800 | | Power Source | AC 3ψ 220V / 380V , 50Hz / 60Hz |
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