| OTT Orpheus Mini | Vented Gauge Pressure Sensor |
| Measuring ranges | 0-4 m, 0-10 m, 0-20 m, 0-40 m, 0-100 m water column |
| Pressure Sensor | Ceramic capacitive sensor - vented presssure sensor |
| Resolution, pressure sensor | 0.01 % FS |
| Accuracy, pressure sensor | |
| Overall | ± 0.05 % FS |
| Repeatability | ± 0.05 % FS |
| Long term stability | ± 0.1 % FS/a |
| Temperature coefficient | ± 0.005%/Kelvin |
Burst pressure
Overload pressue | > 5 times FS
> 5 times FS |
Temperature Sensor
Measuring range temperature
Resolution temperature
Accuracy temperature |
-25 °C +70 °C (ice-free)
0.1 °C
± 0.5 °C |
| Power supply | 3 x 1,5 V LR6-cells Alkaline- or Lithium-type |
Lifetime (at 1 h reading interval) | |
with Lithium batteries
with Alkaline batteries | min. 5 years
min. 1.5 years (high quality battery types) |
Operating Conditions | |
| Operating Temperature | -20 ... +70 °C |
| Humidity | 100 % |
| Temperature-compensated | |
| working range (pressure reading) | –5 °C ... +45 °C (ice-free) |
| Storage temperature | –40 °C ... +85 °C |
Data Logger
Interface
AD converter |
Infrared (IrDA)
20 bit |
Memory
Number of measured values | 4 MB non-volatile
approx. 500 000 |
Reading interval
Storage interval
Logging type - selectable | 1 second 24 hours
1 second 24 hours
linear, logarithmic - free progammable (logging table) for pumping tests , event triggered delta data logging |
Installable in well pipes
with adapter plates for OTT top caps |
1', 2', 4', 6' |
| with universal suspension bracket | from 1' |
| Settling-up time | Immediately |
Dimensions
Communication unit L x Ø
Pressure probe L x Ø |
400 mm x 22 mm
195 mm x 22 mm |
System length
(cable length incl. communication unit/pressure probe) | 1 ... 200 m ± 0,25 m |
| Material of casing | ABS,POM, 904 L (DIN 1.4539) |
Weight
Communication unit (incl. batteries)
Pressure probe |
approx. 0,410 kg
approx. 0,300 kg |
Type of protection
Communication unit
|
IP 67 (immersion depth max. 2 m
duration of immersion max. 24 h)
|
| Pressure probe | IP 68 |
| EMV limits | IEC61326/EN61326 are complied with
EN 61000-4-2
EN 61000-4-3
EN 61000-4-4
EN 61000-4-5
EN 61000-4-6
EN 550222 class B |