
Model 202N NACE Sour Gas Chart Recorder
A 12-inch DP chart recorder designed to measure flow, static pressure and temperature in sour gas (H2S) applications, meeting NACE requirements.

The 202N is a 12-inch chart recorder engineered for flow, static pressure and temperature measurement in sour gas service. It meets NACE requirements for H2S environments per MR-01-75 (1991 Revision) for standard working pressures up to 2000 psi (138 bar); higher ranges are served by the optional NACE version of the M202E.
The 202N is actuated by BARTON's M199 NACE DPU, with static pressure measured by precision-wound K-monel helical-type elements for reliable performance in corrosive conditions.
- NACE-compliant per MR-01-75 (1991 Revision) for H2S service
- Measures flow, static pressure and temperature
- Actuated by BARTON M199 NACE DPU
- K-monel helical elements for static pressure measurement
- 12-inch chart for clear long-term records
- Designed for standard working pressures up to 2000 psi (138 bar)
- Sour gas (H2S) production and gathering
- Upstream and midstream oil and gas
- Wellhead flow and pressure monitoring
- Corrosive process environments
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