Stimulator C Square Wave Pulse Stimulator

Stimulator C Square Wave Pulse Stimulator

The Stimulator C is a compact, highly stable square wave pulse stimulator that features precise digital timing control. A large LCD display (2 lines at 40 characters) and minimum of controls make setup and operation easy.

Ideal for pacing with isolated heart systems.

Item# Description U.S. List Price Quantity
73-3713 Stimulator C, 230 VAC, 50 Hz
73-3716 Stimulator C, 115 VAC, 60 Hz
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The Stimulator C is a compact, highly stable square wave pulse stimulator that features precise digital timing control. A large LCD display (2 lines at 40 characters) and minimum of controls make setup and operation easy.

All relevant stimulation parameters are shown on the display which provides a rapid view of the current settings. Several stimulation modes are possible (repetitive, single, triggered, tetanic...). The last settings used are always stored in memory and recalled when the unit is turned on. Two stimulation patterns can be pre-defined and stored in the non-volatile memory. These patterns can easily be recalled by selecting them in the menu.

The basic rhythm can be displayed either as frequency in Hertz or as period in msec respectively. The adjustment of the timing is controlled by a microcontroller to avoid wrong settings.

The powerful (20 VA) and fast (rise and fall time < 1 µs) constant voltage (up to 50 Volt) output allows stimulation of all types of tissues from direct contact nerve to tissue bath field stimulation. The output is floating, not connected to earth (ungrounded). The output has a very low impedance (< 0.1Ω). The maximum output current is ±400 mA.

Specifications
 Stimulation Mode  SINGLE: single stimulus triggered by MANUAL button or by remote contact
   FREE RUN: repeating stimulus
   GATED: repeating stimulus triggered by MANUAL button or by remote contact
   TRIGGER: pulse (TTL, negative-going edge) starts delay circuit
   TETANIC: 50 Hz duty cycle square wave. Burst of 2.5 sec maximum duration gated by MANUAL button or remote contact
 Stimulation Timing Frequency  0.01 to 1000 Hz in 42 coarse steps and and continous fine setting with 10 µs resolution respectively
   1 ms to 100 s in 41 coarse steps and and continous fine setting with 10 µs resolution
 Delay Time  (Leading the stimuli): 0.1 to 500 msec in 32 coarse steps and and continuous fine setting with 10 µs resolution
 Width  10 µsec to 100 msec in 32 coarse steps and continuous fine setting with 2 µs resolution
 Stimulus Output  1. Output voltage 0 to 50 V; Current ±400 mA (rise and fall time < 1 µs at 50 V ±400 mA)
 2. Monophasic (Pos or Neg), Biphasic, Alternated
 3. Output circuit floating, not connected to earth (ungrounded)
 Indication  1. LCD display (2 lines of 40 characters each with LED backlight) to indicate stimulus parameters and settings
 2. LED for stimulus pulse
 3. Beep (to indicate errors in setting)
 Trigger Input/Output  BNC socket Input or Ouput depending on the selected mode.
 Input Signal  TTL level, negative edge or active low
 Output Signal  TTL level active low
 Weight  2.5 kg (5.5 lb)
Dimensions, H x W x D  120 x 240 x 250 mm (4.7 x 9.4 x 9.8 in)