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DTC Initium
Product Description
The DTC Initium data acquisition system provides a powerful yet affordable command and control device for the DTC series of miniature ESP pressure scanners. This state-of-the-art system eliminates in-situ calibration from electronic pressure scanning technology.The DTC Initium system integrates advanced analog circuit design with innovative Digital Temperature Compensation (DTC) technology that eliminates the need for in-line range calibration to maintain optimum accuracy. This proprietary technology uses a unique sensor mounting process that accurately measures bridge resistance to correct for thermal errors in real time using personalized compensation algorithms embedded in the scanning valve. As a result, the electronic pressure scanning system provides state-of-the-art accuracy across the entire scanning valve operating temperature after only an initial re-zero.
Key Features
Supports up to 512 pressure channels
Accuracy of ±0.05% FS after Rezero
1200 Hz throughput per channel
Automatically set 10/100 Base-T Ethernet interface
Comprehensive application utility software
Applications
Industrial Aerodynamics
Construction Engineering Research
Small Wind Tunnel Research
Information & Quotation
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Specification
| Static Accuracy2 | |||
| @ 100% Range 3 | ±0.05 | %FS | range ≥ 5 psid |
| ±0.10 | %FS | range ≥ 10 in WC to < 5 psid | |
| ±0.25 | %FS | range < 10 in WC | |
| @ 33% Range4 | ±0.10 | %FS | range ≥ 5 psid |
| Total Thermal Error | |||
| @ 100% Range | ±0.002 | %FS/ºC | range ≥ 5 psid |
| ±0.004 | %FS/ºC | range ≥ 10 in WC to < 5 psid | |
| ±0.01 | %FS/ºC | range < 10 in WC | |
| @ 33% Range 4 | ±0.003 | %FS/ºC | range ≥ 5 psid |
| A/D resolution | 18 | bits | |
| Measurement resolution | 0.003 | %FS | |
Throughput Rate (in Engineering Units) | 1200 | Hz/ch | when scanning 16 channels per scanner |
| 650 | Hz/ch | when scanning 32 channels per scanner | |
| 325 | Hz/ch | when scanning 64 channels per scanner | |
communications | |||
| Interface | 10/100 Base-T Ethernet | Auto Protocol, Half or Full Duplex | |
| protocols | TCP and UDP | ||
| ELECTRICAL | |||
| power supply | 18-36 | VDC | unregulated |
| Supply Current | 1.6 – 0.8 | A | Typical 1.2A @ 24 VDC Full Load |
| ENVIRONMENTAL | |||
| operating temperature | 0 to 70 | ºC | |
| Storage temperature | -20 to +70 | ºC | |
| relative humidity | 95 | % | at 50ºC, non-condensing |
| PHYSICAL | |||
| size | 10.00 x 7.00 x 3.50 | in | W x D x H |
| weight | 3.6 | lbs | |
NOTES: 1. User-selectable system operational parameters such as data averaging and sampling rates enable optimal measurement accuracy to be achieved. 2. Static accuracy includes combined errors due to non-linearity, hysteresis, and non-repeatability. 3. Achievable static accuracy after rezero. Scanner span calibration recommended at ambient temperature every 6 months to maintain static accuracy specification. 4. Accuracy is expressed as a percent of the deranged Full Scale when dual range calibration is specified. | |||
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