HT instruments HT9 - Manual (Page 14)

HT6-HT8-HT9
EN - 13
7. TECHNICAL SPECIFICATIONS
7.1. TECHNICAL CHARACTERISTICS
Voltage measurement with LEDs
Voltage range:
12 690V AC (16400Hz), DC (±)
Rated voltages: 12/24/50/120/230/400/690V AC (16 400Hz),
DC:
Tolerance: in compliance with EN61243-3
ELV indications: >50VAC, >50VDC
Response time: < 1s at 100% of any rated voltage
Working time: after 30s of continuous measurement, the
instrument must make a pause of 240s before
starting a new measurement.
Consumption during measurement: approx. 50mA (battery 3V, measuring 690V AC)
(HT6, HT8)
Voltage measurement with LCD (HT8, HT9)
Accuracy indicated as [%reading + (number of digits)] at 23°C±5°C, <70%HR
AC/DC voltage
Range [V] Resolution [V] Precision
Input
impedance
Max voltage
10.0 690.0 0.1 (3rdg+5digits) 200K 690VAC/DC
Max input current: <3.5mA (at 690V); Automatic AC/DC voltage detection;
Frequency range: 16 - 400Hz; “OL”: Over Range indication
Phase detection function (HT6, HT8, HT9)
Voltage range:
100 690V
Frequency: 50 / 60Hz
Phase sequence (HT6, HT8, HT9)
Voltage range:
120 400V Phase-Earth;
Frequency range: 50/60Hz;
Measuring mode: 2 terminals on non-isolated parts
Continuity test (HT6, HT8, HT9)
Detection range:
0 500kΩ + 50%
Lamp test (HT9)
Voltage with new battery:
approx. 3kV / 240kHz
Range intensity 200-280 kHz: approx. 100µV/m
Indications: “Test” LED on
Charging time before test: <0.5 sec
Flashing frequency: 2Hz
Test time: typically <2 sec
Working time: may operate in continuous mode
Consumption during test: approx. 500mA