- Get exacting performance that meets American Gas Association (AGA) standards
- Static pen's intense black ink reduces time spent retracing
- Bias-cut pen nib covering provides enhanced visibility while arcing and setting time lags
- All-temperature ink ensures a solid trace in all climates
- Calibrate pen arrays to a 15-minute time lag between static and differential on the Zero Line of a 24 hour chart
- Scannable pens produce broader lines for reliable scanner processing
- Fine-point pens produce thinner lines allowing integrator operators to trace gas flows more accurately