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TD7500 Process Signal Calibrator

TD7500 is a handheld thermal instrument and process signal measurement calibration instrument, with an accuracy of class 0.05, which can calibrate class 0.1 and below industrial sensors, transmitters, recorders and other thermal process instruments. TD7500 can calibrate thermal engineering secondary instruments,secondary signals of sensors, transmitters, and thermocouples, secondary instruments for RTD, secondary signals of RTD, pulse measuring instruments, process pulse signals.
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TD7500 Process Signal Calibrator

TUNKIA TD7500 Process Signal Calibrator

1. Summary

TD7500 is a handheld thermal instrument and process signal measurement calibration instrument, with an accuracy of class 0.05, which can calibrate class 0.1 and below industrial sensors, transmitters, recorders and other thermal process instruments. TD7500 can calibrate thermal engineering secondary instruments,secondary signals of sensors, transmitters, and thermocouples, secondary instruments for RTD, secondary signals of RTD, pulse measuring instruments, process pulse signals.


2. Features

DC voltage output/measurement: 10 mV~11 V;

DC current output/measurement: 0.2 mA~24 mA

DC resistance simulation: 4 Ω~4.8 kΩ;

DC resistance measurement (2-wire/4-wire): 4 Ω~4.4 KΩ;

Simulation and measurement of 6 types of thermal resistance (RTD) and 8 types of thermocouples (TC).

Auxiliary power: 24 V Loop mode power.

Voltage/current accuracy: class 0.05


3. Application

TUNKIA TD7500 Process Signal Calibrator




4. Specifications

4.1 DC Power Output/Measurement

Electricity

Range

Resolution

Measurement Uncertainty (k=2).

( ppm*RD+μV/μA)[1]

Maximum Load

Voltage/Current

Input Resistance

Voltage

100 mV

10 μV

200 + 25 μV

8 mA

1 MΩ

1 V

100 μV

200 + 250 μV

8 mA

1 MΩ

10 V

1 mV

200 + 2000 μV

8 mA

1 MΩ

Current

20mA

1 μA

200 +4 μA

12 V

<15Ω

Note [1]: RD is the reading value, the same below.

Voltage output/measurement range: 10 mV~11 V

Current output/measurement range: 0.2 mA~24 mA


4.2 DC Resistance Output/Measurement

Type

Range

Resolution

Measurement Uncertainty (k=2).

( ppm*RD+Z)

Input Current/Excitation Current

Output

400 Ω

10 mΩ

50 + 0.1 Ω

1 mA~10 mA

4000 Ω

0.1 Ω

50 + 1 Ω

100 μA~1 mA

Measurement

4000 Ω

0.1 Ω

1 H

0.2 mA

Resistance Output Range: 4 Ω~4.8 kΩ

Resistance Measurement Range: 4 Ω~4.4 kΩ

Resistance Measurement Method: two-wire or four-wire


4.3 Pulse signal output/measurement

Regulation/Measurement Range

Resolution

Measurement Uncertainty (k=2).

1 Hz~1000 Hz

1Hz

0.05%

1 kHz~10 kHz

0.1kHz

0.05%

1.0 CPM~2000.0 CPM

1CPM

0.05%

Output Waveform Signal: square wave signal 5 Vpk

Input Waveform Signal: square wave signal> 1 Vpk


4.4 RTD output/measurement

Type

Resistance Range

( Oh)

Temperature Range

(°C)

Measurement Uncertainty

 (k=2, ±°C)

Annual Output Uncertainty

(k=2, ± °C )

Four-wire

Two/three-wire

PT100

18.5~391

-200~+850

0.35

0.5

0.35

PT200

37~782

-200~+250

0.2

0.3

0.2

+250~+850

1.0

1.5

1.0

PT500

92~1955

-200~+120

0.2

0.3

0.2

+120~+850

0.4

0.8

0.4

PT1000

185~3910

-200~+100

0.2

0.4

0.2

+100~+850

0.3

0.5

0.3

CU50

39.2~82.2

-50~+150

0.5

0.8

0.5

CU100

78~165

-50~+150

0.25

0.5

0.25

Cold Junction Temperature Compensation: Range: -25°C~+55°C; Resolution: 0.1°C; Measurement Uncertainty: 0.3°C

Display Digits: 5 digits decimal, can be displayed and output by Ω, °C, °F


4.5 Thermocouple Output/Measurement TC

Type

Name

Voltage Range ( mV )

Temperature Range(°C)

Measurement Uncertainty

(k=2, ± °C )

S

Platinum rhodium 10-platinum rhodium

-0.3~18.7

-50~0

2.0

0~+1750

2.4

R

Platinum rhodium 13-platinum

-0.3~21.1

-50~0

1.9

0~+1750

2.4

B

Platinum rhodium 30-platinum rhodium 6

0.77~13.9

400~+800

2.1

800~+1800

1.8

K

Nichrome - Ni-Si

-5.9~54.9

-200~0

0.9

0~+1370

1.2

N

Nichrome silicon - nickel silicon

-4.02~47.6

-200~0

1.4

0~+1750

1.0

And

Nickel-chromium-copper-nickel

-8.85~76.4

-200~0

0.8

0~+1000

0.9

J

Iron-copper-nickel

-7.93~69.6

-200~0

0.9

0~+1200

0.7

T

Copper-copper-nickel

-5.65~20.9

-200~0

1.1

0~+400

0.9

Display Digits: 5 digits decimal, can be displayed and output by Ω, °C, °F


5. General Specifications

Power Supply

4 x 1.5V AA batteries;

Maximum Power Consumption

10 VA

Temperature Performance

Working temperature: -20°C~50°C; 

Storage temperature: -20 °C ~ 70 °C

Humidity Performance

Operating humidity: < 80% @ 30°C, < 70% @ 40°C, < 40% @ 50°C

Storage humidity: (20%~80%) R·H, no Condensation

Altitude

< 3000 m

Quality

Approx 0.5 kg

Size

120 mm(W) × 60 mm(D) × 220 mm(H)



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