Kikusui PFX2731S, Operation Manual

Page: 43 / 54

PFX2731S
Operation Manual
43
Specifications | Measurement accuracy
Measurement accuracy
Temperature measurement
The temperature scale conforms to JIS C 1602-1995 (ITS-90: International temperature scale).
Item Specifications
Static/ Pattern
Charge/discharge
Current
measurement Range 2 A range -2.00000 A to 2.00000 A
20 A range -20.0000 A to 20.0000 A
Accuracy
1
1. At an ambient temperature between 18 °C and 28 °C.
2 A range ±(0.15 % of r 1.0 mA)
20 A range ±(0.15 % of r 10.0 mA)
Resolution 2 A range 0.01 mA
20 A range 0.1 mA
Voltage
measurement Range -2.0000 V to 7.0000 V
Accuracy
1
±(0.05 % of r 1.2 mV)
Resolution 0.1 mV
Input resistance 10 G Ω (voltage range: -2 V to 7 V)
Power
measurement Range 2 A range -12.000 W to 12.000 W
20 A range -120.00 W to 120.00 W
Accuracy Software calculation
(voltage measurement × current measurement)
Resolution 2 A range 1 mW
20 A range 10 mW
Capacity
measurement
Range
2
2. The same for the 2 A range and 20 A range.
-100.0000 Ah to 100.0000 Ah
Accuracy Software calculation
(voltage measurement × current measurement)
Resolution
2
0.1 mAh
Time
3
3. Accuracy of signal source used for elapsed time in charge/discharge
Accuracy
1, 4
4. Monthly error: approximately 30 seconds
±10 ppm (TYP)
Thermocouple voltage (temperature) measurement block Specifications
Number of measured terminals Per channel
Thermocouple type Type T
Range
-100.0 °C to 400.0 °C
1
1. The accuracy of the thermocouple is not guaranteed when it is used outside the operating range. The range
depends on the thermocouple specifications (thermocouple class, wire diameter, and insulation).
Accuracy
2 , 3
2. At an ambient temperature between 18 °C and 28 °C.
3. When the voltage that the thermocouple calibrator produces is measured (the thermocouple tolerance is not
included).
±1.5 °C (TYP)
Reference junction compensation
2, 4
4. Indicates the performance of a thermometer at a reference junction (cold junction).
±0.7 °C (TYP)
Resolution 0.1 °C
Measurement interval 2 s