Chapter IV / V
4.5
Variations in operating range
Influence parameter
Operating
range
Frequency
40 to 70 Hz
Harmonics
PF
0.5 < PF < 0.8
PF
0.2 < PF < 0.5
0.5 ≤ Sin φ < 0.6
PF
Temperature
0 to 50°C
Relative humidity
10...95% RH
Battery voltage
6.5 to 10 V
Common mode
Note: The term Power covers the active power P and its associated values Q, S and PF.
5.
ACCESSORIES
5.1
Delivered with the wattmeters PX 110 / PX 120
2 sets of safety leads
1 set of leads with touch prods
Six 1.5 V batteries
1 operating manual
5.2
Delivered as options
Operating software (box + optical head) ................................................................... HX0013
Set of 6 NiCd 1.2 V batteries, size 14.5 x 50 mm ..................................................... HX0014
Set of six LR6-AA alkaline batteries .......................................................................... HX0020
Set of fuses ................................................................................................................ HX0019
Set of two 20 A leads (red/black) 2 m long for the voltage or current circuit ............ HX2004
Set of 2 touch prods (red/black) .............................................................................. HA2045A
Wattmeter switcher .................................................................................................... HX0011
Multi-ratio AC transformer (10, 15 and 30 A) ............................................................ HX0012
Mains power supply adapter ...................................................................................... HX0021
34
Parameters
influenced
Current
Voltage
Active power. 0.5 < PF < 1
Active power. 0.2 < PF < 0.5
Reactive power. 0.5 < PF < 0.8
P(T3FE) 0.6 ≤ PF ≤ 1
Q(T3FE) 0.6 ≤ PF ≤ 0.8
Apparent power
Current (THD = 40%)
Voltage (THD = 20%)
Voltage
P
P(T3FE)
P
P(T3FE)
Q
Q(T3FE)
Current
Voltage
Power
Current
Voltage
Power
Current
Voltage
Power
Current
Typical error
0.1%
0.1%
1.5%
2%
2%
2%
2%
0.5%
0,2% 0,5%
0,2% 0,5%
0,2% 0,2%
1%
2%
2% +2 W
4% +4 W
1%
1%
300 ppm/10°C
200 ppm/10°C
300 ppm/10°C
0,7%
0,7%
0,7%
0,04%
0,04%
0,1%
0,2% for
U = 230V 50 Hz
Wattmeters