Monitors
1550 Series Btu Monitor
Provides an accurate measurement of total thermal energy along with temperature and liquid flow in closed pipe systems. The BTU meter has all of the features and programming flexibility of the Series 1500 flow monitors with the added ability to accept temperature inputs from thermistors
Series 1550
Energy Monitor
The Data Industrial 1550 Energy Monitor is an economical full featured compact unit designed for sub-metering applications.
The 1550 provides a display of Energy Rate, Energy total; or Flow Rate on a two line x 8 character alphanumeric LCD. The 1550 display can be configured by the user to display Energy Rate in kBtu/hr or kW; Energy total in Btu or kWh; and Flow Rate in gpm or liters/m.
The unit requires two 10 K ohm thermistors for temperature input. The flow sensor input can be any Data Industrial sensor or any other pulse or sine wave signal flow sensor.
T-116B Temperature Sensor
The user can program the flow sensor from the front panel by entering a "K" and offset or only a "K" factor, depending on the flow sensor used.
All user programming is menu driven by the 1550. Following displayed directions, the user enters all data from the four button front panel. A password lockout feature is standard on all units. This lockout restricts access to calibration and troubleshooting routines. The lockout routines include (a.) totalizer reset (b.) flow sensor, energy pulse and analog output calibrations, (c.) a feature allowing zero calibration of the two temperature inputs to any equilibrium temperature and (d.) display of the two temperature inputs (in user selected °F or °C units of measure).
Model THT Temperature Hot Tap Sensor
The 1550 uses an Infinite Impulse Response Filter (IIRF) feature to smooth the calculation of flow, temperature and energy. Data Industrials use of this proprietary smoothing software provides the most accurate energy calculations considering the wide variety of application variables.
Standard output is a 100 m sec pulse, user programmed to transmit Energy total.
Optional outputs include a relay contact closure or opto-isolated open collector signal for Energy total. Additional options include analog Energy Rate outputs, either a 0-10vdc non-isolated signal or an isolated 4-20mA loop powered signal.
The analog output options are also user programmed from the front panel.
An additional feature of the 1550 is its permanent storage of the last calculated Energy total in the event of a power failure. This total can be read out of the unit before restarting the system.
Like the Data Industrial 1500 Flow Monitor, the 1550 Energy Monitor operates from a 12 to 24 VDC supply. As a panel meter the unit has a NEMA 4X rated front panel and conforms to DIN standard dimensions, 96mm x 96mm for meter sizes and cutouts. The 1550 is also available in a NEMA 4X wall or sensor mount version.
With volume considerations, special versions of the 1550 are available to operate with reed switch or dry contact pulse type flow meter inputs or to provide Energy pulse outputs other than 100 m sec. in length. For special versions consult factory.
Literature
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