- Built-in high-precision temperature and humidity sensor, with compact design
- Support USB, RS232/485, LAN, wireless and other communication interfaces
- High definition, wide viewing angle, wide temperature LCD display
- Support online single-point and multi-point calibration
- Suitable for medical and health / electronic manufacturing / biochemical laboratories / museums and other fields

Temperature and humidity loggers

a low-power digital instrument integrating signal acquisition, display, storage and analysis.


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Ultra-low power consumption, energy saving and environmental protection
The DSR-TH (Pro) recorder operates at up to 0.18mW in standby mode. |
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Clearer and wider working temperature LCD display
FSTN technology provides a viewing range of up to 170°, allowing users to get a clear and bright digital display from any Angle. |
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Professional and flexible electrical design
The active source and communication interface 5-24V wide voltage input polarity automatically differ |
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Safer design, strict EMC test
DSR-THhas passed CE, FCC certification, and strictly implements RoHS standards. |
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Typical application scenario

Suitable for medical and health / electronic manufacturing / biochemical
laboratories / museums and other fields


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Dimensions 123×117.3×33.4mm |

| Measuring data | ||
| T measuring range |
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-30℃~70℃ |
| T accuracy | ±0.2℃(23℃±2℃), full scale ±0.3℃ | |
| T resolution | 0.1℃/0.2℉ | |
| RH measuring range | 0%~100%RH | |
| RH accuracy | ±0.8%RH(40%~60%RH)/other range ±1.5%RH(Testing Environment 23°C±2°C) | |
| RH resolution | 0.1%RH |

| General parameters | ||||
| Memory size |
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10,918[A] / 21,840[B] / 180,000[C] / 360,000[D]values | ||
| Alarm | High level and low level, display+beep+backlight | |||
| Sampling interval | 2s,5s,10s,30s,60s,255s | |||
| Logging interval | 2seconds~24hours | |||
| Start with delay time | 1s~120s | |||
| Start mode | Start immediately / Time-lapse start / Timing start | |||
| End mode | Full / FIFO / Presetting units / Timing end | |||
| Timing start / end | Random start / End with format YYMMDD HHMMSS | |||
| T storage | -50℃~90℃ | |||
| Interface | RS232 / RS485[R] / USB[U] / LAN[L] / Wireless [W,B,Z,F,G] | |||
| Battery | 3.6V lithium battery ×1 | |||
| Battery lifetime | Typical 1year (with a sample rate of 10 seconds),5 years (in sleep mode) | |||
| Rtc battery | CR2032 | |||
| Clock accuracy | <12 mins/year | |||
| External voltage | 5~24VV DC | |||
| Software | ANALYSIS | |||
| IP class | IP54 |

| Sensing probe | ||
| Model | Original temperature and humidity probe | |
| Dimensions | Φ15×82.5mm |