MODEL: 73VR21
INPUT TYPE, RANGE, ACCURACY & TEMPERATURE COEFFICIENT
Table 1. DC Voltage Input
* Accuracy: Applicable with the common mode voltage 0V be-
tween C terminals of all channels and between C terminal
of each channel and FG terminal.
INPUT RANGE
±±0 mV
±125 mV
±250 mV
±500 mV
±1000 mV
±3 V
ACCURACY (mV)
±0.05
±0.0ꢀ
±0.13
±0.3
±0.5
±3
The effects by the following factors are excluded: Fast A/D
conversion mode; temperature drift with the REM3 directly
mounted to the I/O terminals; wire resistance; burnout sens-
ing current with upscale/downscale settings.
With 100 msec. storing rate, measured value may be sus-
ceptible to inaccuracies due to the fast update cycle. If this
is the case, please choose 500 msec. or slower rate.
±± V
±5
±12 V
±10
Table 2-1.Thermocouple Input, Celsius
Table 2-2.Thermocouple Input, Fahrenheit
USABLE
RABGE (°C)
0 to 1ꢀꢀ0
CONFORMANCE ACCURACY
USABLE
RABGE (°F)
32 to 321ꢁ
CONFORMANCE ACCURACY
T/C
(PR)
T/C
(PR)
RANGE (°C)
400 to 1ꢀꢀ0
(°C)
±4.±
±1.5
±0.ꢁ
±1.0
±1.3
±ꢀ.2
±4.ꢁ
±5.3
±4.ꢂ
±1.ꢂ
±1.3
±1.0
±1.ꢀ
RANGE (°F)
ꢀ52 to 321ꢁ
(°F)
±ꢁ.3
±2.ꢀ
±1.5
±1.ꢁ
±2.4
±13.0
±ꢁ.ꢀ
±ꢂ.±
±ꢁ.ꢂ
±3.5
±2.4
±1.ꢁ
±3.1
K (CA)
E (CRC)
J (IC)
T (CC)
B (RH)
R
-2ꢀ0 to +13ꢀ0 0 to 13ꢀ0
-2ꢀ0 to +1000 0 to 1000
-210 to +1200 0 to 1200
-2ꢀ0 to +400 0 to 400
K (CA)
E (CRC)
J (IC)
T (CC)
B (RH)
R
-454 to +24ꢂꢁ 32 to 24ꢂꢁ
-454 to +1ꢁ32 32 to 1ꢁ32
-34± to +21ꢂ2 32 to 21ꢂ2
-454 to +ꢀ52 32 to ꢀ52
100 to 1ꢁ20
-50 to +1ꢀ±0
-50 to +1ꢀ±0
ꢀ00 to 1ꢁ20
400 to 1ꢀ±0
400 to 1ꢀ±0
0 to 2320
212 to 330ꢁ
12ꢂ2 to 330ꢁ
-5ꢁ to +3200 ꢀ52 to 3200
-5ꢁ to +3200 ꢀ52 to 3200
S
S
C (WRe 5-2±) 0 to 2320
C (WRe 5-2±) 32 to 420ꢁ
32 to 420ꢁ
N
U
L
-2ꢀ0 to +1300 0 to 1300
-200 to +±00 0 to ±00
-200 to +ꢂ00 0 to ꢂ00
N
U
L
-454 to +23ꢀ2 32 to 23ꢀ2
-32ꢁ to +1112 32 to 1112
-32ꢁ to +1±52 32 to 1±52
P (Platinal II) 0 to 13ꢂ5
0 to 13ꢂ5
P (Platinal II) 32 to 2543
32 to 2543
Note 1: Measuring accuracy at 50 μV emf.
Note 2: CJC error is not included.
Table 3-1. RTD Input, Celsius
ACCURACY
RTD
USABLE RANGE (°C)
-200 to +ꢁ50
at < 0°C
at ≥ 0°C
Pt 100 (JIS ’ꢂꢀ, IEC)
±0.4°C
±0.3°C
±ꢃ0.4°C + Measured Value × 0.1%]
(±1.3°C at ꢁ50°C)
Pt 200
-200 to +ꢁ50
-200 to +ꢁ50
-200 to +ꢁ50
-200 to +ꢁ50
-200 to +ꢁ50
-200 to +±±0
-200 to +510
±ꢃ0.3°C + Measured Value × 0.1ꢀ%]
(±1.ꢁ°C at ꢁ50°C)
Pt 300
±ꢃ0.4°C + Measured Value × 0.0ꢁ%]
(±0.3°C at -200°C)
±ꢃ0.4°C + Measured Value × 0.21%]
(±2.2°C at ꢁ50°C)
Pt 400
±ꢃ0.4°C + Measured Value × 0.11%]
(±0.2°C at -200°C)
±ꢃ0.4°C + Measured Value × 0.21%]
(±2.2°C at ꢁ50°C)
Pt 500
±ꢃ0.4°C + Measured Value × 0.13%]
(±0.2°C at -200°C)
±ꢃ0.4°C + Measured Value × 0.2±%]
(±2.±°C at ꢁ50°C)
Pt 1000
±ꢃ0.4°C + Measured Value × 0.15%]
(±0.1°C at -200°C)
±ꢃ0.4°C + Measured Value × 0.4%]
(±3.ꢁ°C at ꢁ50°C)
Pt 100 (JIS ’ꢁꢂ)
JPt 100 (JIS ’ꢁꢂ)
±0.4°C
±ꢃ0.4°C + Measured Value × 0.1%]
(±1.1°C at ±±0°C)
±0.4°C
±ꢃ0.4°C + Measured Value × 0.1%]
(±1.0°C at 510°C)
Pt 50 Ω (JIS ’ꢁ1)
Ni 100
-200 to +±4ꢂ
-ꢁ0 to +2±0
-ꢁ0 to +2±0
-50 to +2ꢁ0
-200 to +200
-50 to +250
±0.5°C at < 1±0°C, ±ꢃ0.4°C + Measured Value × 0.1%] at ≥ 1±0°C (±1.1°C at ±4ꢂ°C)
±0.3°C
Ni 120
±0.3°C
Ni 50ꢁ.4 Ω
Ni-Fe ±04
Cu 10 @ 25°C
±ꢃ0.25°C + Measured Value × 0.0±%] (±0.3°C at -50°C, ±0.5°C at 2ꢁ0°C)
±0.ꢂ°C at -200°C, ±0.±°C at -150°C, ±0.5°C at ±100°C, ±0.ꢀ°C at 200°C
±1.2°C
Note 1: The lower the temperature range, the better the accuracy is for Pt 300, Pt 400, Pt 500, Pt 1000 and Ni 50ꢁ.4 Ω.
‘Measured Value’ in the equations is not an absolute value. Include the minus sign when calculating accuracies.
73VR21 SPECIFICATIONS
ES-7395 Rev.29 Page 5/18
https://www.m-system.co.jp/
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