NEO-1P is a submersible temperature sensor and data logger with a 39-inch cable and 2.75-inch stainless steel probe that wirelessly monitors temperature for up to 3+ years on battery power. Ideal for cold chain, freezers, greenhouses, RVs, food, and pharmaceuticals.
Probe-measured from -40°F to 212°F (-40°C to 100°C). ±0.2°C accuracy across 0–90°C.
39-inch cable with 2.75-inch stainless steel probe. Probe goes in liquids; sensor body stays dry.
Upgradable to iMatrix Massive Mesh for networks of hundreds or thousands of sensors.
Over-the-air firmware updates via the Micro Gateway — no physical handling required.
Stores up to 6 months of data on-device. Backfills to iMatrix Cloud when reconnected.
2 × high-performance lithium AAA (1100 mAh). Adjustable reading cadence trades battery for granularity.
| Device type | Temperature sensor with external probe |
|---|---|
| Measures | Temperature |
| Temperature range | -40°F to 212°F (-40°C to 100°C) |
| Temp accuracy | ±0.2°C @ 0–90°C typical |
| Body dimensions | 2.78 × 1.5 × 0.7 in (70.6 × 38 × 17.8 mm) |
| Probe length | 2.75 in (7 cm) stainless steel |
| Probe cable length | 39 in (99 cm) |
| Weight | 2.33 oz (66 g) with probe |
| Waterproof rating | IP66 (body); submersible probe |
| Network type | Bluetooth Low Energy |
| BLE certification | Bluetooth Cert (EPL 0.3.2019) |
| Broadcasting range | 328 ft (100 m) |
| Tx Power | 4 dBm |
| On-device storage | 100,000 readings |
| Power | 2 × high-performance lithium AAA (1100 mAh) |
| Battery life | Up to 3+ years |
| Features | BLE-based · measures, stores, uploads temperature · 6 months on-device logging · Massive-Mesh upgradable |
| Certifications | CE · FCC |
We recommend the iMatrix Micro Gateway to automatically scan, connect, and send NEO-1P data to the cloud. For massive networks, upgrade to the Series-1 Gateway.
Freezer cores, meat storage, and TCS food safety — probe reaches places a body sensor can't.
Tank temperature monitoring for fish, shrimp, and hydroponic systems. Submersible probe.
Plasma, whole blood, and tissue storage with probe in the fluid for true core temperature.
Calibrate via the mobile app — note the current reading, then enter a known value (e.g., ice water = 32°F) in the second field.
Use a 50/50 ice/water mixture at 32°F (0°C). The probe reading should match within specified tolerance.
Scan the QR code on the sensor back or add it by serial number. Guest mode is also supported.
Only the extension probe may be placed in liquids. The sensor body itself should NOT be submerged.
Adjustable from seconds to once per day. More frequent readings drain battery faster.
Yes. The sensor transmits via Bluetooth to a gateway and uploads to iMatrix Cloud.