Products Description
MSA PrimaX I Transmitter

Core Performance & Industrial Application
The MSA Safety 10112271 is a PrimaX I fixed gas transmitter for toxic gases and oxygen, with plug-in replaceable sensor and plain-text LCD.
4-20 mA output (max 300 Ω load), optional HART digital communication; SIL2; anti-static reinforced nylon IP66 housing with integral mounting plate.
Supply 19.2-28 VDC (24 VDC nominal), ~0.7 W typical; 2-wire loop; operating -40℃ ~ +70℃, 15-90% RH non-condensing, 80-120 kPa.
It monitors toxic/O2 concentration in chemical, power and laboratory gas-detection loops as spare replacement.
Technical Specifications
▶ Product type: Fixed toxic/O2 gas transmitter
▶ Brand: MSA Safety
▶ Model: PrimaX I; P/N 10112271
▶ Output: 4-20 mA (≤300 Ω); HART optional; SIL2
▶ Supply: 19.2-28 VDC (24 VDC); ~0.7 W; 2-wire
▶ Environment: -40℃ ~ +70℃; 15-90% RH; 80-120 kPa; IP66
▶ Sensor: Plug-in replaceable; LCD plain-text display; LED status
▶ Feature: Local keypad calibration, quick-release connector
▶ Note: Target gas, measurement range and sensor type confirmed from nameplate before ordering
▶ Country of origin: USA
▶ Compliance: CE, ATEX/IECEx, SIL2 certification

Industry Applications
Applied in fixed toxic gas and oxygen monitoring loops for chemical plant, power plant and laboratory gas detection spare replacement.
Note: Confirm target gas, range and sensor element against nameplate before ordering