FEATURES 

• Accurate, reliable current measurement over a wide frequency range. 
• Input/output isolation. 

 

Designed for use in OEM applications which require inexpensive current measurement. 
Designed to withstand motor start-up transients. 
 
 

• CURRENT:  Many ranges - CALL
• FREQUENCY RANGE: 50 - 400 Hz.
• BURDEN: 1.0VA F.S.
• CURRENT OVERLOAD:
• 2 times full-scale rating (continuous), except 20A model.
• 20A model: 1.25 times full-scale rating.
• 50 times full-scale (1 Sec. transient).
• DIELECTRIC TEST (Input/Output/Case): 1500Vac
• INSTRUMENT POWER (STD. 4 - 20mA UNITS): 85 - 135Vac, 50 - 400 Hz, 3.5VA.

• ACCURACY: ± 0.25% F.S. @ 60Hz
• Includes effects of linearity and setpoint.
• Typically + 0.5% F.S. over frequency range.
• OUTPUT RIPPLE: Less than 1.0% F.S. 
• RESPONSE: 400 milliseconds
• OUTPUT LOADING (OHMS):
• 0 - 1mA: 0 - 10K
• 4 - 20mA: ("E") 0 - 1500, ("E2") 0 - 1400
• FIELD ADJUSTABLE CAL.: ± 5% 
• TEMPERATURE EFFECT (-20ºC - 60ºC): ± 1.0% RDG.

FEATURES 

• Accurate, reliable current measurement over a wide frequency range. 
• Designed to withstand motor start-up transients.

 

Designed for use in applications where UL listed measurement devices are required. 

• FREQUENCY RANGE: 50/60 Hz.
• BURDEN: 1.0VA F.S.
• CURRENT OVERLOAD:
• 2 times full-scale rating (continuous), except 20A model.
• 20A model: 1.25 times full-scale rating.
• 50 times full-scale (1 Sec. transient).
• DIELECTRIC TEST (Input/Output/Case): 2200Vac
• INSTRUMENT POWER (std. 4 - 20mA units):
• 115Vac, 50/60Hz, ±15%, 9.5VA max.
• -22 option: 230Vac, 50/60Hz, ±15%, 9.5A max.

• ACCURACY:
• Internal sensor: ± 0.25% F.S. @ 60Hz
• External sensor: ± 0.5% F.S. @ 60Hz
• OUTPUT RIPPLE: Less than 1.0% F.S.
• RESPONSE: 400 milliseconds
• OUTPUT LOADING (ohms):
• A: 0 - 10K; E: 0 - 1K; C & CX5: > 10M; E2: 0 - 600
• FIELD ADJUSTABLE CAL.: ± 5%
• TEMPERATURE EFFECT: ± 1.0% RDG.
• TEMPERATURE RANGE: -20º C - +60º C

FEATURES 

• Accurate, reliable current measurement. 
• Three separate inputs, three separate outputs. 
• Input/output isolation. 
• Rugged metal enclosure. 
• Designed to withstand motor start-up transients. 

 

Designed for use in three phase applications which require inexpensive current measurement. 
Designed for use in aplications where UL or CUL measurement is required. 
Perfect for motor monitoring or power distribution monitoring.

• FREQUENCY RANGE: 50/60 Hz.
• BURDEN: 1.0VA F.S. (each input)
• CURRENTOVERLOAD:
• 2 times full-scale rating (continuous), except 20A model.
• 20A model: 1.25 times full-scale rating.
• 50 times full-scale (1 sec. transient).
• DIELECTRIC TEST (Input/Output/Case): 2200Vac
• INSTRUMENT POWER (std. 4 - 20mAunits):
• 115Vac, 50/60 Hz, ±15%, 10VA
• -22 option: 230Vac, 50/60Hz, ±15%, 10VA

• ACCURACY:
• Internal sensor ± 0.25% F.S. @ 60Hz
• External sensor: ± 0.5% F.S. @ 60Hz
• Includes effects of linearity and setpoint.
• OUTPUTRIPPLE: Lessthan1.0%F.S.
• RESPONSE: 400 milliseconds
• OUTPUTLOADING(ohms):
• 1mA: 0 - 10K; 4 - 20mA: 0 - 1K; 5V & 10V: > 10M
• FIELD ADJUSTABLE CAL.: ± 5%
• TEMPERATURE EFFECT: ±1.0%RDG
• TEMPERATURE RANGE: -20º C - +60º C

FEATURES 

• Ruggedized Polyamide DIN mount case. 
• Standard OSI five year warranty 
• Slim profile allows maximum use of available space. 
• Field selectable analog outputs. 
• Recessed terminals provide increased safety. 

