M300 Specification

INPUT..........TYPE............RANGE
AC VOLTS.. M300-VAD.. 0.....600V
 DC VOLTS.. M300-VD1 ...± 50/60/75/100/150mV
 DC VOLTS.. M300-VD2 ...± 50mV ..... 1999mV
 DC VOLTS ..M300-VD3 ...± 2V.....199.9V
 DC VOLTS ..M300-VD4 ...± 200V....600V
 AC AMPS ..M300-AAD.. 1 or 5 AC (0.2 TO 10A)
DC AMPS ..M300-AD1 ...± 1 / 5 / 10 / 20mA
 DC AMPS ..M300-AD2 ...± 100uA..... 199.9uA
 DC AMPS ..M300-AD3... ± 20mA......10A
 DC AMPS ..M300-AD4 ...4/20mA
FREQUENCY M300-HZD 35Hz..... 199.9Hz
PERFORMANCE
IMPENDANCE :-
M300-VAD 10k Ohm/V
 M300-VD1/2 >100k Ohm/V
 M300-VD3/4 10k Ohm/V
BURDEN
 M300-AAD < 2VA
 M300-AD1/2/3/4 20mV
OVERLOAD
 Current 4 x continuous
 25 x 1 second
 Voltage 1.5 x continuous
4 x 1 second
Accuracy ± 0.05% of reading ± 1 digit
 Resolution 0.05%
 Linearity ± 1 digit roll over error ± 2 digits
 Conversion Dual slope integration
 CMR AC 50dB 50 to 60 Hz
 DC 25 1k Ohm source unbalanced.
 Normal mode rejection 25dB 50 to 60Hz
ENVIRONMENTAL
Working Temperature 0 to +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

INSULATION
Test Voltage 4kV RMS 50Hz 1 min
AUXILIARY
AC Voltage 115 or 230 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 (o.56") 7 segment red
 Decimal point Internally selectable
 Overrange indication Display "1" or "-1"
 Update response time < 1 second
 Polarity Automatic with (-) indicating
 negative inputs
ENCLOSURE
Standard DIN case 96 x 48 x 94 mm
 Panel mount Via retaining side brackets and screws
 Panelcutout 92 + 0.8mm x 45 + 0.8mm
 Material Black Polycarbonate complying with
 UL 94 VO
 Terminals Screw terminal for 2 x 0.5-3.5mm
 Enclosure code IP54 NEMA 12
 Weight 0.4kg
GENERAL & SAFETY INSTRUCTIONS
All units built and tested for safety, accuracy, quality and
 reliability. Units are delivered fully calibrated, however
 adjustments to "ZERO" and "SPAN" can be made by removing
 the appropriate covers on the rear of the instrument.
 These products must be installed by a qualified engineer.
 VOLTAGE dangerous to human life may be present at some of
 the terminals of this unit. Exercise extreme caution during
 installation.