The YC98S1 is a portable standard to verify active and reactive three phase meters (3 or 4 wires) and single phase meters (2 or 3 wires). It is designed to work in the field or in the laboratory.

Main relevant specifications

• U max: 450V   
• I max in direct connection: 10A   
• Connection with current clamps: standard 100A; 200A, 500A and 2000A current clamps can be delivered as option.   
• AC voltage supply switchable between external voltage and test voltage (57V ... 285V).
• Accuracy in direct connection: Active energy; typical 0,1% worst case 0.2%. Reactive energy: typical 0,15% worst case 0,3%.   
• Accuracy with current clamps:Active energy; typical 0.2%; worst case 0,5% Reactive energy: typical 0,5% ; worst case 1%     
• Dimensions(HxWxD) : 200mmx280mmx70 mm
• Weight: 1.8 kg

Functions

• The YC98S1 has a 480x234 dot color LCD screen. It incorporates a 48 keys keyboard with which is very easy to access to the following main functions:
• Measuring mode: gives information about the parameters of the line under test, like: 
    ·Phase voltage, current, phase angle.
    ·Active power, reactive power, apparent power.
    ·Phase and three-phase power factor..
    ·Phase angle of phase to phase voltage, phase angle of phase to phase current
    ·Frequency.
• Vector diagram: draws the line vector diagram.
• Wave form: shows the wave form of current and voltage.
• Harmonics: makes a graphic and numeric analysis of the THD (2-21 degrees).
• CT ratio test: getting CT ratio by synchronously testing primary and secondary current of CT.
• Judge the wire connection right or wrong automatically.
• Meters test: Synchronously test two meter's error or one meter's active and reactive error.
• It has a USB port, the testing data can be storaged in the removed disk that connect on USB prot. Quantity of testing data depend on the removed disk's capacity.
• The storage data include serial number, meter type (active or reactive), constant, type of test (automatic.manual) and number of disks revolutions or pulses of each test, error, date and time... 
• Fireware can be upgraded through removed disk by users themselves.
• It has a RS232 interface to communicate with a PC.
  

The YC98 is delivered with the following components

• Three units of 100A current clamps transformers that allow the connection of wires up to 19 mm.
• Three current wires (direct connection up to 10A)   
• Voltage wires with adaptors and clamps.   
• Scanning head for electronic and electromechanical meters with support.   
• Communication cable
• Power cable
• Data transfer software.   
• User's guide.   
• Aluminum carrying case.