Moore Industries SPA2 - Page 83

www.miinet.comMoore Industries-International, Inc.
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User’s Manual
224-790-00K
May 2018
www.miinet.com
Table 7.2. Long-Term Stability
Input-to-Output
(Years)
Input-to-Relay
(Years)
Stability
(% of maximum
span)
RTD, Ohm, & Pot Inputs
T/C & mV Inputs
1
0.09
0.08
3
0.16
0.14
5
0.21
0.18
1
0.047
0.008
3
0.081
0.014
5
0.104
0.019
Table 7.3. Normal Mode Rejection Ratio
Sensor Type
Max. p-p Voltage Injection for
100dB at 50/60Hz
150mV
80mV
250mV
1V
500mV
100mV
1V
250mV
100mV
T/C: J, K, N, C, E
T/C: T, R, S, B
Pt RTD: 100, 200, 300ohms
Pt RTD: 400, 500, 1000ohms
Ni: 120ohms
Cu: 9.03ohms
mV
250-1000
62.5-250
31.25-62.5
Resistance
1-4kohms
0.25-1kohms
0.125-0.25kohms
Table 7.4.
Ambient Temperature Effect
*RTD
Millivolt
Ohm
0.0035°C
0.5microvolts + 0.005% of reading
0.002ohms + 0.005% of reading
Thermocouple
Accuracy per 1°C (1.8°F) change in Ambient
J
K
E
T
R, S
B
N
C
mV
0.00016°C + 0.005% of reading
0.0002°C + 0.005% of reading
0.00026°C + 0.005% of reading
0.0001°C + 0.005% of reading
0.00075°C + 0.005% of reading
0.0038°C + 0.005% of reading
0.0003°C + 0.005% of reading
0.00043°C + 0.005% of reading
0.5microvolts + 0.005% of reading
Accuracy per 1°C (1.8°F) change in Ambient
*Accuracy of Ni672 is 0.002°C
Programmable Limit Alarm Trips
SPA
2
SECTION 7
SECTION 7