ZLS Corporation’s facility is equipped to service and repair L&R land and ZLS upgraded Air/Sea meters. Repair of L&R gravity meters is quoted at a fixed rate per hour for labor, plus parts. Servicing of gravity meters is quoted at a fixed price according to meter type.
Service of L&R Gravity Meters
Minor Service for L&R Land and Earth Tide Meters (every 3 to 5 years)
This service is recommended for L&R land and earth tide meters that have been serviced by ZLS within the last 3 to 5 years. Turnaround time is usually two to four weeks but varies depending on the work load at ZLS. Repairs if necessary are quoted at a fixed rate per hour for labor, plus parts. Minor service includes the following:
- Set levels
- Meter testing and evaluation
- Changing of seals
- Adjust sensor to factory specifications
- Additional meter testing2-day leak test minimum
- Backfill sensor with dry nitrogen
- Seal sensor
- Field/calibration check
- Package for shipment
Major Service for L&R Land and Earth Tide Meters (every 5 to 10 years)
This service is recommended for L&R land and earth tide meters that have not been serviced by ZLS. The service is also recommend for meters that have been serviced by ZLS within the last 5 to 10 years. Turnaround time is usually four to six weeks but varies depending on the work load at ZLS. Repairs if necessary are quoted at a fixed rate per hour for labor, plus parts. Major service includes the following:
- Set levels
- Meter testing and evaluation
- Cleaning of sensor
- Gear-box cleaning, changing of bearings and re-lubricating
- Changing of seals
- Adjust sensor to factory specifications
- Additional meter testing2-day leak test minimum
- Backfill sensor with dry nitrogen
- Seal sensor
- Field/calibration check
- Package for shipment
Service of ZLS Upgraded L&R S Meters
Minor S-Meter Sensor Service (every 3 to 5 years)
ZLS UltraSys™ Upgraded L&R S-Meters Only
This service is recommended for ZLS upgraded S-Meters that have been upgraded or serviced by ZLS within the last 3 to 5 years. Turnaround time is usually two to four weeks but varies depending on the work load at ZLS. Repairs if necessary are quoted at a fixed rate per hour for labor, plus parts. ZLS Upgraded S – Meter Minor service includes the following:
- Set levels
- Static meter testing and evaluation
- Changing of seals
- Adjust sensor to factory specifications
- Additional meter testing
- Leak test
- Backfill sensor with dry nitrogen
- Seal sensor
- Package for shipment
Major S-Meter Sensor Service (every 5 to 10 years)
ZLS UltraSys™ Upgraded L&R S-Meters Only
This service is recommended for ZLS upgraded S -Meters that have been upgraded or serviced by ZLS within the last 5 to 10 years. Turnaround time is usually four to six weeks* but varies depending on the work load at ZLS. Repairs if necessary are quoted at a fixed rate per hour for labor, plus parts. ZLS Upgraded S – Meter Major service includes the following:
- Set levels
- Meter testing, both static and dynamic, and evaluation
- Cleaning of sensor
- Gear-box cleaning, changing of bearings, and re-lubricating
- Changing of seals
- Adjust sensor to factory specifications
- Adjust dampers for optimal cross-coupling
- Additional meter testing, both static and dynamic
- Leak test
- Backfill sensor with dry nitrogen
- Seal sensor
- Package for shipment
*Turnaround time is dependent on the extent of damper adjustments.
S-Meter is a gravity meter model of LaCoste & Romberg Gravity Meters, Inc.
The following are trademarks or registered trademarks of their respective companies or organizations:
UltraSys™, ZLS Logo / ZLS Corporation