Components & Subsystems
High-pressure components, sensors & instrumentation for rock testing systems









End platens with embedded P-wave and S-wave transducers for non-invasive acoustic velocity measurement during triaxial testing.
- P-wave and S-wave transducers
- High-pressure rated
- Multiple core diameter options
- Low electrical noise
- MetaRock system compatible
Our Heater Controllers are a popular line of products that are built to last. They are available in both rackmount and benchtop options and offer uniform heating and accurate temperature control.
Automatic shutdown and high-limit controllers are built in for each zone for added safety, an important feature especially in laboratory applications. Heater Controllers with SCR have an output that is rectified for precision control. Our line of heater controllers has the following:
- Independent High Limit Shutdown: CAL 3300 / Watlow controllers
- Control and Feedback: K Type TC
- NRTL Certified
Even though we have created a line of heater controllers, each controller can be custom-designed and tailor-made to your specifications and is able to heat any number of independent zones.
- Rackmount and benchtop configurations
- Uniform heating with accurate temperature control
- Built-in automatic shutdown and independent high-limit control on every zone
- SCR option with rectified output for precision control
- Custom-built to heat any number of independent zones
- NRTL certified for laboratory use
- Single or Multi-Zone Controllers
- 110–240 V AC Input/Output
- Linear (SSR) or Proportional (SCR) Output
- Indoor/Outdoor Use
- Process Controller using CAL or Watlow temperature controllers
- Integrated High Limit Shutdown Available
- Thermocouple Type Choice
- Available in Different Enclosure Sizes
- RS-485 or RS-232 Communications
- USB Connectivity Upon Request
A biaxial radial strain sensor that measures radial deformation in two orthogonal directions for accurate Poisson's ratio, elastic modulus and volumetric strain determination. Built for high-temperature, high-pressure confining fluid environments, it delivers stable, repeatable, temperature-compensated data through uniaxial, triaxial, hydrostatic and cyclic loading tests — from initial loading through failure.
- Dual axis measurement
- Standard 100 mil-strain range
- Wide custom strain range options available
- 1”, 2” and 4” diameter options available
- Compatible with long and short duration tests
- 0.5% accuracy
- Temperature compensated
- Infinite resolution
- Standard calibration
- Mineral confining fluid rated
- High pressure rated connector
| Performance | |
|---|---|
| Strain Deflection Range | 100 mils [2.54 mm] |
| Non-Linearity | ±0.1% Full Scale |
| Hysteresis | 0.08% Full Scale |
| Output Resolution | Infinite |
| Electrical | |
|---|---|
| Excitation Voltage | 5 VRMS |
| Excitation Frequency | 2.5 kHz |
| DC Excitation | 5 VDC |
| Calibration Data | Included |
| Environmental | |
|---|---|
| Operating Temperature (standard) | -50 to 100 °C [-58 to 302 °F] |
| Temperature Compensation Range | 15 to 200 °C [59 to 212 °F] |
| Temperature Effect | 0.002% of Full Scale |
| Hydrostatic Compression | 0.002% of Full Scale |
| Mechanical | |
|---|---|
| For Sample Diameter | 1”, 2” and 4” diameter samples |
| Flexure Material | Aluminum |
Compression load cells engineered for geomechanical testing, delivering ±0.1% accuracy across a 5k–200k lb range. High stiffness and low deflection keep force measurement stable from first contact through specimen failure in uniaxial, triaxial, direct shear and confining pressure tests — including confining fluid applications up to 30,000 psi. Each unit is individually calibrated to international standards.
- 5k–200k lb loading range
- 0.1% accuracy
- Up to 150 °C [300 °F]
- Temperature compensated
- Infinite resolution
- Standard calibration at 150% FS
- Mineral confining fluid rated
- Vented enclosure
- High pressure rated connector
| Performance | |
|---|---|
| Load Range | 5,000 to 200,000 lb |
| Non-Linearity | ±0.1% Full Scale |
| Hysteresis | 0.08% Full Scale |
| Safe Overload Rating | 150% |
| Output Sensitivity | 2.7 mV/V |
| Operation | Compression |
| Output Resolution | Infinite |
| Electrical | |
|---|---|
| Excitation Voltage | 5 VRMS |
| Excitation Frequency | 2.5 kHz |
| DC Excitation | 5 VDC |
| Bridge Resistance | 350 Ohm |
| Output Sensitivity | 2.70 mV/V |
| Sensor Type | Bonded Gage |
| Calibration Data | Included |
| Environmental | |
|---|---|
| Operating Temperature (standard) | -50 to 150 °C [-58 to 302 °F] |
| Temperature Compensation Range | 15 to 100 °C [59 to 212 °F] |
| Temperature Effect | 0.002% of Full Scale |
| Hydrostatic Compression | 0.002% of Full Scale |
| Mechanical (200k lb) | |
|---|---|
| Diameter | 2.98 inches |
| Height | 3 inches |
| Flexure Material | Steel |
| Housing Material | Black Anodized Aluminum |
The Flow Qube is a programmable precision fluid flow pump. The pump is designed with the flexibility and versatility to meet a variety of industry needs. The unit can operate in a continuous injection or constant pressure mode.
