FREE FIELD BLAST PRESSURE PENCIL PROBE (0-1000 PSI)

SKU: 1-09-06

“Pencil” Probes were originally developed at Aberdeen Proving Ground for measuring blast effects on structures and humans. This Pencil Probe incorporates an acceleration-compensated quartz element and integral microelectronics for long cable driving, improved stability and low thermal sensitivity. Compatible with MREL’s DataTrap II™ Data/VOD Recorder (Product 1-04-01) and MicroTrap™ VOD/Data Recorder (Product 1-03-01) containing the optional MicroTrap™ Scope Upgrade (Product 1-03-03). Requires excitation power from Product 1-11-03A. MREL recommends Products 1-13-01 and 1-13-02 to hold the Pencil Probe in place. The sale of this item is controlled by federal authorities – export approval must be obtained by MREL for all Customers.

ADDITIONAL DETAILS

SPECIFICATIONS

English: SI:
Performance
Measurement Range (for ±1V output) 1 kpsi 6895 kPa
Sensitivity (±15 %) 1 mV/psi 0.145 mV/kPa
Maximum Pressure 5 kpsi 34474 kPa
Resolution [2] 8.5 mpsi 0.059 kPa
Resonant Frequency ≥400 kHz ≥400 kHz
Rise Time (Incident) ≤6.5 µ sec ≤6.5 µ sec
Non-Linearity [1] ≤1.0 % FS ≤1.0 % FS
Environmental
Temperature Range (Operating) -100 to +275 °F -73 to +135 °C
Temperature Coefficient of Sensitivity ≤0.05 %/°F ≤0.090 %/°C
Electrical
Discharge Time Constant (at room temp) ≥0.2 sec ≥0.2 sec
Excitation Voltage 20 to 30 VDC 20 to 30 VDC
Constant Current Excitation 2 to 20 mA 2 to 20 mA
Output Impedance ≤100 Ohm ≤100 Ohm
Output Bias Voltage 8 to 14 VDC 8 to 14 VDC
Physical
Sensing Geometry Compression Compression
Sensing Element Quartz Quartz
Housing Material Aluminum Aluminum
Diaphragm Invar Invar
Sealing Epoxy Epoxy
Electrical Connector BNC Jack BNC Jack
Weight [2] 12.4 oz 352 gm

* All specifications are at room temperature unless otherwise specified.

 

[1] Zero-based, least-squares, straight line method.
[2] Typical.

CUSTOMER SUPPORT

If you are a Customer of this product and have questions, please contact us:

Customer Support Form
Email: support@mrel.com
T: +1 613.545.0466 x 115 (en) x 119 (es)

PRODUCT SERVICE

If you are a Customer of this product and have questions, please contact us:

Product Service Form
Email: support@mrel.com
T: +1 613.545.0466 x 115 (en) x 119 (es)

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