Hioki RM3545 - Page 11

11
Resistance D/A output accuracy (RM3545)
Output accuracy
Resistance measurement accuracy ±0.2%f.s., (temperature coefcient ±0.02%f.s./°C)
Response time
Measurement time + Max. 1 ms
RM35 45
Z3003 additional error
Effects of leak current
Add a reading error shown on right depending on the measurement current
(when using guarding) (With humidity of less than 70% RH. If the humid-
ity is greater than or equal to 70% RH, add the following rdg. error × 5.):
1×10
-9
[A]
I
MEAS
[A]
×100 [%rdg.]
Effect of measurement
speed
Add the f.s. error component shown on right when the integration time is
not a whole-number multiple of the power supply cycle:
A
fs
× 0.5 [%rdg.]
Effect of offset voltage
Add the resistance shown on right to the error when OVC is OFF:
10×10
-6
[V]
I
MEAS
[A]
[Ω]
Effect of offset resistance
fluctuations
When using a 2-wire setup, add the wiring resistance shown on right to
the error component.
0.1 Ω
Temperature coefficient
From 0°C to 18°C and 28°C to 40°C, add a temperature coefcient of ±(1/10 of additional accuracy) / °C.
I
MEAS
: Measurement
current
A
fs
: f.s. error component
for RM3545
-02 with
Z3003
Additional accuracy when using the Z3003
When performing measurements using the Z3003, the following uncertainties are added to the RM3545 specications
(accuracy):
RM35 45
RM35 44
Accuracy = ±(% rdg. + % f.s.)
• f.s. = calculated 30,000 dgt., where 0.010% f.s. = 3 dgt.
Range
Max. measurement
display
*6,*7
FAST MED/SLOW
Measurement
Current
*8
Open-Circuit
Voltage
30mΩ 35.000mΩ 0.030+0.080 0.030+0.070 300mA
5.5Vmax.
300mΩ 350.00mΩ 0.025+0.017 0.025+0.014 300mA
3Ω 3.5000Ω 0.025+0.017 0.025+0.014 30mA
30Ω 35.000Ω 0.020+0.010 0.020+0.007 10mA
300Ω 350.00Ω 0.020+0.010 0.020+0.007 1mA
3kΩ 3.5000kΩ 0.020+0.010 0.020+0.007 1mA
30kΩ 35.000kΩ 0.020+0.010 0.020+0.007 100μA
300kΩ 350.00kΩ 0.040+0.010 0.040+0.007 5μA
3MΩ 3.5000MΩ 0.200+0.010 0.200+0.007 500nA
*6 For negative values, to -10% f.s.
*7 The maximum display range is 99,999dgt.
*8 Measurement current accuracy is ±5%.
RM3544
( Example) 0.020 + 0.007 ....... 0.020 % rdg. + 0.007 % f.s.
• Analog Input
(for RM3545)
Guaranteed accuracy range
0 to 2 V
Maximum allowable voltage
2.5V
Resolution
1mV
Display range
-99.9 to 999.9 ºC
Measurement period (speed)
Approx. 50 ms,
no moving average
Period of guaranteed accuracy
1 year
Accuracy
±1%rdg. ±3 mV
RM35 45
Temperature measurement accuracy (RM3544/RM3545)
• Temperature Sensor Z2001 and RM3545/RM3544/RM3544-01
combined accuracy
Temperature Accuracy
-10.0 ºC to 9.9 ºC
± (0.55 + 0.009 × |t-10| ) ºC
10.0 ºC to 30.0 ºC
± 0.50 ºC
30.1 ºC to 59.9 ºC
± (0.55 + 0.012 × |t-30| ) ºC
60.0 ºC to 99.9 ºC
± (0.92 + 0.021 × |t-60| ) ºC
Standalone instrument accuracy: ± 0.2 ºC
t: Temperature measurement values [ºC]
• Temperature Sensor Z2001
(for RM3544/RM3544
-01)
Range of guaranteed accuracy
-10.0 to 99.9 ºC
Display refresh rate
Approx. 2 s
Guaranteed accuracy period
1 year
RM35 44RM35 45
* Shortest time when using an external trigger source or with continuous mea-
surement off (other than free-run). With a delay of 10 ms, TC on, comparator
on, OVC off, and averaging off. Measurement speed varies with the selected
range and settings. For more information, please see the Instruction Manual.
Range
Measurement
current
Measurement speed
FAST
MED
SLOW1 SLOW2
50Hz 60Hz
10 mΩ
N/A 41 61 58 141 241
100 mΩ High 41 61 58 141 241
1000 mΩ High 2.2 22 19 102 202
10 Ω High 2.2 22 19 102 202
100 Ω High 2.8 23 20 103 203
Unit: ms,
Tolerance: ±10% ±0.2 ms
Measurement time typical values (RM3545)
RM35 45
RM35 44
* With TC set to ON and the comparator set to ON
Measurement speed
FAST
MED SLOW
50Hz 60Hz
21 18 101 401
Unit: ms, Tolerance: ±10% ±2 ms
Measurement time (RM3544)