Pulsar IMP Self Contained Ultrasonic Level Measurement
Pulsarâs IMP range is non-contacting ultrasonic level measurement without compromise. Compact, low-profile self contained units with the benefit of digital echo processing specially designed for IMP. Simple programming without affecting the IP rating via the integral keypad or using IMP PC, IMPâs own PC software...
Description
Product Range
| Variants | Imp3 | Imp6 | Imp10 |
|---|---|---|---|
| Range | 200mm - 3m (0.65ft-10ft) | 300mm - 6m (0.98ft-20ft) | 300mm - 10m (0.98ft-33ft) |
| 2 / 3-wire configurable IMP | 11-30 volts dc / 4-key user interface / LCD adjustable backlit display Digital temperature measurement / 2 alarm relays (1A 30V) / IMP PC software download / Digital echo processing. | ||
| 2-wire I.S. IMP | I.S. certificate to ATEX EEx ia IIC T4 and IECEx / 4-20mA loop powered / 4-key user interface / LCD display / Digital temperature measurement / Digital echo processing. | ||
| 2-wire IMP Lite | 2-wire configuration only. RJ11 port/ 4 key user interface/LCD display/ Digital temperature measurement/ 4-20mA loop powered/Digital echo processing/ No flammable atmosphere approval. |
| Physical | |||
|---|---|---|---|
| Dimensions | 175mm (6.89in) overall height x 130mm (5.12in) diameter | ||
| Cable entry | 2 off 16mm (0.63in) cable glands 3.5 - 10mm (0.14-0.39in) cable dia. | ||
| Mounting | 1.5â (3m (10ft) and 6m (20ft) range versions), 2â (10m version) universal thread - suits BSP and NPT, parallel and tapered | ||
| Weight | approximately 1Kg (2.2lbs) | ||
| Environmental | |||
| Temp range (process) | -40ÂșC - +85ÂșC (-40°F to +185°F) (-40ÂșC - +80ÂșC (-40°F to +176°F) for I.S. version) | ||
| Temp range (ambient) | -20ÂșC - +65ÂșC (-4°F to +149°F) | ||
| IP Rating | IP67 | ||
| Variants | IMP3 | IMP6 | IMP10 |
| Beam angle (-3dB half power) | <10Âș inclusive | <10Âș inclusive | <10Âș inclusive |
| Operating frequency | 125kHz | 75kHz | 41kHz |
| Measurement range | 0.2m-3m (0.66ft-10ft) | 0.3m-6m (0.98ft-20ft) | 0.3m-10m (0.98ft-33ft) |
| Performance | |||
| Digital echo processing | |||
| Input voltage range | 11 - 30V (17 - 28V for I.S. version), 3.5 - 22mA | ||
| Accuracy | ± 0.25% or 6mm (0.24in) (whichever is greater) | ||
| Resolution | ± 0.1% or 2mm (0.08in) (whichever is greater) | ||
| 4-20mA outputs | resolution 5ÎŒA (both active and passive outputs) | ||
| Temperature compensation | via internal temperature sensor (±0.5ÂșC accuracy) Level and volume conversion are installed allowing linearisation for tank shapes | ||
| IMP may be wired as either 2-wire or 3-wire, giving the features below: | |||
| 2-wire configuration | RS232 (RJ11 port) connection for diagnostics and software updates | ||
| 4 digit LCD display | |||
| 4 button keypad for parameter entry | |||
| Power consumption: 3.5 - 22mA | |||
| Passive 4-20mA output | |||
| 3-wire configuration (additional to 2-wire) | Backlit LCD display | ||
| 0-10V analogue output | |||
| 2 relays: single pole two way, 1A 30VDC/AC | |||
| Power consumption with relays energised <60mA (less12mA/relay not energised) | |||
| Active and passive 4-20mA outputs | |||
| 2-wire I.S. version | Intrinsically safe to ATEX EEx ia IIC T4 and IECEx. NB: I.S. IMP is identified by black cap to housing instead of green. Does not include RS232 interface. | ||
| IMP Lite version | 11-30V supply, 3.5 - 22mA output, has RS232 (RJ11 port), 2-wire configuration, no flammable atmosphere approval | ||
| PC Interface IMP PC | All parameters can be accessed and changed through IMP PC software. Echo traces may be viewed on screen. NB: IMP I.S. does not offer this feature. |