TUNKIA TD1470 Digital Single and Double Arm Bridge Calibration Device DC Standard Analog Resistance

• Customization: Available
• After-sales Service: Life Time
• Warranty: 12 Months Excellent After-sales Service
• Model NO.: TD1470
• Application: Electromagnetic Instrument, Electrical Calibration
• Power: Electricity
• LCD Display: Without LCD Display
• Customized: Non-Customized
• DC Current Measurement: 1 mA ~ 11 A
• Resistance Simulation range: 100 μΩ ~ 11 MΩ
• Measurement Uncertainty: 100 ppm
• Test Modes: two-wire and four-wire
• Dispaly: Large-size LCD touch screen
• Transport Package: Package for Exporting
• Specification: 100 mm(W) *100 mm(D) *50 mm(H), 0.5Kg
• Trademark: TUNKIA
• Origin: China
• Production Capacity: 100
• Package Size: 60.00cm * 40.00cm * 40.00cm
• Package Gross Weight: 12.000kg

Product Description

 

TD1470 Single and Double Arm Bridge Calibration Device

1. Summary

TD1470 is an instrument that can accurately simulate a wide range of DC standard resistance. It can realize the verification and calibration of single-arm bridges, double-arm bridges, high-precision DC resistance meters and digital micro-ohmmeters.
 

2. Features

1. DC current measurement range: 1 mA ~ 11 A
2. Resistance simulation range: 100 μΩ ~ 11 MΩ
3. Best measurement uncertainty of resistance: 100 ppm
4. Two-wire and four-wire resistance modes
5. RS232 interface
6. Large-size LCD touch screen

3. Application

1. Calibrate single-arm bridge with class 0.05 and below
2. Calibrate DC resistance meters of class 0.05 and below
3. Calibrate temperature measurement bridges of class 0.05 and below

4. Characteristics

☆ Analog resistance output

1. The four-wire wiring method can effectively eliminate the measurement error caused by the resistance of the test wire, and the measurement accuracy is higher;
2. Compared with physical resistor boxes, analog resistors have the following advantages:

(1) The resistance value is continuously adjustable, with better adjustment fineness and better sensitivity;
(2) There is no influence from switching error, residual resistance error, contact resistance error, etc., and the measurement data is accurate and reliable;
(3) When the physical resistor is overloaded, it will cause the resistance to change value, and in severe cases, it may even cause the resistor to be damaged. TD1470 has current overload capability and impact resistance, and has been completely tested for electrostatic protection and electromagnetic compatibility. It has good protection performance and high reliability.

1. TD1470 has a self-calibration function to ensure long-term accuracy and stability of the value.

☆Statistical analysis of test data
S/N	Function
1	Integration period: The integration period can be set in the range of 0.5 s ~ 20 s (default 1 s);
2	Statistical analysis: Real-time recording and statistical test data, including current Max, Min, Avg, Span, Stab, S. dev, Time, test times N, etc.

6. Specifications
6.1 Low Value Resistor Simulation

Range	Fineness Adjustment	Measurement Uncertainty (k=2, ppm*RD+μΩ)^[^1]			Input Current^[^2]
		24h ( 23 ± 1 )°C	90days ( 23 ± 5 )°C	1year ( 23 ± 5 )°C
1 mΩ	10 nΩ	50 + 0.5	75 + 0.5	100 + 0.5	1 A~10 A
10 mΩ	100 nΩ	50 + 1	75 + 1	100 + 1	0.5 A~5 A
100 mΩ	1 μΩ	50 + 3	75 + 3	100 + 3	0.3 A~5 A
1 Ω	10 μΩ	50 + 15	75 + 15	100 + 15	0.05 A~5 A
10 Ω	100 μΩ	50 + 150	75 + 150	100 + 150	10 mA~300 mA
100 Ω	1 mΩ	50 + 1500	75 + 1500	100 + 1500	1 mA~30 mA
Note [1]: RD is the reading value, the same below;; [2] When the current and resistance exceed the range, the resistance value will bring additional error

1. Resistance Simulation Range: (10%~110%)*RG,6-digit display
2. Wiring Method: 4-wire
3. Current Input Range: 1 mA ~ 11 A
4. Range Switching: manual/automatic shifting

6.2 Medium and High Value Resistance Simulation

Range	Fineness Adjustment	Measurement Uncertainty ( k=2, ppm*RD+Ω )			Input Current
		24h (23±1)°C	90days (23±5)°C	1year (23±5)°C
100 Ω	1 mΩ	50 + 0.002	75 + 0.002	100 + 0.002	1 mA~80 mA
1 kΩ	10 mΩ	45 + 0.01	50 + 0.01	90 + 0.01	1 mA~12 mA
10 kΩ	100 mΩ	45 + 0.1	50 + 0.1	90 + 0.1	100 μA~2 mA
100 kΩ	1 Ω	45 + 1.0	50 + 1.0	90 + 1.0	10 μA~0.2 mA
1 MΩ	10 Ω	50 + 10	75 + 10	100 + 10	1 μA~20 μA
10 MΩ	100 Ω	100 + 100	150 + 100	200 + 100	250 nA~2 μA

1. Resistance Simulation Range: (10%~110%)*RG,6-digit display
2. Wiring Method: 4-wires /2-wires
3. Current Input Range: 250 nA ~ 80 mA
4. Range Switching: manual/automatic shifting

7. General Specifications

Power Supply	AC ( 220 ± 22 ) V,( 50 ± 2 ) Hz;
Warm-up Time	Not less than 1 hour, and the warm-up time again after shutting down in the middle should not be less than 2 times the shutdown time;
Maximum Power Consumption	150 VA
Temperature Performance	Working temperature: 18 °C ~ 28 °C; Storage temperature: -10 °C ~ 50 °C;
Humidity Performance	Working humidity: ( 20 % ~ 80% ) R·H, non-condensing; Storage humidity: < 85% R·H, no condensation;
Altitude	< 3000 m
Weight	Approx 10 kg
Communication Interface	RS 232,USB,IP
Dimension	400 mm ( W ) × 265 mm ( D ) × 190 mm ( H ) (without feet and handles)