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2558A AC Voltage Current Standard
Brand: Yokogawa Electric CorporationThe 2558A is a cost-effective, high-precision instrument capable of outputting a wide range of AC voltages and currents for the calibration of AC measurement devices such as analog watt meters, power meters, clamp-on testers, and current transformers.
Intuitive front panel controls and various computer interfaces enable the 2558A to be operated manually or become integrated into an larger system.
Features- Voltage, Current, and Frequency sweeping
- Output Divider
- Direct Readout of the Deviation
- Digital Display of Output
- Common Current Output Terminals
Specifications
Accuracy
- ± (0.03 % of Setting + 0.01 % of Range), 50/60 Hz - AC Voltage
- ± (0.04 % of Setting + 0.01 % of Range), 50/60 Hz - AC Current
- ± (0.05 % of Setting + 0.01 % of Range), 40 ≤ F ≤ 400 Hz - AC Voltage
- ± (0.06 % of Setting + 0.01 % of Range), 40 ≤ F ≤ 400 Hz - AC Current
- ± (0.10 % of Setting + 0.02 % of Range), 400 < F ≤ 1 kHz - AC Voltage
- ± (0.12 % of Setting + 0.02 % of Range), 400 < F ≤ 1 kHz - AC Current
- ± 0.013 % of Range, 50/60 Hz - AC Voltage
- ± 0.014 % of Range, 50/60 Hz - AC Current
- ± 0.015 % of Range, 40 ≤ F ≤ 400 Hz - AC Voltage
- ± 0.016 % of Range, 40 ≤ F ≤ 400 Hz - AC Current
- ± 0.03 % of Range, 400 < F ≤ 1 kHz - AC Current
- ± 0.032 % of Range, 400 < F ≤ 1 kHz - AC Current
- ± 0.04 % for AC Voltage - High Accuracy
- ± 0.05 % for AC Current - High Accuracy
- ± 100 ppm (1-Year): Internal
- ± 400 ppm - AC Voltage
- ± 50 ppm (180 Days): Internal
- ± 500 ppm - AC Current
Applications
- Higher Current Output
- Power Calibration
Approvals & Certifications
- AS
- BS
- CE
- CSA
- GB
- IEEE 802.3, 488-1978
- ISO 14001
- NBR
- UL
- VDE
Communication
- 100Base-TX
- 10Base-T
Consumption
- 200 VA - Max.
Current
- 60 A Main Setting
Display
- 2-Digits LED - Output Divider
- 4-Digits LED - Deviation
- 5-Digit LED - Main Setting & Output
- 6-Digits LED - Frequency/Phase
- 7-Segment LED Provide Clear Visibility
Electrical Connectors
- Current: Large Binding Post
- RJ45 Connector
- Typical B Connector
- Voltage: Plug-In Terminal
Frequency
- 20 to 1,000 Hz: Frequency Meter
- 40 to 1,000 Hz
- 48 to 63 Hz: Allowable Power Supply Frequency Fluctuation Range
- 50/400 Hz: Internal
- 50/60 Hz: Rated Power Supply
Function
- Output Divider
- Using Sweep
- With the Deviation Function, The, Max.
Humidity
- 20 to 80 % Relative Humidity, Non-Condensing - Operating, Storage Environment & Output
Input
- 3 ± 0.1 Vrms for 2-Phase Sine Wave - External I/O Voltage
Interface Connection
- Ethernet
- GP-IB
- USB Connection
Media
- Indoor - Installation Locations
Mounting
- Rack-Mounted
Operating Temperature
- 5° to 40° C (41° to 104° F)
Operation
- Two Dials
Output
- 0.07 % or Less - Voltage
- 0.18 % or Less - Current
- 1 mA-60 A - AC Current
- 1 mV-1,200 V - AC Voltage
- 3 ± 0.1 Vrms for 2-Phase Sine Wave - External I/O Voltage
- 36 VA (60 A / 0.6 V) - Max.
- 40 to 120 % - Condition
- 72 A, Max.
Range
- 100 mA-50 A for Internal Oscillator Frequency
- 100 mV-1,000 V for Internal Oscillator Frequency
Resistance
- Approximately 1 Megaohm - Input Resistance
- Approximately 50 ohms - Output Resistance
Resolution
- 0.001 Hz VAR
- 10 µA to 10 mA
- 10 µV-100 mV
- Resolution of the First Dial: 0.2 % of the Main Setting
- Resolution of the second Dial: 0.01 % of the Main Setting
Response Time
- 8 to 64 seconds Approximately Speed - Selectable During 0 to 100 %, 100 to 0 % of Setting
Stability
- ± (20 ppm of Setting + 30 ppm of Range)
- ± 50 ppm/h for AC Voltage/Current - High Stability
Storage Temperature
- -15° to 60° C (5° to 140° F)
Supply Voltage
- 100-120 Vac: Rated Power Supply Voltage
- 180-264 Vac: Allowable Power Supply Voltage Fluctuation Range
- 200-240 Vac: Rated Power Supply Voltage
- 3 ± 0.1 Vrms: External Input/Output Voltage, 2-Phase Sine Wave
- 90-132 Vac: Allowable Power Supply Voltage Fluctuation Range
Temperature Coefficient
- ± (30 ppm of Setting/°C) at 5° to 20° C (41° to 68° F), 20° to 40° C (68° to 104° F) - 50/60 Hz
- ± (50 ppm of Setting/°C) at 5° to 20° C (41° to 68° F), 20° to 40° C (68° to 104° F)
Temperature Range
- 23° ± 3° C (73.4° ± 5.4° F)
Update Time
- 1 Minute to 1-Hour after Output ON
- 30 minutes Warm-Up Time