APPLICATIONS 

• Ideal for use in enclosures with dimensional constraints. 
• Designed for industrial environments. 
• OEM measurement systems. 
• Designed for use with OSI current transformers. 
• Easily integrated into control systems. 

 

• CURRENT: Various - Please CALL
• FREQUENCY RANGE: 48 - 65 Hz.; 60 Hz. nom.
• BURDEN: 1 Amp models: 0.05VA
• BURDEN: 5 Amp models: 0.175VA
• CURRENT OVERLOAD:
• 2 times full-scale rating (continuous)
• 10 times full-scale rating (10 Sec./Hr.)
• DIELECTRIC TEST (Input/Output): 1500Vac
• INSTRUMENT POWER:
• 85 - 135 Vac, 50 - 400 Hz (4 - 20mA), 3.5VA
• 15 - 35Vdc (loop Powered)

• OUTPUT RIPPLE: Less than 1.0% F.S. 
• RESPONSE TIME (99%): 400 milliseconds
• FIELD ADJUSTABLE SPAN: ± 5%
• OUTPUT LOADING (OHMS):
• 4 - 20mA: 0 - 500
• 4 - 20mA (24V loop pwr.): 0 - 600
•   Field selectable:
• 0 - 1mA: 0-10k
• 0 - 5Vdc: Greater than 5M
• 0 - 10Vdc: Greater than 10M
• ACCURACY ± 0.25% F.S. @ 60Hz
• Includes effects of linearity and setpoint.
• TEMPERATURE EFFECT (-20ºC - 65ºC): ± 1.0%

FEATURES 

• Insensitive to polarity. 
• Split-core design for easy installation. 
• Accurate and reliable from 50 - 400 Hz. 

APPLICATIONS 

• Designed for applications requiring accurate current measurements. 

 

• CURRENT: Various - please CALL
• FREQUENCY RANGE: 50 - 400 Hz.
• BURDEN: 0.5VA max.
• CURRENT OVERLOAD: 5 times rating for 10 seconds per hour.
• DIELECTRIC TEST (Input/Output/Case): 1800Vac
• INSTRUMENT POWER: 

• ACCURACY (25° C, 60 Hz): ± 0.5% F.S. (All Conditions) ± 0.7% F.S.
• OUTPUT RIPPLE: < 0.5% F.S.
• RESPONSE (90%): < 300 milliseconds
• OUTPUT LOADING (OHMS): 1mA: 0 - 10K ohms
•  5Vdc: > 100K ohms
•  4 - 20mA: 0 - 500 ohms
• TEMPERATURE RANGE: -20° - 60°C

FEATURES 

• Accurate measurement of the true RMS value of input signals over a wide frequency range. 
• Input/output isolation. 

APPLICATIONS 

• For use in applications where measurement of non-sinusoidal waveforms is required. 
• Designed to withstand motor start-up transients.

• CURRENT: See tables
• FREQUENCY RANGE: 48 - 420 Hz.
• BURDEN: 0.28VA F.S.
• CURRENT OVERLOAD:
• 1 - 10A range: 2 times full-scale (cont.)
• 1A range: 10A (10 Sec. transient)
• All other ranges: 50A (10 Sec. transient)
• 250A (1 Sec. transient)
• DIELECTRIC TEST (Input/Output/Case): 1500Vac
• INSTRUMENT POWER (STD.): 85 - 135Vac, 50 - 400 Hz, 3.5VA.

• ACCURACY: ± 0.25% F.S. (@ 60Hz) 
• Includes effects of linearity.
• ± 0.5% over frequency range.
• OUTPUT RIPPLE: Less than 1.0% F.S.
• RESPONSE (90%): 100 milliseconds
• OUTPUT LOADING (OHMS):
• 0 - 1mA: 0 - 10K
• 0 - 10Vdc, 0 - 5Vdc: 2K min.
• 4 - 20mA: 0 - 500
• FIELD ADJUSTABLE CAL.: ± 10% 
• TEMPERATURE EFFECT (-20ºC - 60ºC): ± 1.0% RDG.