|
Model |
S88X
Dual Output Analog |
S88
Dual Output Analog |
S48
Single Output Analog |
SD9
Output Analog |
| Intended
Use |
Advanced
physiological research with dual output, delay, trains. No isolation
|
Advanced physiological research with dual output, delay, trains. No
isolation |
Advanced
physiological research with delay, trains. No isolation |
Student
Lab, most research with delay. No trains. Output isolation |
| Variable
Parameters |
Frequency,
delay duration, voltage independent at both S1 and S2 outputs. Common
train duration, train rate. Analog |
Frequency,
delay duration, voltage independent at both S1 and S2 outputs. Common
train duration, train rate. Analog |
Frequency,
delay, duration, voltage, train duration, train rate from single output.
Analog |
Frequency,
delay, duration and voltage. Analog |
| Frequency
Range |
0.01
to 1000 PPS |
0.01
to 1000 PPS |
0.01
to 1000 PPS |
0.2 to 200 PPS |
| Pulse
Delay |
10
µs to 99 sec |
10
µs to 10 sec |
10
µs to 10 sec |
0.02
to 200 msec |
| Pulse
Duration |
10
µs to 99 sec |
10
µs to 10 sec |
10
µs to 10 sec |
0.02
to 200 msec |
| Voltage
Range (No load voltage) |
250
mV to 24 VDC
(monophasic)
±250 mV to ±12 VDC
(biphasic) |
10
mV to 150 volts each output |
10
mV to 150 volts |
0.1
to 100 volts |
| Peak
Output Current |
1
A standard |
450
mA standard |
650
mA standard |
50
mA |
| Output
Impedance |
<2
ohms |
100
kohm, 250 ohm or 25 ohm each output |
100
kohm, 250 ohm or 25 ohm selectable |
1
kohm approx. |
| Maximum
Power Out |
24
watts peak |
22
watts each output |
22 watts |
2.5
watts |
| Train
Rate |
1
train/100 sec to 99 TPS |
1
train/100 sec to 100 TPS |
1
train/100 sec to 100 TPS |
Not
available |
| Train
Duration |
1
msec to 99 sec |
1
msec to 10 sec |
1
msec to 10 sec |
----- |
|
Isolation of Stimulus Pulse from Ground |
Optional
Stimulus Isolation Units (SIU), 2 required |
Optional
Stimulus Isolation Units (SIU), 2 required |
Optional
Stimulus Isolation Unit required |
Built-in
(RF type) |
| Biphasic
Pulse and Polarity Reversal |
Yes |
With
optional SIUs |
With
optional SIU |
Yes
|
Synchronous
Input
(Minimum positive voltage required) |
TTL
compatible, +5 volts |
TTL
compatible, +5 volts |
TTL
compatible, +5 volts |
TTL
compatible, +5 volts |
| Synchronous
Outputs |
With
stim, prestim (delay) for S1 and S2 and train |
With
stim, prestim (delay) for S1 and S2 and train |
With
stim, prestim (delay) and train |
With
stim onset and prestim (delay) |
| Stimulus
Output Combinations |
Single,
repetitive, twin pulses, trains of pulses, trains plus post train
pulses. Plus train and arrhythmic pulse. |
Single,
repetitive, twin pulses, trains of pulses, trains plus post train
pulses. Plus train and arrhythmic pulse. |
Single,
repetitive, trains of pulses, twin pulses from single output |
Single,
repetitive and twin pulses |
| Trains
of Pulses |
Yes
(both outputs) |
Yes
(both outputs) |
Yes |
Externally
controlled |
| AC
Power Required |
100
watts maximum |
125
watts peak |
70
watts peak |
30
watts peak |
| Physical
Size |
19"
W x 5.25" H x 12.5" D
(48.3 cm x 13.4 cm x 31.8 cm) |
17.25"
W x 8.75" H x 8.5" D
(43.8 cm x 22.3 cm x 21.6 cm) |
17.25"
W x 5.25" H x 8.5" D
(43.8 cm x 13.3 cm x 21.6 cm) |
9.5"
W x 5.25" H x 5.5" D
(24.1 cm x 13.3 cm x 13.9 cm) |
| Weight |
10
lbs. (4.5 kg) |
22 lbs. (10 kg) |
17
lbs. (7.72 kg) |
3.7
lbs. (1.6 kg) |
