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Detailed Specifications |
Performance |
| IMPEDANCE | |
| M300-VAD | 10K Ohm/V |
| M300-VD1/2 | > 100K Ohm |
| M300-VD3/4 | 10K Ohm/V |
| BURDEN | |
| M300-AAD | < 2VA |
| M300-AD1/2/3/4 | 20mV drop |
| OVERLOAD | |
| Current | 4 x continuous |
| 25 x 1 second | |
| Voltage | 1.5 x continuous |
| 4 x 1 second | |
| Accuracy | ± 0.05% of reading ± 1 digits |
| Resolution | 0.05% |
| Linearity | ± 1 digit roll over error ± 2 digits |
| Conversion | Dual slope integration |
| CMR | AC 50dB 50 to 60Hz |
| DC 25 1K Ohm source unbalanced |
Environmental & Insulation |
| Working Temperature | 0-60 deg C |
| Function Temperature | -25 to +70 deg C |
| Storage Temperature | -55 to 85 deg C |
| Temperature Coefficient | 0.01% per deg C |
| Relative Humidity | 0-95% non-condensing |
| Warm up time | 1 min |
| Shock | 30g in 3 planes |
| Test Voltage | 4kV RMS 50Hz 1 min |
Auxiliary Power Supply |
| AC Voltage | 115/230/400 Volts (±25%) |
| 45 to 65 Hz Burden < 2VA | |
| DC Voltage | 24/48/110 Volts (± 20%) |
| Galvanic isolation. Burden < 3W |
Display |
| Digits | 1999 Full scale |
| Size | 14.2mm (0.56") 7 segment red |
| Decimal Point | Internally selectable |
| Overrange indication | Displays "1" or "-1" |
| Update response time | < 1 second |
| Polarity | Automatic with (-) indicating negative inputs |
Enclosure |
| DIN case | Dimensions 96 x 48 x 98 |
| Material | Black Polycarbonate Complying with UL94VO |
| Terminals | Screw type for 2 x 0.5-3.5mm |
| Weight | 0.4kg |
| Enclosure code | IP 54 NEM A 12 Optional IP65 NEM A4 |
Wiring Diagram |
| a) | All inputs (AC or DC) are connected via terminals 1 & 3 |
| b) | All Auxiliary supplies (AC or DC) are connected via terminals 6 & 8 |
| c) | Access to the "ZERO" & "SPAN" adjustment. Remove terminal |
| blanks in position 9 & 10. ZERO = 10,SPAN = 9 | |
| d) | Optional externally selectable decimal point. 16=common, 15=1.999 |
| 14 = 19.99, 13=199.9 Link 16 as required. |
Dimensions |
Contact sales: sales@hobut.co.uk
