Check the listing for details. Intelligent Digital Display Voltmeter Three-phase AC Voltage Meter 96x 96mm. Condition: New. Listed at 26.80 USD. Description:Type: Three-phase digital display voltmeterModel: ZM192VMeasuring range: AC 0~220, 0~380, 0~450VInput voltage: AC57.7, AC100, AC220, AC380, DC2V, DC20V, DC200V, DC600 (V)Output voltage: 0 ~ 5V / 0 ~ 10VAmbient temperature: -10 ~ + 55CPanel size: 96x96mmHole size: 92x92mmTechnical Parameters:1.Measurement accuracy:Current: class 0.5Voltage: class 0.52.Signal Input:Wiring way: Single-phaseRated current: AC1A, AC5A, DC20mA, DC1A, DC5A, DC75mARated voltage: AC 57.7V, AC100V, AC200V, AC380VOverload: Voltage: DC2V, DC20V, DC200V, DC600VPower consumption: 1.2 times (continuous), 10 times /5s (instant)Impedance: less than 0.4VA/phaseFrequency: less than 20m ohm 45 ~ 65Hz or direct-current3.Power supply:Working range: AC / DC 80V ~ 270V, AC220V, AC380V,AC100V, DC48V, DC24VPower consumption: less than 4VA4.Function module:Communication interface: Support 1-way communications circuit RS-485 Modbus-RTU protocol, baud rate: 1200 ~ 9600bps, default: 2400bpsInput switching value: Support 2 way value input switching loops, dry jointSwitching output value: Support 2 way relay output loops, capacity: AC 250V / 5A, DC 30V / 5ATransmission output: Support 1 way loop analog output: 0/4 ~ 20mA or 0 ~ 5/10 V5.Environment:Operating environment: -10 ~ + 55CStorage environment: -25 ~ + 70 CRelative humidity: less than 93%, no corrosive gas placeHeight above sea level: less than 2500m6.Safety:Insulation Resistance: more than 100MΩAC withstand voltage: AC 2KV7.Electromagnetic Compatibility:Electro-static discharge: Class 4Electrical fast transient pulse train: Class 4Surge (impact): Class 4Feature:LED digital display, viewing angle, high brightnessUsing 8.25 pitch copper terminals, the greater limit current Package include:1 x Three-phase Digital Display Voltmeter