EN
The Alarms are no physiological alarms according
IEC 60601-1-8, 2
nd
ed
.
Alarm output
visual accompanied by acoustic
Alarm conditions
- upper and lower limits for flow and pressure values (adjustable)
- monitoring for the loss of coupling (SonoTT
TM
only Clamp-On
Transducer)
Alarm sustainment
non-latching
Visual Alarm – Frequency
3 sec. on | 3 sec. off, repeating
Audio Alarm
- Frequency
2.3 kHz ±300 Hz
- Tone sequence [in ms]
60 on | 60 off | 60 on | 200 off | 60 on | 60 off | 60 on | 60 off | 60 on |
60 off |60 on | 200 off, repeating
- Sound pressure level
55-61 dBA (1m)
- Temporary alarm suppression
2 minutes audio paused
11.3 SonoTT
TM
Clamp-On Transducer
Size (HxWxD), weight
25 x 33 x 45 mm, approx. 100g
Housing material
Plastic
Cable length
2,8 m
Connector plug
15-pol. high density D-Sub
Safety Class
Type BF applied part
IP-Code
IPX4 (Protected against splashing water)
Recommended tube type
flexible, non-reinforced tubing; e.g. silicone, PVC
Acoustical output data
Frequence 2,25 MHz, p
r
< 1 MPa, I
spta
< 20 mW/cm²,
I
ob
< 100 mW/cm²,
ΔT < 0.3°C, TI < 1.0, MI < 1.0
Accuracy in combination with the SonoTT
TM
Ultrasonic FlowComputer:
0.0 to 1.0 lpm
± 0.07 lpm + offset drift
1.01 to10.0 lpm
±7 % of the value + offset drift
Flow Offset Drift
max. 0.03 lpm within 2 hours
Range of SonoTT
TM
Transducers and maximum measurement range
Type
Maximum flow measurement range
Tube Size (Inner diameter (ID) x Wall Thickness (WT))
CT 6,8mm
6000 ml/min
6,8mm external diameter
CT 3/16x1/16”A
6000 ml/min
3/16“ x1/16” (IDxWT)
CT 1/4x3/32”A
8000 ml/min
1/4“ x 3/32” (IDxWT)
CT 1/4x1/16”A
8000 ml/min
1/4“ x 1/16” (IDxWT)
CT 3/8x1/16”A
10000 ml/min
3/8” x 1/16” (IDxWT)
CT 3/8x3/32”A
10000 ml/min
3/8” x 3/32” (IDxWT)
CT 1/2x3/32”A
20000 ml/min
1/2“ x 3/32” (IDxWT)
Please specify calibration at time of ordering, e.g. media, temperature and tubing type.
SonoTT
TM
Ultrasonic FlowComputer
Page 88
D108-702 SonoTT
TM
Ultrasonic FlowComputer - Operating Instructions V4.0
Copyright em-tec GmbH