12” Circular Chart Recorders
July 23, 2026Deadline Anchor Model: MA40FS
July 23, 202612” Circular Chart Recorders
July 23, 2026Deadline Anchor Model: MA40FS
July 23, 2026Pressure Indicator Systems
Torque Indicator Systems
Weight Indicator Systems
- Anchor Type Weight Indicator Systems
- Clipper/Deflection Indicator Systems
- Mini & Super Mini Indicator Systems
- Integrated Pad Type Weight Indicator Systems
- Non-Integrated Pad Type Weight Indicator Systems
- Bulk Tank / Surge Can Indicator Systems
- Totalizer Indicator Systems
- Wireline Indicator Systems
- E-line Indicator Systems
- Snubbing/Differential Indicators
- Coil Tubing Indicator Systems
- Crane Weight / Radius Indicator Systems
Electronics
- Electronic Rig Monitoring Systems
- Mud Flow Sensors
- Electronic Ton-Mile Systems
- Electronic Crown Protector Systems
- Electronic Well Service Rig Weight Indicators
- Pump Stroke Counters
- RPM/SPM Tachometer Systems
- Electric Rotary Torque ERT Systems
- Electronic Deadline Sensors
- Pressure Transducers
- Proximity Sensor Systems
- Electronic Pressure Gauges (E-Gauges)
- Shaft Encoders
- Choke Position Indicator System
Deadline Anchors
Matherne Instrumentation’s “HD” Heavy-duty line of chart recorders are an accurate and reliable means for the measurement and recording of pressure in a variety of applications.
The HD chart recorder is in a rugged, crush-proof, polypropylene case with a hinged door providing access for chart changes and calibration adjustments. It is highly resistant to weathering and easily connects to the system or transmitter through fittings on the back of the case.
The standard 12” model, as well as the compact 8” model, are available as a single or dual pen unit and can use any combination of pressure measuring helical elements.
FEATURES:
- Wall mounting, pipe mounting or portable variations
- Available in 1 or 2 pen versions.
- Available with either a battery operated electrical clock or spring winding manual clock
- Can be calibrated for use up to 30,000 psi.
- Highly accurate, calibrated to within +/-0.5% of full scale accuracy
ORDERING SPECIFICATIONS:
- Size of Recorder: 8” or 12”
- Number of pressure functions: 1 or 2 pens
- Type of clock: Battery or Manual Winding
- Speed of clock
- Mounting requirements: Wall, Pipe or Portable
- Length of Hose (if required)
- Type of Sensor (if required)



