脉冲频率：最大460 pulses per min（间隔130msec）最小120
pulses per min（间隔500msec)
生理指标：
尺寸：长6.0
cm宽5.3 cm高=2.1
cm
总重量：无电池26.0
gm，带电池70.5gm
The ‘Animal Pacer’ model EP 6877 is small and
lightweight in design for animal use only. Pulse amplitude
width and rate are adjustable, which provides high rate pacing up
to 460 pulses per min. In the last 10 years, this pacer
had successfully been used in pacing-Induced heart failure in the
conscious dog and rabbit in USA. The device comes complete with
extension cable and myocardial pacing lead.
Operational Specifications:
Battery requirement: one standard size 9 volt alkaline battery.
Output signal specifications –
Pulse amplitude width and rate are adjustable between
the following values:
Signal Amplitude: Max = 8.0 vdc ; Min = 0.8 vdc
Pulse wide: Max =4.msec; Min = 0.2msec
Pulse Rate: Max=460 pulses per min(interval=130msec)
Min=120 pulses per min (interval= 500msec)
Battery life: In excess of 72 days when tested under continuous
operation with a 100 ohm load, 1.0 msec pulse width and 300 pulses
per min and a fresh battery to an endpoint of 2.8
volts. Output amplitude on day 1 was 8.0 volts DC and 2.8
volts on day 72. Battery life in actual use will vary
depending on a variety of conditions, hut should be in excess of 60
days in most cases. The output pulse width and rate did not
change over the 72 day test period. Always start a new
experiment with a fresh battery. Output voltage will fall
during prolonged use, slowly at first, and more rapidly as the
battery drains. This causes need for regular monitoring of the
animal and perhaps slight adjustments of the output amplitude
to ensure the cardiac rhythm remains entrained.
Physical Specifications
Dimensions of polyethylene
Case:
Height=6.0 cm; Width=5.3
cm; Depth=2.1 cm
Total Weight (without
battery) 26.0 gm
(with battery-Duracell) 70.5gm