HT instruments PVCHECK - Manual (Page 61)

PVCHECK
EN - 59
10. TECHNICAL SPECIFICATIONS
10.1. TECHNICAL SPECIFICATIONS FOR PV INSTALLATION EFFICIENCY
Accuracy is indicated as [%reading + (no. of digits) * resolution] at 23°C ± 5°C, <80%HR
DC voltage
Range [V] Resolution [V] Accuracy
5.0
 199.9
0.1
(1.0rdg + 2dgt)
200.0
 999.9
0.5
DC current (by means of external clamp transducer)
Range [mV] Resolution [mV] Accuracy
-1100
 -5
0.1
(0.5rdg + 0.6mV)
5
 1100
The value of current is ALWAYS displayed with a positive sign: the value of current transduced in a voltage lower than 5mV is zeroed.
FS DC clamp [A] Resolution [A] Minimum read value [A]
1< FS
 10
0.001 0.05
10< FS
 100
0.01 0.5
100< FS
 1000
0.1 5
DC power (Vmis > 150V)
Clamp FS [A] Range [W] Resolution [W] Accuracy
1< FS
 10
0.000k
 9.999k
0.001k
(1.5rdg + 3dgt)
(Imis < 10%FS)
(1.5rdg)
(Imis
 10%FS)
10< FS
 100
0.00k
 99.99k
0.01k
100< FS
 1000
0.0k
 999.9k
0.1k
Vmis = voltage at which power is measured; Imis = measured current
Irradiance (with HT304N reference cell)
Range [mV] Resolution [mV] Accuracy
1
 40.0
0.02
(1.0rdg + 0.1mV)
Temperature (with probe type PT300N)
Range [°C] Resolution [°C] Accuracy
-20.0
 100.0
0.1
(1.0rdg + 1°C)