Instruction Manual

HT4011
EN – 18
Frequency with leads (Autorange)
Range Resolution Accuracy Sensitivity Overvoltage protection
10.00Hz  49.99Hz
0.01Hz
(1.5%rdg+2digits) 15Vrms
600VDC/ACrms
50.0Hz  499.9Hz
0.1Hz
0.500kHz  4.999kHz
0,001kHz
5.00kHz  10.0kHz
0.01kHz
Duty cycle (Autorange)
Range Resolution Accuracy
0.5%  99.0%
0.1%

(1.2%rdg + 2digits)
100s  Pulse width  100ms ; Pulse frequency: 100Hz  150kHz; Sensitivity >10Vrms
Temperature with K probe (Autorange)
Range Resolution Accuracy (*) Overvoltage protection
-20.0  399°C
0.1°C
(3%rdg+5°C)
250VDC/ACrms
400  760°C
1°C
-4  750°F
0.1°F
(3%rdg+9°F)
752  1400°F
1°F
(*) Accuracy of K-probe not considered
6.1.1. Reference standards
Safety: IEC/EN61010-1
Insulation: double insulation
Pollution level: 2
Max operating altitude: 2000m (6562 ft)
Overvoltage category: CAT III 600V to ground
6.1.2. General characteristics
Mechanical characteristics
Size (L x W x H): 200 x 66 x 37mm ; (8 x 3 x 1in)
Weight (battery included): 205g (7 ounces)
Max. cable diameter: 30mm (1in)
Power supply
Battery type: 2 batteries x 1.5V AAA
Low battery indication: The display shows the symbol “
“ when the
voltage supplied by the battery is too low.
AutoPowerOff: after 30 minutes (may not be disabled)
Display
Characteristics: 4 dgt LCD max 4000 point, sign and decimal point
Sampling rate: 2 measurements per second
Conversion type: Mean value
6.2. ENVIRONMENT
6.2.1. Environmental conditions for use
Reference temperature: 18°C  28°C ; (64°F  82°F)
Operating temperature: 5 ÷ 40 °C ; (41°F  104°F)
Allowable relative humidity: <80%RH
Storage temperature: -20 ÷ 60 °C ; (-4°F  140°F)
Storage humidity: <80%RH
This instrument satisfies the requirements of Low Voltage Directive 2006/95/EC
(LVD) and of EMC Directive 2004/108/EC