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wiki:eevblog_121gw [2019/04/01 22:31]
roly128
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-{{ :​wiki:​121gw.jpg?​nolink&​200|}}====== EEVBlog 121GW Multimeter ====== 
-[[https://​www.eevblog.com/​product/​121gw/​|121GW Product Webpage]]\\ 
-{{ :​wiki:​manual-29-january-2019-1.pdf |121GW User's Manual (08.02.2019)}}\\ 
-{{ :​wiki:​121gw-eevblog-circuit-diagram.pdf |121GW Circuit Diagram}}\\ 
-{{ :​wiki:​revised-packet-format-blob-v2.pdf |121GW BLE Packet Protocol Format}}\\ 
-[[https://​www.eevblog.com/​product/​121gw/#​tab-lumia-tab-firmware|121GW Latest Firmware]]\\ 
-[[https://​www.eevblog.com/​product/​121gw/#​tab-lumia-tab-software|121GW PC Software]] 
  
-===== Fuses ===== 
- 
-[[https://​www.eevblog.com/​product/​multimeter-fuse-pack/​|121GW Multimeter Fuses]] 
-  * HV110 11A 30kA 1000V HRC (10x38mm) 
-  * HV620 400mA 10kA 1000V HRC (6x32mm) 
- 
- 
-===== Features: ===== 
- 
-  * Bluetooth connectivity (multi-device capability) 
-  * Open Source Cross Platform application software (Android + Windows, and more soon) 
-  * 15V Diode Test Voltage (useful for Zeners + LED strings etc) 
-  * VA Power measurement 
-  * Low Burden™ voltage 
-  * Unique burden voltage display 
-  * Micro SD Card data logging + firmware updating 
-  * Other major features include: 
-  * Dual 50,000 count display with bargraph 
-  * 0.05% + 5 Basic DCV Accuracy 
-  * Auto-Hold measurement 
-  * 600V CAT-III with independent UL 61010 certification by ETL 
-  * Safe operation through HRC fuse + TVS + PTC + MOV + Diode Bridge protection 
-  * AD8436 >100KHz True RMS 
-  * 4 x AA battery powered with 500+ hr battery life 
-  * Compact design – 84 × 165 × 59 mm (W × L × H) 
-  * Hackable ST ARM Cortex M3 processor (S-LINK/V2 programmer interface inside) 
-  * Hycon HY3131 chipset 
-  * MAX4238 Low Offset Amplifier for current ranges 
-  * SD Card firmware update 
-  * Full Open Schematic available 
-  * 8ppm ADR3412 voltage reference 
- 
-The meter is manufactured by UEI Test Instruments,​ a reputable US based designer and manufacturer of high quality test gear. The design work was primarily done by UEI, but with a great deal of design input and direction from Dave. The meter is manufactured in South Korea. 
- 
-NOTE: The meter may come with either Brymen (gold) probes or UEI (nickel) probes depending upon availability at the time. Both are high quality silicone rubber probes. 
wiki/eevblog_121gw.1554150707.txt.gz · Last modified: 2019/04/01 22:31 by roly128