HT instruments HT322 - Manual (Page 14)

HT321 - HT322
EN - 13
6. TECHNICAL SPECIFICATIONS
6.1. TECHNICAL FEATURES
Accuracy is indicated as [%reading + (number of digits*resolution)] at 23°C±5°C,<75%HR
DC Voltage
Range Resolution Accuracy Input Impedance Overload protection
200mV 0.1mV
(0.8%rdg +1dgt)
10M

600VDC/ACrms
2V 0.001V
20V 0.01V
200V 0.1V
600V 1V
(1.0%rdg +2dgt)
AC Voltage
Range Resolution
Accuracy
(45
 400Hz)
Input Impedance Overload protection
200mV 0.1mV not declared
10M

600VCC/CArms
2V 0.001V
(1.5%rdg+3dgt)
20V 0.01V
200V 0.1V
600V 1
V
Resistance
Range Resolution Accuracy
Max Open
Loop Voltage
Overload protection
200
 0.1 (1.0%rdg + 8dgt)
About 3.0V
600VDC/Acrms
(<30sec.)
2k
 0.001k
(1.0%rdg + 3dgt)
20k
 0.01k
200k
 0.1k
2M
 0.001M
20M
 10k (3.0%rdg + 3dgt)
Diode Test
Range Resolution
Max Open
Loop Voltage
Overload protection
1mV About 1.5Vdc 600Vrms (< 30sec.)
Continuity Test
Range Beeper
Max Open Loop
Voltage
Overload protection
<120

About 1.5Vdc 600Vrms (< 30sec.)
Temperature with K probe (only HT322)
Range Resolution Accuracy Overload protection
-40°C ÷ 1°C
1°C
5°C
600VDC/Acrms (<30sec.)
0°C ÷ 800°C
(2.0%rdg + 3dgt)
-40°F ÷ 31°F
1
°F
9°F
32°F ÷ 1382°F
(2.0%rdg + 5dgt)