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Description | ||||
---|---|---|---|---|
Min | Typical | Max | Units | |
Non linearity | 0.001 | 0.005 | % FR | |
Internal resolution | 24 | Bits | ||
Resolution at 1 Hz sample rate | 250,000 | Counts /Divisions | ||
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 | ±%/°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 | ||||
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 | 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 | ||||
Display Type | 7 digit LCD display, 8.8mm high digits | |||
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 | ||||
Front Panel User Keys |
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 |
Display Resolution Rate 0.5, 1, 3, 10, 25Hz Low power modes |
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Calibration | By front panel keypad buttons protected by key sequence | |||
Extra connector | RS2342 comms port | |||
Options | ||||
Serial RS232 Port, Streaming ASCIifor print, remote display and logging Leather carry case VisualLink, PC SCADA application |
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Environmental | ||||
Storage Temperature | -40 to +65ºC (excluding batteries) | |||
Operating Temperature | -10 to +50ºC (excluding batteries) | |||
CE Environmental Approvals | European EMC Directive 2004/1108/EC, Low Voltage Directive 2006/95/EC |