This high-precision 5-in-1 digital multitester was developed to combine the environmental functions sound level, illumination, humidity and temperature with the measurement capabilities of a multimeter. The backlit LCD display features two lines for measurements. It is the ideal multifunctional instrument for professional and private use. - 3 4/5-digit display, max 4000 - The sound level function is suitable for measurements in factories, schools, offices, airports and for examining acoustics in studios, lecture halls and HIFI systems. - The illumination function measures lighting conditions, even outdoors, with full cosine correction for oblique light. - The humidity and temperature measurement function is suitable for measuring ambient temperature and humidity and determining the temperature of objects. - The digital multimeter can measure AC/DC voltage and current, resistance, frequency, duty cycle, capacity and perform continuity and diode tests. - Overload protection in all areas - Measurement hold function - Automatic and manual ranging - Relative value measurement function - Automatic shut-off function and battery level indicator - Safety: EN 61010-1; CAT III 600 V - Supplied accessories: test leads, thermocouple probe, case, batteries and user manual. Technical data: DCV: 400 mV/4/40/400/600 V; 0.1 mV; +/-1.0% + 4 digits ACV: 400 mV/4/40/400/600 V; 0.1 mV; +/-1.0% + 4 digits Frequency range: 50 - 400 Hz DCA: 400/4000 µA/40/400 mA/10 A; 0.1 µA; +/-1.0% + 2 digits ACA: 400/4000 µA/40/400 mA/10 A; 0.1 µA; +/-1.2% + 2 digits Frequency range: 50 - 400 Hz Ohm: 400 Ohm/4/40/400 kOhm/4/40 MOhm; 0.1 Ohm; +/-1.5% + 2 digits Capacity: 50/500 nF/5/50/100 µF; 10 pF; +/-3.0% + 5 digits Frequency: 5/50/500 Hz/5/50/500 kHz/10 MHz, 1 mHz; +/-1.2% + 3 digits Relative humidity: 33% RH - 99% RH, 1°RH; +/-3% + 5% RH Temperature: 0°C - 50°C; 0.1°C; +/-3% + 3°C K-type temperature: -20 - +1300°C; 0.1°C; +/-3% + 3°C Illumination: 4000/40000 lux; +/-5% + 10 digits Noise level: 35 ~ 100 dB (30 Hz ~ 10 kHz) with C-evaluation; +/-5 dB at 94 dB Operating voltage: 9-V battery Dimensions (W x H x D): 78 x 170 x 48 mm Weight: 335 g https://elecena.pl/product/17986186/p-3690-5-in-1-digital-multitester 2021-04-28 https://elecena.pl/product/17986186/p-3690-5-in-1-digital-multitester 2021-07-10 https://elecena.pl/product/17986186/p-3690-5-in-1-digital-multitester 2023-01-12 https://elecena.pl/product/17986186/p-3690-5-in-1-digital-multitester 2025-02-08 https://elecena.pl/product/17986186/p-3690-5-in-1-digital-multitester 2025-11-24