Dexcom SEVEN® PLUS

Technical data

Manufacturer Dexcom, Inc.
6340 Sequence Drive
San Diego
CA 92121
USA
Web site http://dexcom.com
Available since February 2009
Length of sensor relation 7 days
Request for re-calibration every 12 hours
Device stops showing glucose values if not re-calibrated in time No
Measured glucose value range 2.2 - 22.2 mmol/l
or 40 - 400 mg/dl
Measured values displayed every 5 minutes
Graphs show values for last 1, 3, 6, 12 and 24 hours
High and low glucose alerts Yes
High and low glucose alerts show High or low value limit
Low glucose alert values 3.3, 3.9, 4.4, 5.0, 5.5 mmol/l
or 60, 70, 80, 90, 100 mg/dl
High glucose alert values 6.7 - 22.2 mmol/l in steps of 1.1 mmol/l
or 120 - 400 mg/dl in steps of 20 mg/dl
Rise / fall alert Yes
Rise / fall rate values 0.11 and 0.17 mmol/l/min
or 2 and 3 mg/dl/min
Predictive alerts No
Number of glucose values stored in transmitter in case of lost communication 0
Blood glucose range for calibration 2.2 - 22.2 mmol/l
or 40 - 400 mg/dl
Calibration based on Data collected before blood glucose value entry
Possibility to personalize the device (language, glucose units, food units, time) No
Initial period between sensor start and first calibration 2 hours
Possibility to start sensor relation without initial period No
Possibility to disconnect transmitter from sensor for temporary period No
Transmitter and receiver connect every 5 minutes
Receiver size length: 114 mm
width: 58 mm
height: 22 mm
Receiver weight (including battery) 100 g
Receiver display size length: 49 mm
height: 33 mm
Graph size length: 28 mm
height: 30 mm
Receiver battery type Rechargeable, built in
Receiver battery to be recharged 3 days
Receiver ingress protection Not certified
Transmitter size (including sensor base) length: 38 mm
width: 23 mm
height: 10 mm
Transmitter battery type Non-rechargeable, built in
Transmitter to be exchanged 1 - 2 years (manufacturer)
Transmitter ingress protection IPX7
Degree of sensor insertion 45o
Sensor electrode size length: 13 mm
diameter at the base: 0.4 mm
diameter at the end: 0.3 mm
Sensor material Platinum / silver
Sensor reagents Glucose oxidase
Software for data download / evaluation stored on Local drive
Downloaded data stored on Local drive

System menu

Some of the system menu options may not available at any time depending on the receiver status.
Level 1 Level 2 Level 3 Value to set Value range Value set in steps of Function
Trend Graph           displays 3 hours graph
Start Sensor           initiates the sensor relation
Enter BG     BG reading 2.2 - 22.2 mmol/l
or 40 - 400 mg/dl
0.1 mmol/l
1 mg/dl
inputs blood glucose value for calibration
Events Carbs   amount 0 - 200 g 1 g inputs amount of carbohydrates in food
date/time    
Insulin   amount 0 - 250 U 0.05 U inputs amount of injected insulin
one type of insulin only
date/time    
Exercise Light duration 0 - 360 min 1 min inputs information about exercise
date/time    
Medium duration 0 - 360 min 1 min
date/time    
Heavy duration 0 - 360 min 1 min
date/time    
Health Illness date/time     inputs information about other events
Stress date/time    
High Symptoms date/time    
Low Symptoms date/time    
Cycle date/time    
Alcohol date/time    
Alerts High Alert Vibe then Beep glucose value 6.7 - 22.2 mmol/l
or 120 - 400 mg/dl
1.1 mmol/l
or 20 mg/dl
sets high glucose alerts
snooze time none, 30 min, 1 h, 2 h, 3 h, 4 h, 5 h  
Vibrate glucose value 6.7 - 22.2 mmol/l
or 120 - 400 mg/dl
1.1 mmol/l
or 20 mg/dl
snooze time none, 30 min, 1 h, 2 h, 3 h, 4 h, 5 h  
Disable      
Low Alert Vibe then Beep glucose value 3.3, 3.9, 4.4, 5.0, 5.5 mmol/l
or 60, 70, 80, 90, 100 mg/dl
0.55 mmol/l
or 10 mg/dl
sets low glucose alerts
snooze time none, 30 min, 1 h, 2 h, 3 h, 4 h, 5 h  
Vibrate glucose value 3.3, 3.9, 4.4, 5.0, 5.5 mmol/l
or 60, 70, 80, 90, 100 mg/dl
0.55 mmol/l
or 10 mg/dl
snooze time none, 30 min, 1 h, 2 h, 3 h, 4 h, 5 h  
Disable      
Rise rate Vibe then Beep rise rate 0.11 and 0.17 mmol/l/min
or 2 and 3 mg/dl/min
  sets rise rate alerts
Vibrate rise rate 0.11 and 0.17 mmol/l/min
or 2 and 3 mg/dl/min
 
Disable      
Fall rate Vibe then Beep fall rate 0.11 and 0.17 mmol/l/min
or 2 and 3 mg/dl/min
  sets fall rate alerts
Vibrate fall rate 0.11 and 0.17 mmol/l/min
or 2 and 3 mg/dl/min
 
Disable      
Other alerts Vibe then Beep       sets other alerts (approaching end of sensor relation, system errors, ...)
Vibrate      
Disable      
Out of range Vibe then Beep no connection time 20 - 200 min 5 min sets no data exchange between transmitter and receiver alert
Vibrate no connection time 20 - 200 min 5 min
Disable      
Settings Time/Date   date/time     sets system date and time
12-hour time only
Transmitter ID   alphanumeric code     sets transmitter ID
About STS         information about SW and HW version
Shut down           switches receiver off
Stop sensor           stops sensor relation