Yokagawa 2422 Portable Calibrator Instruction Manual
- June 13, 2024
- Yokagawa
Table of Contents
VOLTAGE/CURRENT STANDARDS 2422
Portable Calibrator
2422
257 X 182 X 40 mm 1.2 kg
(10-1/8 X 7-1/4 x 1-5/8″ 2.7 Ibs}
The 2422 is capable of generating DC V, DC mA and emf, and displays both
generation and measurement values on its LCD display unit.
- SIMULTANEOUS DISPLAYS OF OUTPUT SUPPLY AND INPUT MEASUREMENT
- COMPACT AND LIGHTWEIGHT m AUTO-STEPPING OUTPUT & OUTPUT DIVIDING FUNC- TIONS
- DIRECT THERMOMETER CALIBRATION
- BUILT-IN Ni-Cd BATTERY/AC POWER OPERATION
AVAILABLE MODELS
| Model | Description |
|---|---|
| AC Adapter | Corresponding TC emf |
| 242211 | 120 V |
| 242212 | 220 to 240 V |
| 242221 | 220 to 240 V |
SPECIFICATIONS
SettingTime: Approx. 1s
Divided Output: Output = set value X n/m, m (no, of divisions) $15, n=0,1,2..m
Set-Value Memory: 20 steps (10 steps X 2, excluding polarity signal) Auto
Step: n/m and memory channel automatic feed, step time… 2,5, , 20s
Output Monitor: Load current monitor at 1, 10 and 30 V ranges (ac- aay? mA),
load voltage monitor in 20 mA range (accuracy +0.2 V
Output Limiter: Activated under load of more than maximum output (manual
return)
Output Setting: 4-digit UP/DOWN
Display: 4-1/2 digit LCD
RJC Sensor Measuring Range: —10 to +50°C, 14 to 122°F (accuracy in combination
with 2422 … +0.5°C at 23£5°C, +1°C at —10 to 50°C)
Dielectric Strength: 500 V DC for one minute between input and output terminal
Power Source: AC adapter/internal Ni-Cd batteries
Optional Accessories: RJC sensor (B9638CR), terminal block (B9638BM)
Accessories Supplied: AC adapter, output and measuring cables (1 pc. each),
carrying case
| Range| Generating and
Measuring ranges| Accuracy (23±5°C)*1| Resolution| Max. Output| Description
---|---|---|---|---|---|---
Generation Ranges| 30 V
10 V
1 V
100 mV| 0 (0 =36.00 V Oto±12.000 V
0 to ±1200.0 mV 0 to ±120.00 mV
| ± (0.05% of rdg + 0.06% of range) ± (0.05% of rdg + 0.02% of range) ± (0.05%
of rdg + 0.02% of range) ± (0.1% of rdg + 0.02% of range)| 10 mV 1 mV 100 AV
10 ILV| Approx. 5 mA
Approx. 20 mA
Approx. 20 mA| —
Internal resistance
approx. 5 Ω
TC| K| -200.0 to +1370.0°C, -328.0 to 2502°F| ± (0.1% of rdg + 0.5°C), (0.1%
of rdg +2°F)2| 0.1 °C, 1°F| —| Internal resistance
approx. 5 Ω
E| -200.0 to 700.0°C, -328.0 to 1292°F| ± (0.1% of rclg + 0.5°C), ±(0.1% of
rdg + 1.0°F)2| 0.1°C, 0.2°F
J| -200.0 to +1000.0°C, -328 to 1832°F
T| -200.0 to +400.0°C, -328 to 752°F
R| 0 to +1600°C, 32 to 3216°F| ± (0.1% of rdg + 1.5°C), ± (0.1% of rdg
+2.7°F)*2| 1c C, 1e f
-40 to 0°C, -40 to 32°F| ± (0.1% of rdg +3°C), ± (0.1% of rdg +5.4°F)
20 mA| 0 to ±24.00 mA| ± (0.1% of rdg +0.1% of range)| 10 liA| Approx. 12 V| —
Reference
resistance| 100 0| ± 0.2%| —| —| —
Measuring Ranges| 30 V
10 V
1 V| ± 36.00 V
± 11.999 V
± 1199.9 mV
| ± (0.1% of rdg + 2 digits)| 10 mV
1 mV
100µV| —| Input resistance
approx. 1 MΩ
*1 Voltage drop due to the load current through the attached lead is not included (lead resistance is about 0.08 9).
- 2 Accuracy of TC range does not include the error of RJC.