|
Pressure Measurement Specifications |
| Operating Pressure Range |
-14.7 to +300 psi
Option available for absolute pressures via Barometric Reference sensor. See Option A |
| Pressure Scale Units |
PSI, ft. H2O, in Hg, kPa standard - 23 different scales under SET-UP, user selectable |
| Overpressure |
To 1.5x causing negligible calibration change |
| Pressure Media |
Compatible with most common non-corrosive gasses |
| Transduction Principle |
Dual, integrated silicon strain gauge sensors. Optional Barometric Reference utilizes vibrating silicon element. |
| Readout |
±999999 capability on both pressure and electrical parameters. ±9999 for ranges below 1.5 psi (FS) |
| Display |
1.5" x 5.2" L.C.D. graphics panel. 240 x 64 pixels. Backlit. |
| Display Overload |
70% F.S. Pressure overrange nominal. Above this the display flashes. |
| Resolution |
17 bits (0.00075% F.S.) |
| Response |
2 readings per second nominal |
| Zero Control |
Pressure offset correction by key press Ability under process key to permit TARE of pressure, voltage and current, either manual or displayed value. |
| Accuracy |
±0.025%, of reading between 1% and 100% F.S. 0.002 psi below 1% F.S. Figure includes 90 day stability. Combined non linearity, hysteresis and repeatability (included within the above accuracy figure). |
| Positive Pressures |
±0.025% of reading between 1% and 100% F.S. ±0.001 psi below 1% F.S. |
| Negative Pressures |
±0.025% of reading between -14.7 psi to -3 psi ±0.001 psi between 0 and -3 psi |
| Temperature Effects |
-14.7 to 300 psi gauge calibrator over 15° to 100°F the averaged temperature coefficient ±0.0012% of reading/°F |
| Position Effect |
Negligible |
| Electrical Specifications |
| Electrical Inputs |
| Voltage Measurement |
0 to ±50 V DC auto ranging, resolution 10μV. Input impedance 10mΩ. Accuracy ±0.04% of reading ±1 digit including 90 day stability. ±0.004% of reading/°F |
| Power Supply |
Supplied fitted with Ni-Cad rechargeable pack. Can also be powered by 6 x D cells, alkaline recommended. Battery Life: 25 hours nominal for Ni-Cad. 75 hours nominal for alkaline. External PSU/charger unit suppliedas standard. |
| Current Measurement |
0 to ±55 mA d.c. resolution 0.001mA Internal resistance nominally 10Ω/ Accuracy 0.03% of reading ± 1 digit including 90 day stability. ±0.004% of reading/°F |
| Electrical Outputs |
| Voltage Output |
Programmable floating output in the range 0 to 24 V DC max 50 mA. Suitable also for current loop energizing and switch testing. |
| Current Output |
Programmable output in the range 0 to 55 mA DC for current display calibrations. Configured as source, voltage limit 19 V. Configured as sink, voltage limit maximum 30 V, voltage limit minimum 5V. |
| Analog Output Signal |
Proportional to displayed pressure. Accuracy s display. 0 to 24 V DC with 16 bit (0.001% F.S.) resolution. User programmable zero and full scale settings. Bandwidth 1 to 2 Hz - updated each new reading. Current output can also be provided either 0 to 50mA or 4 to 20mA for 0 to F.S. pressure |
| Environmental Specifications |
| Temperature |
Operating 15° to 100°F Storage 0° to 140°F |
| Sealing |
Instrument NEMA 4X Battery charger to laboratory standard. |
| Electro Magnetic Compatibility |
Designed to meet BS6667/HD481 and BS6527 / EN55022. |
| Physical Specifications |
| Dimensions/Weight |
5.5 inches z 11 inches x 14.5 inches / 9 lbs. nominal |
| Pressure Connections |
1/8 NPT female |
| Included |
Carrying case and a complete set of test leads are included. |
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