Zhejiang DMX300E DMX300F reliable quality, the National Hot 
 DMX300A DMX300B DMX310C DMX300D 
 DMX300E DMX300F XL-7545A XL-75A / R 
 XL-7545V XL-75Hz XL-75cos ∮ XL-75A / S 
 XL-75A/3B XL-75V/3B XL-75C / 3 XL-75C / 2 

 DMX300A standard 
 ① 3 rows of LED digital display 
 ② measuring voltage, current, active power, reactive power, apparent power, power factor, is 
 Active power, reactive power degree of responsibility, degree of reactive power is negative VAR-parameters such as power 
 ③ The 32-bit embedded microprocessors, ISP programming 
 ④ RS485 communication interface, MODBUS-RTU communication protocol 
 ⑤ standard rail mounting, dimensions: 82 × 82 × 90mm (L × W × H) 
 Optional (requires external) 
 All the way to switch output, Road switch inputs, each instrument has up to four optional modules. 

 DMX300B 
 Standard 
 ① 3 rows of LED digital display 
 ② measuring voltage, current, active power, reactive power, apparent power, 
 Power factor, frequency, is active power, reactive power degree of responsibility, degree of reactive power is negative reactive power 
 Parameters such as degree of power 
 ③ with 7-channel switch input, 2-way remote control output, 1 alarm output 
 ④ 32-bit embedded microprocessors, ISP programming 
 ⑤ RS485 communication interface, MODBUS-RTU communication protocol 
 ⑥ standard rail mounting, dimensions: 120 × 120 × 105 (L × W × H) 

 DMX310C 
 Standard 
 ① LCD liquid crystal display 
 ② measuring voltage, current, active power, reactive power, apparent power, power factor, frequency, is active power, reactive power degree of responsibility, degree of reactive power is negative VAR-parameters such as power 
 ③ with 4 digital inputs, 2 relay outputs 
 ④ real-time clock display 
 ⑤ 32-bit embedded microprocessors, ISP programming 
 ⑥ RS485 communication interface, MODBUS-RTU communication protocol 
 ⑦ standard rail mounting, dimensions: 96 × 96 × 110mm (L × W × H) 
 Optional 
 Restoration costs accrual rate function (points 8 hours recording) 
 ② failure event record (records up to 16 messages) 

 DMX300D 
 Standard 
 ① 3 rows of LED digital display 
 ② measuring voltage, current, active power, reactive power, apparent power, power factor, 
 Frequency, is active power, has a VAR-being reactive power degree, degree of negative reactive power consumption 
 Parameter 
 ③ with 4 digital inputs, 2-way remote control output 
 ④ 32-bit embedded microprocessors, ISP programming 
 ⑤ RS485 communication interface, MODBUS-RTU communication protocol 
 ⑥ standard rail mounting, dimensions: 96 × 96 × 110mm (L × W × H) 

 DMX300E 
 Standard 
 ① LCD liquid crystal display 
 ② measuring voltage, current, active power, reactive power, apparent power, power factor, 
 Is active power, reactive power degree of responsibility, degree of reactive power is negative VAR-parameters such as power 
 ③ The 32-bit embedded microprocessors, ISP programming 
 ④ RS485 communication interface, MODBUS-RTU communication protocol 
 ⑤ standard rail mounting, dimensions: 82 × 82 × 90mm (L × W × H) 
 Optional 
 Harmonic measurement function (up to 21 times) 

 DMX300F 
 ① LCD large LCD display 
 ② measuring voltage, current, active power, reactive power, apparent power, power factor, frequency, is active power, has a VAR-parameters such as power 
 ③ with 4 digital inputs, 2 digital outputs 
 ④ real-time clock display 
 ⑤ degree of sharing power function (points 8 hours recording) 
 ⑥ failure event record (records up to 16 messages) 
 Degree of functional electrical pulse ⑦ 
 ⑧ quantitative send analog output 
 ⑨ 3-31 harmonic measurement functions 

 XL-75, 45A single-phase ammeter 
 XL-75A / R single-phase meter with communication 
 XL-75, 45V single-phase voltmeter 
 XL-75Hz frequency table 
 XL-75cos ∮ table 
 XL75A / S one-way meter (with transmitter output) (B-type for the three rows directly display; C type for the combination of display) 
 XL-75A/3B three-phase ammeter 
 XL-75V/3B three-phase voltage meter 
 XL-75C / 3 current, voltage, power factor meter combination 
 XL-75C / 2 current, voltage combination table