MadgeTech QuadRTD Temperature Data Logger
MadgeTech QuadRTD: 4-ch RTD logger; −200…+850 °C; ±0.1 °C; 21,845/ch. RFQ.
RFQ cart holds BOM lines only. Submit for engineering quote.
Key parameters
Fits multi-channel RTD temperature logging where you need a MadgeTech QuadRTD. Four-channel battery-powered RTD logger with 2/3/4-wire screw-terminal inputs, −200 °C to +850 °C (ideal 100 Ω Pt IEC 751), resolution 0.01 °C, calibrated accuracy ±0.1 °C at 25 °C ambient, 21,845 readings per channel (87,380 total), rates from every 2 s to every 12 h, and about 1-year typical 9 V battery life. Note OEM status: order 901326-00; superseded by RTDTempX.
Key advantages
- Channels — 4× RTD (2/3/4-wire)
- Range — −200…+850 °C
- Accuracy — ±0.1 °C at 25 °C ambient
- Memory — 21,845 readings/channel
- Resolution — 0.01 °C
Typical applications
- Multi-point RTD logging.
- Process temperature surveys.
- Lab thermal profiles.
Selection guide
- Wire config
- Sample rate
- Successor RTDTempX if needed
Common mistakes
- Ignoring superseded status.
- Wrong RTD type.
- Battery life vs rate.
When to RFQ / what to tell us
- Config/options or successor.
- Quantity, ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 35195 |
| Brand | MadgeTech |
| Model | QuadRTD Temperature Data Logger |
| Product type | Temperature Data Logger |
| Type | MadgeTech QuadRTD 4-channel battery-powered RTD temperature data logger (order 901326-00; superseded by RTDTempX) |
| Channels | 4 channels; 2/3/4-wire RTD screw-terminal inputs |
| Temperature range | -200 C to +850 C (ideal 100 ohm Pt RTD IEC 751) |
| Resolution | 0.01 C |
| Calibrated accuracy | +/-0.1 C at 25 C ambient (standard MadgeTech calibration) |
| Memory | 21,845 readings per channel (87,380 total) |
| Reading rate | 1 reading every 2 seconds up to 1 reading every 12 hours |
| Battery | 9 V lithium or alkaline; about 1 year typical life |
Documents
FAQ
Q: Channels? A: 4.
Q: Memory? A: 21,845 readings/channel.
Q: What should I send for a quote? A: Config/options or successor, quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Type | MadgeTech QuadRTD 4-channel battery-powered RTD temperature data logger (order 901326-00; superseded by RTDTempX) |
| Channels | 4 channels; 2/3/4-wire RTD screw-terminal inputs |
| Temperature Range | -200 C to +850 C (ideal 100 ohm Pt RTD IEC 751) |
| Resolution | 0.01 C |
| Calibrated Accuracy | +/-0.1 C at 25 C ambient (standard MadgeTech calibration) |
| Memory | 21,845 readings per channel (87,380 total) |
| Reading Rate | 1 reading every 2 seconds up to 1 reading every 12 hours |
| Battery | 9 V lithium or alkaline; about 1 year typical life |
| Interface | PC serial or USB via interface cable; 2400 baud |
| Operating Environment | -20 C to +60 C; 0-95 %RH non-condensing |
| Dimensions Weight | 3.5 x 4.4 x 1.0 in (89 x 112 x 26 mm); 11.9 oz (335 g) |
| Document | MadgeTech QuadRTD Specification Sheet (madgetech.com wp-content 2025/05/quadrtd_ds.pdf) |