Status Instruments DM4000U, Manual

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PHYSICAL
Dimensions 48 x 96 x 140mm
Mounting Panel cutout(91 to 92)mm x (43 to 44)mm
Terminals All two part captive screw terminals
Weight 850g
(i) The accuracy values rep/- spread from nominal. Unless otherwise
stated '%' represents the percentage of full scale value.
(ii) '%' represents percentage of reading in stated units
(iii) Represents the valid thermistor temperature range used for measuring Cold
junction temperature.
Slight internal warming from the unit means that temperature is 3 or 4°C
above ambient.
(iv) Average taken over a 1 second time frame. Acquisition defined as complete
refresh of electrical sensor value including readings to compensate for gain
and offset errors.
(v)
Cold junction accuracy includes thermal tracking error, temperature
measurement error and linearisation error. This should be added to the
individual thermocouple accuracy to get an overall accuracy value.
(vi)
'%' represents percentage of full scale value.
(vii) Input is measured correctly within a small margin outside the normal range.
This is 7% for bipolar (+/-) electrical inputs. Current inputs that go down to
zero do not under-range otherwise all other sensor inputs have a 7%
over/under-range margin.
(viii) This may be extended with suitable buffering
(ix)
There is an internal 10M ohm pull down resistor to -2.5V. This is only
significant for high source impedance mV inputs.
(x) 50mV and 100mV respectively.
(xi) 1V and 10V respectively.
(xii) With respect to Pin 1 or Pin 5.
APPENDICES
APPENDIX B
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