Description
Hengesbach DTA 1010 Digital Tank Level Display can determine the content of tanks of various shapes, even when there is no linear relationship between filling height and content, i.e. the system compensates for non-standardized tank shapes. The measurement is based on the hydrostatic pressure or differential pressure (with 2 pressure sensors) or on distance sensors (e.g. ultrasound, radar, potentiometer).
The device provides the option of connecting an additional level sensor. When a specific level is reached, the display is corrected to the value that corresponds to the filling height in the tank in which the level sensor has been installed.
Programming is performed at the membrane keyboard in front. The alarm outputs can be programmed as min. or max. functions. The switching states are indicated by LEDs. When the digital filter is activated, the mean of 16 measuring values is continuously calculated and displayed. An analogue signal in the range 0…20 mA / 0…10 V DC or 4…20 mA / 2…10 V DC that is proportional to the tank content is provided. Switching from a current to a voltage signal is load dependent (> 500 ? to voltage).
Hengesbach DTA 1010 Features:
- 1 input for standard signals 0/4-20 ma or 0/2-10 v dc
- 1 input for automatic filling level correction, optional: 2. input for pressure measuring transmitter
- volume or mass display (weight)
- 6 standard as well as any special tank shapes selectable
- max. 2 alarm outputs, change-over relay, min/max function
- analog output 0/4…20 ma, 0/2…10 v dc, depending on the working resistance
- protection type ip 65
- display scope digits 0…999999
- adjustment in pressure-free state possible
Specification:
| Design data | |
| Housing | Field housing with hinged lid, |
| Material housing: Glassfibre-reinforced polyamide PA6-GF 15/15 | |
| Material of front foil: Polyester | |
| Dimensions | see dimension drawings |
| Connection | Spring-loaded clamps, 2 mm² single wire, 1 mm² fine wire, AWG 14 |
| Type of protection | Front IP 65, clamps IP 20, contact protected according to BGV A2 |
| Weight | max. 450 g |
| Display | |
| Display | LED red; 14.2 mm |
| Display scope | Digits 999999 with suppression of leading zeroes |
| Additional display | LED 2 digits, red, 7 mm (display for parameter and switching state) |
| Electrical connection | |
| Auxiliary voltage | 230 V AC +/- 10 %; 115 V AC +/- 10 %; 24 V AC +/- 10 %; 24 V DC +/- 15 % |
| Power input | max. 3.5 VA, with anaolg output 5 VA |
| Operation temperature | -20…+ 55 °C |
| Rated voltage | 250 V AC according to VDE 0110 between input/output/auxiliary voltage, |
| Degree of Pollution 2, Overvoltage Category III | |
| Test voltage | 4 KV between input/output/auxiliary voltage |
| CE conformity | Complies with the standards EN 55022, EN 60555, IEC 10004-3/4/5/11/13 |
| Inputs | |
| Current inputs | 0/4…20 mA; |
| Voltage inputs | 0/2…10 V DC; |
| Basic accuracy | < 0.1 % +/- 2 digits |
| Temperature coefficient | 0.004 % / K |
| Transmitter supply | Uo approx. 24 V, Ri approx. 150 ?, max. 50 mA |
| Outputs | |
| Relay | Change-over contact < 250 V AC < 250 VA < 2A, < 300 V DC < 50 W < 2 A |
| Analog output | 0/4…20 mA working resistance </= 500 ?; 0/2…10 V working resistance > 500 ?, |
| No galvanic separation of the measuring input, output switches automatically (load- | |
| dependent) | |
| Accuracy | 0.1%; TK 0.01 %/K |
Download Data Sheet: Digital Tank Level Display DTA 1010
Ref: Hengesbach.com
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