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Products-Wireless Meter Reading-HR-8000 Meter Reading Module
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Description:
HR-8000 is a point to point wireless AMR modules. It is special designed to reduce the wake up time when transmit to many meters and also reduce operate time. It can read one of the special user meter’s data fast. So it has more advantage than HR-8001 system.
 Condition:
Chart 1.Meter Module function summary:
Sequence
Pin Description
Function Description
Note
C1
Work Supply GND
Module Work Supply Pin GND
Work Voltage range :      2.7~5V
C2
Work Supply VCC
Module Work Supply Pin VCC
A1
Parameter Setting Power Supply GND
Parameter Setting Power  Supply Pin GND
Work Voltage range :      2.7~5V
A2
Parameter Setting Power Supply VCC
Parameter Setting Power  Supply Pin VCC
A3
RX
Parameter Setting RX Data Pin(TTL)
Connect with PC As Figure 1 Show
A4
TX
Parameter Setting TX Data Pin(TTL)
A5
RST
Module Reset after the Pin
Return to High From Low
During Work It is
Disconnect
B2
General Alarm Check
A Switch Signal can be Connected
Logic‘0’is Normal,
Logic ‘1’ will alarm  
B3、B4
Sensor A、B
Consume Water Sample Signal
Logic ‘0’ is accepted
 
Rf
antenna
 
Decided with your Using Freq Band
electrical characteristics
SN
parameter
unit
min
typical
max
note
1
Work voltage
V
3
3.3
5
Sample only when low voltage
2
Average current
uA
30
35
43
VCC=3.6V
3
Work Current
mA
20
25
30
VCC=3.6V
4
 Transmit Current
mA
30
35
40
 
5
Work temperature
-40
-20-75
80
Effected by Crystal oscillator
6
IO Output elctricity
mA
 
40
 
 
7
Work freq Band
MHz
470
471
475
 
8
modulation
FSK/GFSK
 
9
Output power
≤mW
9.5
10
10.5
 
10
Transmit bandwidth
kHz
<200
 
 
 
11
Receive sensitivity
-dBm
109
110
111
 
12
Freq Steable
kHz
-20
 
+20
 
 
13
Receive bandwidth
kHz
 
50
 
 Features:
technical parameter
Brands:HR--8000 point to point wireless AMR modules (without go into the use’s room)
Type:HR-8000
Transmit power:10mW
Receive sensitive:-112dBm
Transmit distance:200m (in the open field)
Dimension:48*20*10mm