Mechanically, the syringe pump is driven via stepper motor and precision ball screw. It has a 60 mm stroke and is available in three resolutions. The pump can be coupled with a variety of valves and syringes up to 2,000 psi working pressure, as well as PC board selections, to meet specific needs.
Our Flow Qube pumps are designed as stand-alone product or can be integrated with your testing system(s) for ultimate versatility.
- 60 mm stroke
- 3–8 distribution valves
- Syringe sizes available from 0.1 cc – 50 cc
- Can be tested up to 2,000 psi pressure at 4 cc per minute
- Utilizes RS232 communication
- Input/output voltage: 110 V AC
The MetaRock Autosampler (MRAS) is an automated high-performance sample collection solution suited for a wide variety of applications. The MRAS is controlled through an intuitive and user-friendly PC-based software application, while also allowing for use in a simple time-based manual mode.
- The MRAS utilizes pneumatic actuators and low voltage DC controls to minimize associated risks with the collection of flammable or combustible fluids and gases
- The MRAS consists of a 24-position rotor controlled by a precision indexing pneumatic actuator with a non-accumulating error of ±0.1 degree per 15-degree step
- Pneumatically actuated dual-needle probe to penetrate the septum sealed sample vial. The dual needle probe design provides a means for continuous measurement of gas production rates and volumes when connected to external measurement devices such as the MRL Flow Qube syringe pumps or Thermal Mass Flow Meters
- Flow lines comprise of 316 stainless steel
- The MRAS utilizes glass for collection vials which ensure compatibility with a variety of fluids
MetaRock Laboratories' Dual Pump System is engineered to deliver consistent, reliable high-pressure output for applications where accurate performance isn't optional; it's the standard. Powered by advanced servo control technology to maintain accurate flow rates and pressures — making it the go-to solution for processes where accuracy isn't a preference; it's a requirement.
Flexible and intelligent by design, the system operates seamlessly as a complete standalone unit and can integrate effortlessly into your existing infrastructure — giving you full control, maximum uptime, and the confidence to push your processes further.
The system comes with two high-precision pumps and a standalone controller.
- Pressure up to 30,000 psi
- Volume: 5 mL up to 300 mL
- Wetted Material: Hastelloy C276, Titanium Grade 5
- Max Flowrate: 5 cc/min – 150 cc/min
- Gas Tight Seal: FKM/PFKM, PTFE
- 2x piston pumps coupled with stepper motors and high precision encoders
- Standalone unit with integrated HMI
- Single, Dual and Manual operating modes
- Modular and scalable control architecture designed for multi-controller communication and centralized PC control
- Pulse free continuous flow in dual and single operating modes
- Advanced MRL software for system control, monitoring, and data acquisition
MetaRock's dual pump configuration isn't just about power — it's about consistency you can count on. With two independent high-precision pumps working in sync, the system ensures uninterrupted flow and pressure output, even in the most demanding conditions.
Built with positive displacement technology, every stroke delivers the exact volume — no fluctuations, no pressure drops, no surprises. Just precise, repeatable performance, cycle after cycle.
- 4x high-accuracy digital pressure transducers with ±0.02% full-scale (FS) measurement accuracy
- 2x constant volume high pressure 3-way valves
- Power: 100–240 VAC / 2.4 A / 50–60 Hz
MetaRock provides different pump sizes that fit your exact requirements — all fully compatible with the standalone controller.
| Pump Size | Pressure Cap | Max Flow Rate | Min Flow Rate |
|---|---|---|---|
| 5 mL | 7,500 psi | 1.3 mL/min | 1.34E-05 mL/min |
| 10 mL | 3,000 psi | 2.6 mL/min | 2.67E-05 mL/min |
| 15 mL | 30,000 psi | 7 mL/min | 7.41E-05 mL/min |
| 30 mL & 50 mL | 15,000 psi | 15 mL/min | 1.48E-04 mL/min |
| 200 mL & 300 mL | 10,000 psi | 60 mL/min | 1.00E-03 mL/min |
| 300 mL | 5,000 psi | 100 mL/min | 1.52E-03 mL/min |

