Wireless handheld terminal unit for remote meter reading

Application:

The wireless handheld terminal unit  HT2900-WAMR is used for remote water/gas meter reading, communicate with water and gas meters through RF module and communicate with computers via USB port: motherboard module completes the related operations provided by protocol and corresponding status display from MRT module, realizes communication with upper computers’ database.        

Parameters:

   

CPU	Embed	Character Database	16X15 matrix Chinese character database
ROM	512KB(Firmware memory of about 150KB)	Display	128x128 Graphic LCD (with back light)
FLASH	16MB	Operating System	HTOS English operating system
RAM	512KB	Net Weight	APP. 143g
Operating Temperature	-20°C~50°C	Dimension	165mm(L)X67mm(W)X27mm(H)
Keypad	26 keys	Chinese Character Input Kit	Pinyin input kit
Battery	Four AAA Ni-MH rechargeable batteries, or four AAA alkaline batteries	Programming Language	MS C, BORLAND C, TURBO PASCAL, IBM assembly, HT Base(quasi-dBas Ⅲand FoxBASE database languages) etc.
Application Environment	Dust-and water-proof: (IEC) IPX3 Impact strength at drop test: Drop to concrete ground from 1.2m height.	Communication	One serial port (maximum speed: 115200bps) High-speed infrared interface(9600bps~115200bps, optional) Standard infrared interface(1200bps, optional) USB1.1 interface RF Module(9600bps, optional)

     

Accessories and software:

USB Driver Sitting chargers USB cables (SR232 and USB interface) Software named WAMR NET SYSTEM is used to be installed in operator’s PC for householder’s profiles input by hand. Householder’s information edited and added into the small software WAMR NET SYSTEM. Two procedures pre-installed inside: WAMR_NET. exe and SCtest.exe. SCTEST procedure is just used for single meter test, no need householder’s information pre-input by the software WAMR NET SYSTEM and download into HT-2900.