- Measuring range -40°C~100°C, 0%~100%RH
- Measuring accuracy ±0.1°C, ±1.5%RH
- Long-term stability <0.1°C/Year, <1%RH/year
- Support 6 channels of temp & RH sensors at most
- Support communication via RS232/RS485, USB, LAN
- Built-in battery can continuously work for 12 hours

High precision hygrometer
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HM2000 is a high precision temperature and humidity meter, mainly used for reading and analyzing the value of humidity sensor in temperature and humidity test. Two front and four post channels of probe interfaces are switchable. HM2000 is a cost-effective reference hygrometer and an ideal laboratory standard reference.
- Measuring range -40°C~100°C, 0%~100%RH |

Physical Photo
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Functions and Features
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Measurement
- TMeasuring Range-40℃~100℃ - T Measuring Accuracy ±0.1℃ - RH Measuring Range 0%~100%RH - RH Measuring Accuracy±1.5%RH |
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Stability
- Temperature Long-Term Stability <0.1℃/Year - Humidity Long-Term Stability<1%RH/Year |
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Calibration
- SupportT & RH Field Calibration - Support Calibration Expired reminder |
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Display
- Highlight OLED display for indoor andoutdoor use |
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Logging
- Internal 8000 units of measuring data memory - Support external USB flash disk to export data |
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Probe
- Support measurement with 6 channels ofprobes at most |
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Communication
- Support RS232/RS485,USB,LANcommunication interface |
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Power supply
- 100~240VAC universalinput |

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Dimensions:215×91×313.5mm Weight:3.5kg Operating environment: 10~40℃ ,10%~95%RH(No condensation) EMC:EN 50081-1 Class B, EN 50082-1 Class B |

| T specification | ||
| T measuring range | -40℃~100℃ | |
| T measuring accuracy | ±0.1℃(-20℃~40℃) | |
| T resolution | 0.01℃ | |
| Long-term stability | < 0.1℃/year |
| RH specification | ||
| RH measuring range | 0%~100%RH | |
| RH measuring accuracy | ±1.5%RH, High Accuracy Type, ±0.5%RH (15~85%RH), Testing Environment (23°C±2°C) | |
| RH resolution | 0.02%RH | |
| Long-term stability | <1%RH/year | |
| General specification | ||
| Measurement cycle | Two channels 2 seconds | |
| Display unit | ℃、℉、%RH、g/m³ | |
| Logging interval | 1 second~24 hours | |
| Maximum logging data | Internal 8000 units, external USB Flash disk | |
| Probe port | 4-core wire special socket | |
| Measurement calibration | Fixed point calibration, linear calibration | |
| Interface | RS232/485, USB, Ethernet (LAN),Web Service | |
| Operating environment | 10°C~40°C ,10%~95%RH (No condensation) | |
| Storage environment | -20°C~70°C, 10%~95%RH (No condensation) | |
| AC power | 100~240VAC 0.5A,50~60Hz | |
| Battery | 7.4V 2600mAh, lithium polymer battery | |
| Battery runtime | 12 hrs (Continuous work) | |
| EMC | EN 50081-1 Class B EN 50082-1 Class B | |
| ESD protection | ±25KV | |
| Dimensions | 215mm×91mm×313.5mm | |
| Weight | 3.5kg | |
| Certificate | CE, FCC, VCCI, C-TICK |