| Range - Leaded sensor | -40°C to 125°C (-40°F to 257°F) |
| Range - Non-leaded sensor | - ALTA Commercial: 10°C to 50°C (50°F to 122°F)
- ALTA Enterprise: -18°C to 55°C (-4°F to 122°F) using alkaline batteries
- ALTA Industrial: -40°C to 85°C (-40°F to 185°F)
|
| Accuracy / 25°C (77°F) | ± 1°C (±1.8°F) |
| Calibrated Accuracy | ± 0.25°C (± 0.45°F) |
| Resolution | 0.1°C (0.18°F) |
| Response Time | 50 seconds (10 second time constant) |
| Leaded Probe - Transducer Type | 10 KOhm NTC Thermistor (β = 3455 K) |
| Tip Dimension | 5.00 mm (0.197") diameter by 35 mm (1.38") |
| Tip Material | Type 304 stainless steel |
| Cable Material | Waterproof high-temperature ABS with EMF shielding |
| Cable Diameter | 3.45 mm (0.136") |
| Cable Length | - Standard: 0.9m (3')
- Optional: 1.5m (5'), 3m (10'), 7.5m (25'), 50m (50'), 30m (100')
|
| Wireless Data Logging | Logs 2000 to 4000 readings if gateway connection is lost (non-volatile flash, persists through power cycling) |
| Wireless Protocol | ALTA Proprietary Frequency-Hopping Spread Spectrum (FHSS) |
| Wireless Transmission Power (EIRP) | 50 mW (900MHz), 25 mW (868 MHz), 10 mW (433 MHz) |
| Wireless Range | 2,000+ ft. through 18+ walls with ALTA XL Gateway |
| Security | Encrypt-RF (256-bit key exchange and AES-128 CTR) |
| Battery Voltage Range | 2.0 to 3.8 VDC |
| Operating Altitude | -15.2 to 1,982 m (-50 to 6,500 ft) |
| Storage Altitude | -15.2 to 3,048 m (-50 to 10,000 ft) |
| Operating Humidity | 5 to 85% RH (non-condensing) |
| Battery | 1x 3.6V AA Lithium Thionyl Chloride, 1000mAh, pre-installed |
| Battery Life | 5+ years expected |
| Process Temperature Range (IECEX Probe Limit) | -40°C to 120°C (-40°F to 248°F) |
| Operating Temperature Range (Sensor Body) | 0°C to 40°C (32°F to 104°F) |
| Wireless Antenna Type | 1/4-wave, 20 gauge wire whip, 3.5" (900/868MHz), 7" (433MHz) |
| Weight | 5.6 oz. (158.7 g) - with 3 ft. (0.91 m) lead |
| Process Connection (Certified) | ¼" BPST-Male Standard |