Applied Measurements Limited
B24 Telemetry User Manual
70
Specification
Specification with 1000R bridge, 2.5mV/V, at 3V supply at 25
°
C
Measurement
Min
Typical
Max
Units
Strain Gauge Excitation System
4 Wire
Strain Gauge Excitation Voltage
2.3
terminal Voltage
3.75
Vdc
Strain Gauge Drive Capability
85
-
5000
Ω
Maximum Gauge Sensitivity (FR)
48
+/-mV/V
Offset Temperature Stability
±5
ppm/
°
C
Gain Temperature Stability
1
4
ppm/
°
C
Non Linearity before Linearisation
6
15
ppm of FR
Internal Resolution
16,000,000 / 24
Resolution / Bits
Noise Free Resolution @ 2.5 mV/V
19,000 / 14.25
110,000 / 16.75
Resolution / Bits
1.
From original offset at any time.
2.
First year.
Environmental
Min
Typical
Max
Units
Operating temperature range
-40
+85
°
C
Storage Temperature
-40
+85
°
C
Humidity
0
95
%RH
Power Supply
Min
Typical
Max
Units
Standby
6
10
µA
Power Supply voltage
2.3
3.0
3.75
Vdc
Power Supply ripple
50
mV ac pk-pk
Peak Current (1K Bridge)
20
30
mA
Battery Life Generating Results at 1Hz with
1000 Ohm Load Cell
Usage
Battery Life
Pair AA cells (3000 mAh)
Constantly on
10 months