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Extech
Extech RH550 Humidity/Temperature Chart Recorder
Quote on request
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Extech RH550: RH 10–95% ±2.5%; 7 in TFT; 16 GB; to 20k CSV; dual T probes. RFQ.
Download datasheet PDF
RFQ cart holds BOM lines only. Submit for engineering quote.
Key parameters
Display
7 in (178 mm) color TFT touch-screen 1024×600 with zoom and screen capture
Relative Humidity
10% to 95% RH; resolution 0.1% RH; accuracy ±2.5% RH
Temperature Probe On Tablet
14 to 104 °F (−10 to 40 °C); resolution 0.1°; accuracy ±0.9 °F (±0.5 °C)
Temperature Probe On Cable
−4 to 176 °F (−20 to 80 °C); resolution 0.1°; accuracy ±0.9 °F (±0.5 °C)
Dew Point
Calculated −4 to 176 °F (−20 to 80 °C); resolution 0.1°
Memory
Internal 16 GB; up to 20,000 CSV data points via USB
Fits humidity/temperature chart recording where you need an Extech RH550. Recorder with 10–95% RH (±2.5% RH), tablet probe 14–104 °F and cable probe −4–176 °F (±0.9 °F), calculated dew point, 7 in color TFT touch-screen, internal 16 GB memory and up to 20,000 CSV points via USB.
Key advantages
- RH — 10–95%; ±2.5% RH
- Temperature — Tablet and cable probes
- Display — 7 in TFT touch; zoom/capture
- Memory — 16 GB internal; to 20k CSV
- Dew point — Calculated −4…176 °F
Typical applications
- Lab RH charting.
- Storage / cleanroom logging.
- Facility humidity records.
Selection guide
- Probe placement
- Log interval
- USB export workflow
Common mistakes
- Condensing RH.
- Wrong probe for range.
- Ignoring ±2.5% RH.
When to RFQ / what to tell us
- Kit contents.
- Quantity, ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 47459 |
| Brand | Extech |
| Model | RH550 Humidity/Temperature Chart Recorder |
| Product type | Humidity Chart Recorder |
| Relative humidity | 10% to 95% RH; resolution 0.1% RH; accuracy ±2.5% RH |
| Temperature probe on tablet | 14 to 104 °F (−10 to 40 °C); resolution 0.1°; accuracy ±0.9 °F (±0.5 °C) |
| Temperature probe on cable | −4 to 176 °F (−20 to 80 °C); resolution 0.1°; accuracy ±0.9 °F (±0.5 °C) |
| Dew point | Calculated −4 to 176 °F (−20 to 80 °C); resolution 0.1° |
| Display | 7 in (178 mm) color TFT touch-screen 1024×600 with zoom and screen capture |
| Memory | Internal 16 GB; up to 20,000 CSV data points via USB |
Documents
FAQ
Q: RH accuracy? A: ±2.5% RH.
Q: Memory? A: 16 GB; to 20,000 CSV points.
Q: What should I send for a quote? A: Kit contents, quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Display | 7 in (178 mm) color TFT touch-screen 1024×600 with zoom and screen capture |
| Relative Humidity | 10% to 95% RH; resolution 0.1% RH; accuracy ±2.5% RH |
| Temperature Probe On Tablet | 14 to 104 °F (−10 to 40 °C); resolution 0.1°; accuracy ±0.9 °F (±0.5 °C) |
| Temperature Probe On Cable | −4 to 176 °F (−20 to 80 °C); resolution 0.1°; accuracy ±0.9 °F (±0.5 °C) |
| Dew Point | Calculated −4 to 176 °F (−20 to 80 °C); resolution 0.1° |
| Memory | Internal 16 GB; up to 20,000 CSV data points via USB |
| Sample Rate | 1 second to 24 hours user selectable |
| Alarms | Audible and visual Hi/Low set points; history recall |
| Probe | Field-replaceable RH550-P; clip-on or up to ~6.5 ft (2 m) via RH550-C (up to 3 cables series) |
| Power | Internal rechargeable Li-Polymer + universal multi-plug adaptor |
| Dimensions Tablet | 7.8 × 4.6 × 1 in (198 × 118 × 25.7 mm) |
| Weight Tablet | 12.9 oz (365 g); with probe+cable 15 oz (425 g) |