Download Spectec's printable Frequency to Voltage and Frequency to Current Converter Spec Sheet (PDF format):
Intrinsically Safe frequency to voltage converters and frequency to current converters and magnetic speed sensor preamps are a derivative or our standard signal conditioners and are certified by FM Global.
Intrinsically Safe and Non-Incendive Certifications
SPECTEC's Intrinsically Safe digital magnetic sensors certifications per FM Global are:
- Model IS4021/IS4033/IS4027/IS4028 Intrinsically Safe (Class I, Div I / Class I, Zone 0 - code AEx [ia]) for US and Canada
- Model IS4021A/IS4033A/IS4027A/IS4028A ATEX Intrinsically Safe (Group II, Category 1G) for European Union
- N4021/N4033/N4027/N4028 Non-Incendive/Limited Energy (Class I, Div 2 / Classs I, Zone 2) for US and Canada and ATEX Limited Energy (Group II, Category 3G) for European Union
CAUTION: These sensors MUST be installed with an FM Global approved IS barrier. Installations must meet the requirements of intrinsically safe systems for hazardous (classified) locations and must follow details specified in FM Global control drawing 85047.
Model IS4022 Magnetic Speed Sensor Preamp is designed to convert low level sinusoidal signals from Intrinsically Safe magnetic pickups into stable square wave pulses. The digital output allows for longer signal transmission distance.
Model IS4027 Frequency to Current Converter changes the frequency input from any Intrinsically Safe active or passive magnetic speed sensor or Hall effect speed sensor to a proportional 4-20mA output. It has been configured to fit a compact 1/2" & 3/4" NPT "ELBY" explosion proof enclosure. The frequency range is field selectable to fit most applications. Input range is adjustable between 1100 Hz - 10 kHz or 75Hz to 1100 Hz. ZERO and SPAN adjustments easily calibrate to almost any measurement range, with little interaction between the adjustments.
Model IS4028 Frequency to Voltage Converter changes the frequency input from any Intrinsically Safe passive magnetic speed sensor or VR sensor and convert the signal to a proportional 0-10V or 0-5V output. It fits a 1/2" or 3/4" NPT "ELBY" explosion proof enclosure. The frequency range is field selectable to fit most applications. Input range is adjustable between 1100 Hz - 10 kHz or 75Hz to 1100 Hz. ZERO and SPAN adjustments easily calibrate to almost any measurement range, with little interaction between the adjustments.
Please contact Spectec for detailed Intrinsically Safe magnetic speed sensor signal converter or preamp specification sheets - or complete and submit our online Intrinsically Safe Signal Converter Information Request Form.
Intrinsically Safe FTV & FTC Converter - IS Preamp Specifications
Intrinsically Safe Freq to Voltage Converter - Intrinsically Safe 4-20mA Converters
Supply Voltage (Vs):
Pulse Out (Vo):
5 - 30 Vdc Standard
15 mA Standard
0 - 5V (TTL), 0 - 10 V
30 mV, 12 mV, 5 mV
~ 5 Hz to 10 kHz Std, - 40 kHz dep. on signal level, target size, air gap & sensor
T6: -40 to 149° deg F (-40 to 65° deg C)
IS4022 Pulse Amplifier
Supply Voltage (Vs): 7.5 - 30 Vdc
Freq Range: ~5 Hz - 10kHz;
~5Hz - 40 kHz at increased
IS4027 Freq to Current Converter
4-20 mA Converter
|IS 4028 Freq - Voltage Converter
Frequency - Voltage Converter