ST5 Temperature Sensor
The ST5 is a rechargeable Bluetooth LE temperature sensor with an external probe for refrigerators, freezers, and other probe-based monitoring.
The ST5 is a rechargeable Bluetooth LE temperature sensor with an external probe for refrigerators, freezers, and other probe-based monitoring.
MS2 is MOCREO’s recommended replacement for the discontinued ST5.
Core Functions
- Measures temperature through an external probe.
- Connects to an H1B or H2 Hub over Bluetooth LE.
- Uses a rechargeable battery.
Product Appearance
The diagram identifies the charging port, Setup pinhole, probe port, indicator light, and waterproof temperature probe.

Specifications
| Specification | Details |
|---|---|
| Model | ST5 |
| Wireless Protocols | Bluetooth LE |
| Wireless Range | 131 ft (40 m), line-of-sight |
| Dimensions | 2.4 × 2.4 × 0.7 in (L × W × H) |
| Weight | 83 g, including the probe |
| Battery | 3.7 V, 1800 mAh lithium battery (rechargeable) |
| Charging Input | Micro-USB, 5 V / 1 A |
| Cable Length | 4.9 ft (1.5 m) |
| Probe Size | 0.24 in (6 mm) diameter; cable cross section 4 × 1.3 mm |
| Probe Measuring Range | -40°F to 221°F (-40°C to 105°C) |
| Temperature Accuracy | ±0.9°F (±0.5°C) from 14°F to 185°F (-10°C to 85°C) |
| Water Resistance | External probe is waterproof; sensor body is not waterproof |
Connection and Compatibility
Compatible with H1B and H2 in the Sensor System.
Production status: Discontinued.