Operator's Manual

Product Specifications Power Supply Specifications
TM80/TM70 Telemetry Monitor Operator’s Manual A - 3
A.3 Power Supply Specifications
A.3.1 TM80/TM70
The TM80/TM70 is powered by batteries.
The battery life listed below may be shortened by the following factors:
■ Wireless signal interference
■ Aging battery
■ Frequent operation of turning on/off the display
■ Wireless network coverage which does not meet the technical specifications in
"Wireless Specification" on page A - 7.
Item Operating conditions Storage conditions
Temperature 0 °C to 40 °C -20 °C to 60 °C
Relative humidity (noncondensing) 15% to 95% 10% to 95%
Barometric 427.5 mmHg to 805.5 mmHg, or
57.0 kPa to 107.4 kPa
120 mmHg to 805.5 mmHg, or
16.0 kPa to 107.4 kPa
Battery type
AA batteries (three)
Rechargeable lithium-ion battery (one)
Capacity for lithium-ion
battery
≥ 3500 mAh
Charge time for lithium-ion
battery
At the room temperature: ≤ 5 hours to 90% charge
Safety and authentication for
lithium-ion battery
UL2054, IEC62133, UN38.3
Battery run time
(at 25 °C ±5 °C, with display
off, no sound and light as
default, no alarms, display lit
for one minute every two
hours, using L91 AA batteries
(PN 0146-00-0077-10)
Three AA batteries Lithium-
ion battery
5-lead ECG ≥30 hours ≥30 hours
5-lead ECG+SpO
2
≥24 hours ≥24 hours
Shutdown delay
At least 10 minutes after the low battery alarm first occurs.
At least five minutes after the critically low battery alarm
first occurs.