| 64 MAX | 62 MAX+ | 62 MAX |
| Temperature range | - 30 °C to 600 °C (-22 °F to 1112 °F) | - 30 °C to 650 °C (-22 °F to 1202 °F) | - 30 °C to 500 °C (-22 °F to 932 °F) |
| Accuracy (Calibration geometry with ambient temperature 23 °C +/- 2 °C) | ± 1.0 °C or ± 1.0 % of reading, whichever is greater | ± 1.0 °C or ± 1.0 % of reading, whichever is greater | ± 1.5 °C or ± 1.5 % of reading, whichever is greater |
| ± 2.0 °C at -10 °C to 0 °C | ± 2.0 °C at -10 °C to 0 °C | ± 2.0 °C at -10 °C to 0 °C |
| ± 3.0 °C at -30 °C to -10 °C | ± 3.0 °C at -30 °C to -10 °C | ± 3.0 °C at -30 °C to -10 °C |
| Optical resolution | 20:1 (calculated at 90 % energy) | 12:1 (calculated at 90 % energy) | 10:1 (calculated at 90 % energy) |
| Response time (95 %) | < 500 ms (95 % of reading) | < 300 ms (95 % of reading) | < 500 ms (95 % of reading) |
| Spectral response | 8 to 14 microns | 8 to 14 microns | 8 to 14 microns |
| Emissivity | 0.10 to 1.00 | 0.10 to 1.00 | 0.10 to 1.00 |
| Display resolution | 0.1 °C (0.2 °F) | 0.1 °C (0.2 °F) | 0.1 °C (0.2 °F) |
| Repeatability (% of reading) | ± 0.5 % of reading or ± 0.5 °C (whichever is greater) | ± 0.5 % of reading or ± 0.5 °C (whichever is greater) | ± 0.8 % of reading or ± 1 °C (whichever is greater) |
| Auto Capture | Set time and interval to capture up to 99 measurements | - | - |
| Internal memory | 99 data point logging capability | - | - |
| Flashlight | | - | - |
| Power | 1 AA alkaline battery | 1 AA alkaline battery | 1 AA alkaline battery |
| Battery life | 30 hours with laser and backlight on | 8 hours with laser and backlight on | 10 hours with laser and backlight on |
| Weight | 255 g | 255 g | 255 g |
| Size | (175 x 85 x 75) mm | (6.88 x 3.34 x 2.95) inches | |
| Operating temperature | 0 °C to 50 °C (32 °F to 122°F) | 0 °C to 50 °C (32 °F to 122°F) | 0 °C to 50 °C (32 °F to 122°F) |
| Storage temperature | -20 °C to 60 °C (-4 °F to 140 °F) (without battery) | -20 °C to 60 °C (-4 °F to 140 °F) (without battery) | -20 °C to 60 °C (-4 °F to 140 °F) (without battery) |
| Operating humidity | Non- condensing @ ≤ 10 °C (50 °F) | Non- condensing @ ≤ 10 °C (50 °F) | Non- condensing @ ≤ 10 °C (50 °F) |
| ≤ 90 % RH @ 10 °C (50 °F) to 30 °C (86 °F) | ≤ 90 % RH @ 10 °C (50 °F) to 30 °C (86 °F) | ≤ 90 % RH @ 10 °C (50 °F) to 30 °C (86 °F) |
| ≤ 75 % RH @ 30 °C (86 °F) to 40 °C (104 °F) | ≤ 75 % RH @ 30 °C (86 °F) to 40 °C (104 °F) | ≤ 75 % RH @ 30 °C (86 °F) to 40 °C (104 °F) |
| ≤ 45 % RH @ 40 °C (104 °F) to 50 °C (122 °F) | ≤ 45 % RH @ 40 °C (104 °F) to 50 °C (122 °F) | ≤ 45 % RH @ 40 °C (104 °F) to 50 °C (122 °F) |
| Operating altitude | 2000 meters above mean sea level | 2000 meters above mean sea level | 2000 meters above mean sea level |
| Storage altitude | 12,000 meters above mean sea level | 12,000 meters above mean sea level | 12,000 meters above mean sea level |
| Drop test | 3 meters | 3 meters | 3 meters |
| Implement standard | Q/ASF01 | Q/ASF01 | Q/ASF01 |
| Standards and agency approval | | | |
| Compliance | IEC 61010-1: Pollution Degree 2 | IEC 61010-1: Pollution Degree 2 | IEC 61010-1: Pollution Degree 2 |
| Laser safety | IEC 60825-1 Class 2, 650 nm, < 1 mW | IEC 60825-1 Class 2, 650 nm, < 1 mW | IEC 60825-1 Class 2, 650 nm, < 1 mW |
| Ingress protection rating | IP 54 per IEC 60529 | IP 54 per IEC 60529 | IP 54 per IEC 60529 |
| Warranty | 3 years | 3 years | 3 years |