Technical specifications – HT instruments HT322 User 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)