Check the listing for details. DC Voltage Current Freq. Measure & Signal Source Simulator Meter 0-24mA Loop 24V. Condition: New. Listed at 87.00 USD. Note: we'll ship this item via Epacket to US, Canada and Australia, usually the delivery time is about 3 weeks; For other countries, we'll ship it via registered air mail of Post, usually the delivery time is about 40 days. If you want express mail service, please contact us for extra postage in advance. VMX100BIt comes with DC voltage, current and frequency measurement and output function.This handheld current and voltage calibrator has function of a variety of signal measurements and output, including measurements of voltage, frequency, current, the loop current, and output of voltage, frequency, active and passive current output, etc., adopting LCD break code screen and function buttons. The operation is simple, easy-to-use, with high precision, long standby time and programmable automatic output function. Widely used in laboratory, industrial field PLC and process instrument, electric valve debugging. Main function Function Measurements Output Remark DC voltage 0-30 V 0-15V DC current 0-24 mA 0-24mA Loop current 0-25 mA / Isolate 24v power supply Frequency 0-10kHz 0-10kHz For VMX100B The passive current / 0-24mA Technical parameters Function Measurement Range Resolution Ratio Accuracy （Reading%+Counting） DC voltage Measurement 0-30V 0.01V 0.1%+4 Output 0-15V 0.01V 0.1%+4 DC current Measurement 0-24 mA 0.01mA 0.1%+4 Output 0-24 mA 0.01mA 0.1%+4 Frequency Measurement 0-10kHz Four digits For VMX100B Output 0-10kHz Four digits For VMX100B Loop current 0-25 mA 0.01mA 0.1%+4 The passive current 0-24 mA 0.01mA 0.1%+4 24V loop current 24V / 10% General technical parametersWorking Temperature：-10℃-55℃；Relative humidity：20-80%RH（without condensation）Power：3.7V lithium-ion rechargeable battery, power adaptor:5V/1A Reverse connect protection：30V