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| Origin | Germany |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | testo 625 |
| Price Range | USD 1–4,999 |
| Instrument Type | General-Purpose Temperature & Humidity Meter |
| Temperature Range | −10 to +60 °C |
| Temperature Accuracy | ±0.5 °C |
| Temperature Resolution | 0.1 °C |
| Operating Ambient Temperature | −20 to +50 °C |
| Display | Digital LCD |
| Power Supply | 9 V battery |
| Dimensions | 182 × 64 × 40 mm |
| Weight | 195 g |
| Relative Humidity Range | 0–100 %RH |
| RH Accuracy | ±2.5 %RH (5–95 %RH) |
| RH Resolution | 0.1 %RH |
| Storage Temperature | −40 to +70 °C |
| Battery Life | ~70 h |
| Housing Material | ABS |
| Origin | Beijing |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | YWSD70/100 |
| Price Range | USD 0.15–720 |
| Instrument Type | Specialized Environmental Monitoring Device for Hazardous Locations |
| Temperature Range | −30 °C to +70 °C |
| Temperature Accuracy | ±1.0 °C (−30 °C to 0 °C) |
| Relative Humidity Range | 0–100 %RH |
| RH Accuracy | ±2.5 %RH (10–90 %RH) |
| Resolution | 0.01 °C / 0.01 %RH |
| Operating Ambient Temperature | −20 °C to +50 °C |
| Display | Backlit 4½-digit dual-parameter LCD |
| Power Supply | 9 V alkaline battery (typical operating current ≤20 mA |
| Dimensions | 225 × 45 × 34 mm |
| Weight | 200 g |
| Ingress Protection | IP54 |
| Explosion Protection Mark | Exib I Mb |
| Data Logging Endurance | ≥10,000 write/erase cycles |
| Humidity Response Time | ≤10 s (at 90 %RH, 25 °C, still air) |
| Sampling Interval | <500 ms |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | YWSD50/100(A) |
| Temperature Range | −30 °C to 100 °C |
| Relative Humidity Range | 0–100 %RH |
| Temperature Accuracy | ±0.5 °C (−30 to 0 °C), ±1.0 °C (0 to 100 °C) |
| RH Accuracy | ±2.0 %RH (10–90 %RH), ±3.0 %RH (<10 %RH or >90 %RH) |
| Dew Point Accuracy | ±0.5 °C |
| Wet-Bulb Accuracy | ±0.5 °C |
| Resolution | 0.01 °C / 0.01 %RH |
| Response Time (RH) | ≤10 s (at 90 %RH, 25 °C, still air) |
| Sampling Rate | 400 ms |
| Display | 4½-digit backlit dual LCD |
| Power Supply | 9 V alkaline battery (current draw ≤20 mA) |
| Operating Ambient Temperature | −20 °C to +50 °C |
| Enclosure Rating | IP54 |
| Explosion Protection Mark | Exib I Mb |
| Certified Standards | MA Safety Certification for Coal Mines, CNEX Explosion-Proof Certificate, Third-Party Verification Report |
| Dimensions | 225 × 45 × 34 mm |
| Weight | 200 g |
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