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Description
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|
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Min
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Typical
|
Max
|
Units
|
|
Non linearity
|
|
0.001
|
0.005
|
% FR
|
|
Internal resolution
|
|
24
|
|
Bits
|
|
Resolution at 1 Hz sample rate
|
|
250,000
|
|
Counts /Divisions
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|
Resolution at 10 Hz smaple rate
|
|
65,000
|
|
Counts /Divisions
|
|
Temperature effect on zero
|
|
0.0002
|
0.0007
|
±%FC/°@2.5mV/V
|
|
Temperature effect on span
|
|
0.0002
|
0.0005
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±%/°C
|
|
Offset stability
|
|
0.002
|
0.008
|
±%FR*
|
|
Gain stability
|
|
0.003
|
0.01
|
% per annum
|
|
Excitation voltage
|
4.8
|
5
|
5.2
|
Vdc
|
|
Strain gauge impedance
|
85
|
350
|
5,000
|
Ohms
|
|
Sensitivity full range, setting 1
|
-5
|
|
+5
|
mV/V
|
|
Sensitivity full range, setting 2
|
-50
|
|
+50
|
mV/V
|
|
* from original offset at any time
|
|
Performance
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|
Input Type
|
Strain Gauge Full Bridge Sensors
|
|
Internal Battery
|
2 x AA Alkaline, access via sealed rear compartment, please note batteries are not included
|
|
Battery Life
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With 350R sensor continuously on 35 hours or up to 450 hrs in low power mode
|
|
Update Rate Strain Gauge Full
|
10mS to 2s Including Peak/Valley Hold capture rate
|
|
Indication
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|
Display Type
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7 digit LCD display, 8.8mm high digits
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|
Display Resolution
|
1 part in 250,000 at 1s update
|
|
Annunciators
|
Low battery warning peak, trough, hold, net, shunt cal, range, by LCD annunicators
|
|
Control Variables
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|
Front Panel User Keys
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Tactile Keys for:-
ON/OFF/TROUGH Switches PSD power on/off/displays trough reading
RANGE Selects between two ranges,
PEAK displays peak reading
HOLD Switches Hold on/off
GROSS/NET Toggles between gross and net readings
SHUNT CAL Puts PSD units shunt calibration mode (100k resistor)
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|
Settable Parameters
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Display Resolution
Rate 0.5, 1, 3, 10, 25Hz
Low power modes
|
|
Calibration
|
By front panel keypad buttons protected by key sequence
|
|
Extra connector
|
RS2342 comms port
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|
Options
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Serial RS232 Port, Streaming ASCIifor print, remote display and logging
Leather carry case
VisualLink, PC SCADA application
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|
Environmental
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|
Storage Temperature
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-40 to +65ºC (excluding batteries)
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|
Operating Temperature
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-10 to +50ºC (excluding batteries)
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|
CE Environmental Approvals
|
European EMC Directive 2004/1108/EC, Low Voltage Directive 2006/95/EC
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