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Martel BETA DPC300A is with full digital precision and accuracy, a dual pressure system and a built-in loop calibrator function, it’s a pressure calibration powerhouse in a portable format. The internal pump goes up to 300 psi with push-button ease. Exact values are set using the fine vernier control knob. Plant air, up to 100 psi is controlled with a precision regulator for low inches of water on up. DPC300A has a built-in loop calibrator with 24 VDC instrument loop power supply; high capacity rechargeable NiMH batteries for 50 hours of use or 125 cycles of pumping to 300 psi, Martel’s trademark 3 key function menus, ClearBrite™ LCD display and multimode operation to name a few. This high performance calibrator comes in a high performance housing. It’s a rugged IP67 rated blown resin case that can take a pounding when used in the field. IP67 means waterproof including immersion when the case is closed.
Instrument Setup Recall | 5 setups; last used setup displays on power-up | |
Environmental | ||
Operating Temperature | -10 °C to +50 °C | |
Storage Temperature | -20 °C to +60 °C | |
Battery Type | 9 cell NiMH rechargeable; 3700 mAh @ 10.8V | |
Battery Life (fully-charged) | Approx. 50 hours (only measurement or with external pressure supply) | |
125 pump cycles to 20 bar | ||
300 pump cycles to 10 bar | ||
1,000 pump cycles to 2 bar | ||
Physical | ||
Dimensions | 15.25" x 12” x 7" (387.4 x 304.8 x 177.8 mm) | |
Weight | 15.5 lbs. (approx. 7 kg) | |
EMI/RFI Conformance | EN50082-1: 1992 and EN55022: 1994 Class B | |
Safety | EN/IEC 61010-1:2010 3rd Edition | |
(Low Voltage Directive) | ||
Connectors/Ports | 1/8” NPT; BetaPort-P pressure module jack; power jack | |
Included Accessories | Reference manual, NIST-traceable calibration certificate, test leads and hose kit. | |
Ranges | ||
Pressure | -12 to 300.00 psi / -0.8 to 20 bar / -80 to 2000 kPa | |
mA | 0 to 24.000 mA | |
Volts | 0 to 30.000 VDC | |
Engineering Units | psi, bar, mbar, kPa, MPa, kgcm2, | |
mmH2O @ 4°C, mmH2O @ 20°C, | ||
cmH2O @ 4°C, cmH2O @ 20°C, | ||
inH2O @ 4°C, inH2O @ 20°C, inH2O @ 60°F, | ||
mmHg @ 0°C, inHg @ 0°C | ||
Accuracy | ||
Pressure | 6 months: ±0.025% of reading ±0.01% of full scale | |
1 year: ±0.035% of reading ±0.01% of full scale | ||
mA | ±0.015% of reading ±0.002mA | |
Volts | ±0.015% of reading ±0.002V | |
Temperature Effect (all functions) | ||
No effect on accuracy on all functions from 15°C to 35°C | ||
Add ±0.002% F.S./°C for temps outside of 15°C to 35°C |
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