2
Specifications are subject to change without notice UDM40DS 040706
UDM40
Additional errors
Humidity
0.3% RDG, 60% to 90% R.H.
Input frequency
0.4% RDG, 62 to 440 Hz
Magnetic field
0.5% RDG @ 400 A/m
Temperature drift
See table “Measurement
accuracy, temperature drifts,
and max/min indications”
Sampling rate
500 samples/s @ 50 Hz
Display refresh time
200 msec @ 50Hz
Display
4 DGT,
7 segments
height 14.2 mm
Colour
Selectable (red, amber,
green)
Max and min indication
See table “Measurement
accuracy, temperature drifts
and max min indications”
Measurements
Current, voltage, temperature
and resistance. For the cur-
rent and voltage measure-
ments: TRMS measurement
of distorted sine waves.
Coupling type
Direct
Crest factor
≤
3; APmax=1.7In; VPmax=1.7Un
Input impedance
See table “input
impedances and overloads”
Frequency
40 to 440 Hz
Overload
See table “input
impedances and overloads”
Compensation
Only temperature
measurement module.
RTD
- For Pt 100-250-500-1000,
3-wire connection: up to 10
Ω
- For resistance measur. with
20
Ω range: up to max 0.1Ω
- For resistance measurements
with
≥200Ωrange:uptomax10Ω
TC
Internal cold junction, within
temperature range from
0 to +50°C.
Automatic or manual com-
Input specifications (cont.)
Module
Inputs
Type
Accuracy
Temp. drift
Min. indication ( )
Max. indicat. ( )
BQ LSX/
BQ LSE/
BQ LSF
-200µA to +200µA
-2mA to +2mA
-20mA to +20mA
-200mV to +200mV
-2V to +2V
-20V to +20V
DC/AC
DC: ±(0.1%RDG+3DGT)
0% to 25% FS;
±(0.1%RDG+2DGT)
25% to 110% FS.
TRMS (da 45 a 65Hz)*:
±(0.3%RDG+3DGT)
0% to 25% FS;
±(0.3%RDG+2DGT)
25% to 110% FS.
±150 ppm/°C
- 200.0
- 2.000
- 20.00
- 200.0
- 2.000
- 20.00
+ 200.0
+ 2.000
+ 20.00
+ 200.0
+ 2.000
+ 20.00
BQ HSX
-200mA to +200mA
-2A to +2A
-5A to +5A
-20V to +20V
-200V to +200V
-500V to +500V
DC/AC
DC: ±(0.1%RDG+3DGT)
0% to 25% FS;
±(0.1%RDG+2DGT)
25% to 110% FS.
TRMS (45 to 65Hz)*:
±(0.3%RDG+3DGT)
0% to 25% FS;
±(0.3%RDG+2DGT)
25% to 110% FS.
±150 ppm/°C
- 200.0
- 2.000
- 5.000
- 20.00
- 200.0
- 500.0
+ 200.0
+ 2.000
+ 5.000
+ 20.00
+ 200.0
+ 500.0
BQ TRX
Thermo-
couple
-50°C to +760°C
-58 °F to +1400 °F
-200°C to +1260°C
-328 °F to +2300°F
-200°C to +1000°C
-328°F to +1832°F
-50°C to +1750°C
-58°F to +3182°F
-200°C to +400°C
-328°F to +752°F
J
J
K
K
E
E
S
S
T
T
±(0.2%RDG+1DGT)
±(0.2%RDG+2DGT)
±(0.2%RDG+2DGT)
±(0.2%RDG+4DGT)
±(0.2%RDG+2DGT)
±(0.2%RDG+4DGT)
±(0.2%RDG+2DGT)
±(0.2%RDG+4DGT)
±(0.2%RDG+2DGT)
±(0.2%RDG+4DGT)
±150 ppm/°C
- 50°C
- 58°F
- 200°C
- 328°F
- 200°C
- 328°F
- 50°C
- 58°F
- 200°C
- 328°F
+ 760°C
+ 1400°F
+ 1260°C
+ 2300°F
+ 1000°C
+ 1832°F
+ 1750°C
+ 3182°F
+ 400°C
+ 752°F
Measurement accuracy, temp. drifts, max and min indications
All accuracies and min/max indications are referred to an ambient temp. range of 25°C ±5°C, rel. humidity
≤60% and scale ratio (electri-
cal/displayed scale) equal to 1. The conversion into °F is obtained acting on the electrical/displayed scale ratio.
*
<45Hz >65Hz= ±(0.5%RDG+3DGT) 0% to 25% FS; ±(0.5%RDG+2DGT) 25% to 110% FS.
( )
The min. indication for TRMS measurement (AC or DC) is 0; it is possible to modify the decimal point position.
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