CEM DT-921 Compact True RMS Digital Multimeters Digital Display

CEM DT-921 Compact True RMS Digital Multimeters Digital Display 
Notice:
  The standard package don't include batteries.Because,the international air shipping forbid to ship liquid,powder and batteries,we can not put them in the package box.Hope you can understand buy them in your local store or supermarket.
At the same time, please forgive us that we are unable to provide the English user manual. If you need it, please contact the customer service after purchase.
Thanks for your support!
Features
  920/920N/920L 921/921N 920H 922 922H 931H 932H
Digital display counts 2000 2000 2000 4000 4000 6000 6000
True RMS measurements         * * *
Backlight 920L         * *
Data Hold/REL measurements Hold Hold   Hold * Hold Hold
LoZ low impedance measurement             *
Auto Power Off       * * * *
Fast and accurate capacitance
measurement         * * *
Auto Ranging   *   * * * *
MAX/MIN Hold   MAX       * *
Duty Cycle         *   *
Non-Contact ACV detection (NCV) 920N 921N *     * *
Motor shaking & LED indicatore
for NCV detection           *  
61-segments analog bargraph           * *
Test 1.5V and 9V batteries     *        
Full ranges protection     *   * * *
Specifications
Function Max Range Basic Accuracy 920/920N/920L 921/N 920H 922 922H 931H 932H
Voltage DC 600V ±0.5% * * * * * 1000V 1000V
Voltage AC 600V ±1.2% * * * * * 1000V 1000V
Current DC 10A ±2.5% * * * * * * *
Current AC 10A ±3.0% * * * * *
Resistance 2M? ±0.8% * 20M? *
40M? ±0.8% * *
60M? ±2.0% * *
Capacitance 99.99mF ±3.0% 100µF 4mF * *
Frequency 10MHz ±1.5% * 9.999MHz * *
Temperature 760ºC/1400ºF ±1.5% 921N * * * *
Duty Cycle 99.9% ±1.2% * * *
Diode Check * * * * * * *
Continuity Test * * * * * * *