Datasheet
www.tektronix.com/dmm4050_4040 15
Digital Multimeters – Tektronix DMM4050 and DMM4040
Continuity
Characteristic Description
Continuity Threshold Selectable between 1 Ω and 1000 Ω
Test Current 1 mA
Response Time 300 S/s with audible tone
Accuracy is given as ±(% measurements + % of range)
Range 24 Hour
(23 °C ±1 °C)
90 Days
(23 °C ±5 °C)
1 Year
(23 °C ±5 °C)
Temperature
Coefficient/°C
Outside 18
to 28 °C
1000.0 Ω 0.002 + 0.01 0.008 + 0.02 0.01 + 0.02 0.001 + 0.002
Measurement Rates (IEEE488
*16
)
Function Digits Setting Integration Time 60Hz
(50 Hz)
Measurements/Second*
13
DMM4040 DMM4050
DC Volts, DC Current, and
Resistance
6½ 100 NPLC 1.67 (2) s 0.6 (0.5) 0.6 (0.5)
6½ 10 NPLC 167 (200) ms 6 (5) 6 (5)
5½ 1 NPLC 16.7 (20) ms 60 (50) 60 (50)
5½ 0.2 NPLC 3.3 ms 270 270
4½ 0.02 NPLC 500 μs 995 995
AC Voltage and AC
Current*
14
6½ 3 Hz 0.47 0.47
6½ 20 Hz 1.64 1.64
6½ 200 Hz
*15
4.5 4.5
Frequency and Period 6½ 1s 1 1
5½ 100 ms 9.8 9.8
4½ 10 ms 80 80
Capacitance 6½ NA 2
*
13
Typical measurement rates with auto-zero off, delay = 0, display off, auto range off and math off.
*
14
Maximum measurement rates for 0.01% of AC step. When DC input varies, additional settling delay is required.
*
15
For remote operation or external trigger using default settling delay.
*
16
Speeds available in OutG SW 1.0.700.18 or higher. Note that the measurement rates for RS232 can vary depending on the baud rate chosen. If the baud rate selected is 115,200,
the maximum measurement rate is 711 measurements. The LAN bus has a maximum measurement rate of 963 measurements.
Diode Test
Characteristic Description
Test Current 100 μA or 1 mA
Response Time 300 S/s with audible tone
Accuracy is given as ±(% measurements + % of range)
Range 24 Hour
(23 °C ±1 °C)
90 Days
(23 °C ±5 °C)
1 Year
(23 °C ±5 °C)
Temperature
Coefficient/°C
Outside 18
to 28 °C
5.0000 V 0.002 + 0.002 0.008 + 0.002 0.01 + 0.002 0.001 + 0.002
10.0000 V 0.002 + 0.001 0.008 + 0.002 0.01 + 0.002 0.001 + 0.002