| Specification / Model NO. | GTT10 | GTT20 | GTT30 |
| Input numbers | 3, 6 channels | 3、6、12、18、24 channels | 6、12、18、24、30、36、42、48 channels |
| True universal inputs | Thermocouples:J,K,T,E,B,R,S,N,L,U,P,W5,W3,LR,A1,A2,A3,M RTD:PT50,PT100, PT200,PT500, PT1000,JPt50, JPt100, JPt200, JPt500, JPt1000,Cu10,Cu50,Cu100,Ni100,Ni200,Ni500,Ni1000 mA, V, mV | ||
| The fastest sampling rate | to reach 100 msec / dot, default setting at 1 sec / dot | ||
| Display | 4.3" TFTwide touch screen | 5.6" TFTwide touch screen | 12.1" TFTwide touch screen |
| Resolution | 480 × 272 | 640 × 480 | 1024 × 768 |
| MTFB backlight at 25°C | 30,000 hrs | 60,000 hrs | |
| RAM | 256 MB | ||
| CPU | ARM Cortex-A8, 1Ghz | ||
| Ethernet | Modbus TCP/IP | ||
| SD card Slot, USB host x 2 standard, | one USB in the front, another USB in the back | ||
| START / STOP key | to start / stop record and to turn off the display only, not recorder itself so that a quick start possible | ||
| Calibration correction | on-site calibration possible, or using handy features of Offset and Gain for correction | ||
| Multilingual | convenient for local users by offering 19 languages including English, Japanese,Danish, Italian, Polish, Russian, Dutch, Korean, Thai, Turkish, Portuguese,Chinese(simplied, traditional), French, German, Spanish, Swedish,Brazil Portuguese, Czech, other languages negotiable | ||
| Power supply | 90-250VAC or 11-36VDC | ||
| Outer dimensions (W x H x L mm) | 144 × 144 × 189 | 288 × 288 × 189 | |
| DIN Panel cutout (W x H mm) | 137 × 137 | 281 × 281 | |
| Protection | IP65front, IP20rear | ||
| Operating temperature | 0°C to 50°C | ||
| Safety standards to be available | CE, cULus, RoHS | ||