RPM4 BA100K Reference Pressure Barometer
Key features
- Uncertainty: ± 0.01% for single channel, ± 0.008% for dual channel.
- Single or dual channel with parallel measurement mode for increased reliability.
- Interfaces: Includes RS232 and IEEE-488.
Product overview: RPM4 BA100K Reference Pressure Barometer
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The RPM4 BA100K is a full function laboratory quality barometer intended to measure atmospheric pressure with the very highest performance. Its outstanding pressure measurement specifications are made possible by DHI's exclusive quartz reference pressure transducer (Q-RPT) modules.
Specifications: RPM4 BA100K Reference Pressure Barometer
| RPM4 BA100K (Single Channel) | RPM4 BA100K/BA100K (Dual Channel) | |
|---|---|---|
| Range | 70 kPa to 110 kPa (10 psia to 16 psia) | |
| Power requirements | 85 V ac to 264 V ac, 50/60 Hz; 12 V dc, 1.2 A (battery) | |
| Weight | 5 kg (11 lb) | |
| Dimensions (H x W x D) | 10 cm x 22.7 cm x 24 cm (3.9 in. x 8.9 in. x 9.5 in.) | |
| Test port connections | 1/8 in NPT F | |
| Communications ports | RS232 (COM1, COM2), IEEE-488.2 Resolution To 1 ppm, user adjustable To 1 ppm, user | |
| Resolution | To 1 ppm, user adjustable | |
| Operating temperature | 15 °C to 35 °C (59 °F to 95 °F) | |
| Warm up time | 30 minute temperature stabilization recommended from cold power up | |
| Vibration | Meets MIL-T-28800D | |
| Predicted Stability1 | ± 0.005 % of reading | ± 0.0032 % of reading |
| Precision2 | ± 0.008 % of reading | ± 0.006 % of reading |
| Measurement Uncertainty3 | ± 0.01 % of reading | ± 0.008 % of reading |
| 1Predicted Q-RPT measurement stability limit (k=2) over one year assuming regular use of AutoZero function. AutoZero is performed by the operator by comparison with a barometric reference in absol mode. Absolute mode predicted one year stability without AutoZ is: Single Channel ± (5 Pa + 0.005 % of reading), D Channel ± (4 Pa + 0.0032 % of reading). 2Combined linearity, hysteresis, repeatability. 3Maximum deviation of the Q-RPT indication from the true value of applied spressure including precision, predicted one year stability limit, temperature effect and calibration uncertainty, combined and expanded (k=2) following the ISO “Guide to the Expression of Uncertainty in Measurement.” | ||
Models: RPM4 BA100K Reference Pressure Barometer
RPM4 mhhhac/mlllac
Reference Pressure Monitor
Where:
mhhhac indicates the Hi Q-RPT designation.
c indicates Q-RT class (s for Standard, p for Premium)
mlllac indicates the Lo Q-RPT designation and class. Leave blank if there is no Lo Q-RPT.
See Q-RPT and ranges table under Features for available Q-RPTs.
mhhhac indicates the Hi Q-RPT designation.
c indicates Q-RT class (s for Standard, p for Premium)
mlllac indicates the Lo Q-RPT designation and class. Leave blank if there is no Lo Q-RPT.
See Q-RPT and ranges table under Features for available Q-RPTs.
RPM4 04
-1 US units version, -2 SI units version
RPM4 05
CE mark
RPM4 06
Special calibration
RPM4 07
Special test fluid, Hi Q-RPT (specify fluid)
RPM4 08
Special test fluid, Lo Q-RPT (specify fluid)
RPM4 09
-1 Special configuration, air data (A160K/A160K, A350K/A160K only)
RPM4-LP
Low Pressure Monitor, -15 to 15 kPa (-60 to 60 inH2O)
3990-803
Manual Pressure Control to 20 MPa (3000 psi)