Remote Interfaces; Warranty; Electrical Specifications; Dc Voltage Specifications - Tektronix DMM4040 User Manual

DMM4040/4050
Users Manual
Overrange ............................................................... 20 % on all ranges except 1000 V dc, 1000 V ac

Remote Interfaces

RS-232C, DTE 9-pin, 1200 to 230400 baud (RS-232C to USB cable available to connect the Meter to a PC USB port.
See Accessories)
IEEE 488.2
LAN and "Ethernet 10/100 base T with DHCP (for IP_ADDRess) option"

Warranty

Three years

Electrical Specifications

Accuracy specifications are valid for 6½ digit resolution mode after at least a 1-hour warm-up with Auto Zero enabled.
24-hour specifications are relative to calibration standards and assume a controlled electromagnetic environment per
EN 61326-1:2000-11

DC Voltage Specifications

Maximum Input ....................................................... 1000 V on any range
Common Mode Rejection ....................................... 140 dB at 50 or 60 Hz 0.1 % (1 k
Normal Mode Rejection .......................................... 60 dB for NPLC of 1 or greater with analog filter off and power line
Measurement Method ............................................. Multi-ramp A/D
A/D Linearity ........................................................... 0.0002 % of measurement +0.0001 % of range
Input Bias Current ................................................... <30 pA at 25 C
Autozero Off Operation ........................................... Following instrument warm-up at calibration temperature 1 C and
Analog Filter............................................................ When using the analog filter, specifications are relative to within one
DC Ratio ................................................................. Accuracy is +/- (Input accuracy + Reference accuracy), where Input
Settling Considerations ........................................... Measurement settling times are affected by source impedance, cable
Input Characteristics
Range Resolution
100 mV 100.0000 mV
1 V 1.000000 V
10 V 10.00000 V
100 V 100.0000 V
1000 V 1,000.000 V
[1] Inputs beyond 14 V are clamped through 200 k
1-16
Diode, and 10 A ranges
frequency 0.1 %
100 dB for NPLC of 1 or greater with analog filter on and power line
frequency 0.1 %
less than 10 minutes, add error: 0.0002 % range additional error
+5 V.
hour of using the ZERO function for that range and NPLC setting.
accuracy = DC Voltage accuracy for the HI to LO Input (in ppm of the
Input voltage), and Reference accuracy = DC Voltage accuracy for the
HI to LO (Sense) Reference (in ppm of the Reference voltage).
dielectric characteristics, and input signal changes.
Resolution
4½ Digits 5½ Digits
10 V 1 V
100 V 10 V
1 mV
100 V
10 mV 1 mV
100 mV 10 mV
typical. 10 M is default input impedance.
unbalance)
Input Impedance
6½ Digits
100 nV
10 M or >10 G
1 V 10 M or >10 G
10 V 10 M or >10 G
100 V 10 M
1 mV
10 M
[1]
[1]
[1]
1%
1%