Dynalco SST-2400H Speed Switch/Transmitter - Manual (Page 8)

Specifications
Electrical
Input Signal
Frequency
Range
t
0-20 kHz (standard) (field-adjustable)
t
0-0.1 Hz (special order)
t
0-80 Hz (special order)
t
0-50K Hz (special order)
Waveforms
t
Accepts pulsed, sinusoidal, square, TTL, or CMOS
Input Signal
Sensitivity
t
25 mVrms (typical factory setting)
t
5 mVrms to 100 mVrms (field-adjustable)
t
50 Vrms (maximum for standard units)
t
1.0 volt threshold (requires input signal desensitizing)
Input
Impedance
t
Nearly infinite at low signal levels
t
10 k Ω (min.) at signals exceeding +15.0 V peak, –1.0 V peak
Power Input
t
115 Vac ±10%, 47-420 Hz
t
22–30 Vdc, maximum 5 W or 150 mAdc
t
220 Vac, 50/60 Hz (optional)
Proportional
Output
t
0–1 mAdc (standard)
t
4–20 mAdc (standard)
t
0–5 Vdc or 0–10Vdc (field-selectable; for external load
resistance of 20 k Ω or higher)
t
Custom ranges available
MAXIMUM LOAD
t
1 k Ω with 115/ 220 Vac or 30 Vdc power
t
750 ohms with 22 Vdc power
t
linear between 22 and 30 Vdc
Output Current Independent of load resistance up to the rated load resistance
Span/zero adj. ±5% (minimum) of fuIl-scale
Auxiliary
Meter Output
Proportional 0–1 mAdc, filtered, for meter or recorder loads up
to 750 Ω .
Supply Output Regulated +14 Vdc ±5%; 40 mAdc (maximum load)
Repeater
Output
Square wave 14 V peak-to-peak, zero based, positive going
Output Ripple
and Noise
0.1% of full-scale maximum over 10% to 100% of full-scale.
Response Time 150 milliseconds, 10% to 90% rise (standard). Full-scale
frequency ranges below 80 Hz are proportionally slower.
Linearity 0.1% of full-scale (0.05%, typical), all outputs.
Stability Less than 0.05% of full-scale change with a 10% change in
supply voltage. Temp. coeff. ±0.01% per °F (±0.018% per °C)
5
Getting Started