Empatica E4 - Device Dimensions, Power, and Memory

18
empaca
©
2015
Baery power supply and baery:
•
Charging cradle with E4 charging interface and
standard Micro-B USB port.
• USB port, 5V, 250mAh minimum supply Lithium
baery, 3.7V output.
• Charging me: <2 hours.
• Baery Life in recording mode: >36 hours.
• Baery Life in streaming mode: >20 hours.
• Baery model: 260mAh
• Baery manufacturer: YJ Power
• Charging cycles: 500
• Life expectancy: 2 years
• Fully charge the E4 baery at least once a month
for opmal performance. When the device is stored
inside it’s original box.
Materials
•
Band: polyurethane.
• Case: 70% polycarbonate + 30% glass ber.
• Lenses: polycarbonate.
• Electrodes: silver (Ag) plated and stainless steel.
• Charging terminals: gold (Au) plated.
Real-me clock
Recording Mode:
• 5s synchronizaon resoluon in recording mode.
• Average of 6 seconds in 6 million seconds dri.
Streaming Mode:
• Temporal resoluon up to 0.2 seconds with
connected device.
Memory
•
Session data is approximately 1MB per recording
hour.
• Device storage capacity exceeds 60 recording
hours.
Weight
•
40 grams | 1.41 ounces.
E4 size
•
Max band circumference
• Min band circumference
• E4 Case length
• E4 Case width
• E4 Case height
mm inches
190 7.48
110 4.33
44 1.73
40 1.57
16 0.63
Charger size
•
Charger length
• Charger width
• Charger height
mm inches
45 1.77
44 1.73
12 0.47
Hardware operang condions
•
Relave humidity: 0-100% H.R.
• Admied air pressure: 100KPa ÷ 35Kpa.