Description
The 56-TR-71NW is TandD’s Ethernet-connected 2-channel temperature logger — simply connect a network cable directly to the logger, and it will automatically start uploading data to the T&D WebStorage Service cloud or an internal PC running T&D Data Server. PoE support (IEEE 802.3af) means a single cable is sufficient for both power and network connectivity.
The logger is supplied with 2 thermistor probes TR-0106 on cable — ready to be placed directly at the measurement point. The measuring range is 0 to +55 °C with standard probes, or up to -60 to +155 °C with fluoropolymer-coated alternatives. The wired Ethernet connection is advantageous in environments where WiFi coverage is absent or unreliable (basements, concrete buildings, factory floors).
Features
- 2 external thermistor probes TR-0106 included
- External probe measuring range: -60 to +155 °C (depending on probe)
- Internal probe measuring range: -40 to +110 °C
- Accuracy ±0.3 °C (-20 to 80 °C), ±0.5 °C otherwise
- Wired Ethernet 10/100 Mbps (RJ45)
- PoE IEEE 802.3af — power + network via a single cable
- HTTP (proxy supported), DHCP, DNS
- 16,000 data point memory
- 15 fixed logging intervals + 15 upload intervals (1 min to 24 h, or manual)
- Battery life up to 1.5 years at 12-h upload or OFF
- USB 2.0 Mini-B for PC configuration
- Built-in LCD with rotation of current values
Specification
| Measurement channels | Temperature 2 channels — thermistor (external, on cable) + 1 internal sensor |
|---|---|
| External measurement range | -60 to +155 °C (depending on probe) |
| Internal measurement range | -40 to +110 °C |
| Accuracy | ±0.3 °C (-20 to 80 °C), ±0.5 °C (other) |
| Resolution | 0.1 °C |
| Logging capacity | 16,000 data points |
| Network | 10 Base-T / 100 Base-TX (RJ45) |
| Protocols | HTTP (proxy supported), DHCP, DNS |
| Other interfaces | USB 2.0 Mini-B |
| Power supply | 2 × AA alkaline LR6 / Ni-MH, USB bus, AC adapter 56-AD-05A2/C2, or PoE IEEE 802.3af |
| Battery life | approx. 10 days (1 min logging), approx. 1 year (1 h logging), approx. 1.5 years (12 h / OFF) |
| Dimensions | 58 × 78 × 26 mm |
| Weight | approx. 55 g |
| Operating environment | -10 to +60 °C, max 90 % RH non-condensing |
Included
- 56-TR-71NW logger
- 2 × External temperature probe 56-TR-0106 (one per channel)
- 2 × AA alkaline batteries
- USB Mini-B cable 56-US-15C
- Registration code label for T&D WebStorage Service
- Manual set with warranty certificate
Applications
The 56-TR-71NW is suitable for fixed installations with access to the company’s Ethernet network: server rooms (PoE installation ideal), industrial environments, hospitals, laboratories, food production. For WiFi instead of LAN, see 56-TR71A2 (incl. WPA2-Enterprise and Vaccine Mode). For combined T+RH, see 56-TR-72NW. For thermocouples, see 56-TR-75NW.
