120A – Tank Level Indicator Loop Powered with Alarms
Brand: Contrec
$1,236.00 Excl. GST
All prices are in NZ$, and GST exclusive and are subject to change without notice.
Product Details
120A Tank Level Indicator
Ideal for tank level monitoring, the Model 120 Tank Level Indicator accepts a 4-20mA signal from a wide range of level sensors, including pressure transmitters, ultrasonic sensors or capacitance probes, and displays both level and tank contents on a large LCD display.
Solid state relay outputs provide up to four level alarms and a 25 point non-linearity correction table allows the instrument to be programmed to fit most tanks.
The Level Monitor is powered entirely from the 4-20mA current loop and, therefore, requires no external power or batteries.
The instrument is fully programmable with setup parameters such as span, offset, alarm levels, etc, stored in a non-volatile memory which will retain all data for more than 10 years without power.
The Model 120 is housed in an attractive IP67 (Nema 4X) polycarbonate enclosure which is completely watertight.
A wall mounting bracket is supplied as standard, while a 2″ pipe mounting bracket is available as an option.
120A Features
- Powered by 4-20 Loop
- Non-linear tank correction
- Four Level Alarms
- Level Bar Graph Display
- Fully Programmable
- Tank Contents Display
- Panel, Wall and Pipe Mounting
- Watertight to IP67 (Nema 4X)
- CE Compliant
Technical Specs
| GENERAL SPECIFICATIONS | ||
|---|---|---|
| Operating | Temperature Limits | -20~60°C |
| Enclosure | Cable Entry | By cable gland |
| Materials | Polycarbonate and ABS | |
| Display | Level | 20 segment LCD bar graph |
| Level Span | 0-100% proportional to input signal. Non-inverting tanks- 0% equals 4mA and 100% is 20mA. Inverting tanks- 0% equals 20mA and 100% is 4mA | |
| Contents | 7 digit 12mm high LCD with 4 1/4 digital resolution and trailing zeros | |
| Interference | CE Compliance | |
| 4-20mA | Resolution and Linearity | 0.05% of span |
| Accuracy | 0.05% of span at 25°C, 0.1% of span full temperature range | |
| Update Time | 0.5 second | |
| Connection | 2 wire | |
| Voltage Drop | 2.5V maxium | |
| High & Low Alarms | Type | 4x open collector outputs suitable for driving DC solenoid or external relays. The outputs provide: 1. high-high 2. high 3. low 4. low-low |
| Switching Power | 200mA,30Vdc maximum | |
| Saturation Voltage | 0.8Vdc typical across the output in the "ON" state | |
| Isolation | All outputs are separately opto-isolated | |
Ordering Information
| Contrec 120A Level Monitor - Product Code & Mounting Types | ||
|---|---|---|
| 120A | . | Level Monitor |
| Enclosure Mounting | 0 | Wall Mounting (no gland holes) |
| 1 | Panel Mount Brackets | |
| 2 | Wall Mounting (standard glands) | |
| 6 | Pipe Mount Adapter | |
Documents
- Contrec 120A- Level Monitor - Datasheet 99.16 KB
- Contrec 120A- Level Monitor - Manual 436.62 KB
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