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DTEL-15G Multifunctional Process Calibrator

Product Features

The host has a built-in pH (acidity) meter verification function.

The high-precision grade of the electrical signal is 0.01, and the accuracy of factory control is ± 0.005% FS.

Good stability, the internal temperature system of the instrument is automatically corrected, and the lower limit temperature coefficient is ± 0.0003% FS / ℃.

Volume: 220 × 107 × 37mm, weight: 580g.

Five-year warranty of the host, free lifetime accuracy correction, and lifetime service guarantee.

Model Selection

DTEL-15G

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Description

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Introduction

DTEL-15G multifunctional process calibrator is a portable field calibrator powered by a large-capacity high-performance polymer rechargeable battery. It can be connected to an external pressure module. It is easy to operate, powerful, stable, and highly accurate. It is very cost-effective. High thermal comprehensive calibration instrument.

Function

1. This calibrator conforms to the following national regulations:

"JJG1664-2017 Calibration Specification for Temperature Display"

"JJG617-1996 Verification Regulation of Digital Temperature Indicating Regulator"

"JJG951-2000 Analog Temperature Indication Regulator Verification Regulations"

"JJG874-2007 Verification Regulation of Temperature Indication Controller"

"JJG74-2005 Industrial Process Measurement Recorder (Electronic Potentiometer, Automatic Balance Bridge) Verification Regulations"

"JJF1183-2007 Calibration Specification for Temperature Transmitter"

"JJG119-2018 Laboratory pH (Acidity) Meter Verification Regulations"

"JJF1547-2015 Online pH Meter Calibration Specification"

2. Simultaneous output and measurement of various standard signals such as V, mV, mA, Ω, Hz, and accurate simulation and measurement of various thermocouple (TC) and various thermal resistance (RTD) temperature signals;

3. The host has a built-in pH (acidity) meter verification function;

4. The RTD measurement has a custom PRT function. The input platinum resistance corresponding to R0, A, B, C and other parameters can be used as a high-precision thermometer;

5. It can verify various secondary instruments such as temperature instruments, transmitters, recorders, etc., and has the function of analog transmitters;

6. 4 ~ 20mA output and measurement can directly carry out 24V power distribution, and can provide 24VDC independent power supply mode;

7. When verifying that the transmitter measures its loop signal, it can visually display the current parameters and corresponding temperature or pressure parameters without conversion;

8. Large-screen backlit LCD screen, English / Chinese operation menu, complete functions, convenient for the detection and calibration of all on-site thermal signals;

9. The high-precision grade of the electrical signal is 0.01, and the accuracy of factory control is ± 0.005% FS;

10. Good stability, the internal temperature system of the instrument is automatically corrected, and the lower limit temperature coefficient is ± 0.0003% FS / ℃;

11. Highest seven digits display, high resolution of output and measurement (mV resolution: 1μV, Ω resolution: 1mΩ);

12. Compact size, easy to carry, use anti-shock and anti-fall silicone shell to avoid accidental damage;

13. Fully enclosed thin-film touch button, a long service life of 500,000-1 million times;

14. Support two-wire, three-wire, and four-wire output and measurement of Ω (thermal resistance) signals;

15. All signals can be automatically stepped and ramped, and any step (ramp) point and step (ramp) time can be set;

16. Real-time recording of on-site detection data can be achieved to realize a paperless recording function;

17. External high-precision cold junction compensation probe can perform manual or automatic cold junction temperature compensation and setting;

18. Adopt large-capacity high-performance polymer rechargeable batteries, with a continuous working time of more than 10 hours;

19. Standard gold-plated test leads, less contact potential and contact resistance, to ensure high-precision calibration;

20. Five-year warranty of the host, free lifetime accuracy correction, and lifetime service guarantee;

21. Volume: 220 × 107 × 37mm, weight: 580g.

Technical Parameters

Output specifications ( one year, ambient temperature : 20°C ± 5°C )
Output range	0.01 level Maximum allowable tolerance	0.02 level Maximum allowable tolerance	0.05 level Maximum allowable tolerance	Resolution
10.99999 V	± (0.008% of reading +0.0001 V)	± (0.015 % of reading +0.0001 V)	± (0.035% of reading +0.0001 V)	10 μV
1.099999 V	± (0.008% of reading +0.00001 V)	± (0.015 % of reading +0.00001 V)	± (0.035% of reading +0.0001 V)	1 μV
– 99.9999 mV ~ 109.9999 mV	± (0.008% of reading +0.003 mV)	± (0.015 % of reading +0.003 mV)	± (0.035% of reading +0.003 mV)	1 μV
30.0999 mA	± (0.01 % of reading + 1 μA)	± (0.015 % of reading + 1 μA)	± (0.035% of reading + 1 μA)	0. 1 μA
4000.00 Ω	± 0.008% reading +0.04 Ω)	± (0.015 % of reading +0.04 Ω)	± (0.035% of reading +0.04 Ω)	10 mΩ
400.000 Ω	± (0.008% of reading +0.005 Ω)	± (0.015 % of reading +0.005 Ω)	± (0.035% of reading +0.005 Ω)	1 mΩ
6 types Thermal resistance ℃	See " RTD Thermal resistance Technical specifications"	See " RTD Thermal resistance Technical specifications"	See " RTD Thermal resistance Technical specifications"	0.01 ℃
54999.9 Hz	± 2 Hz	± 2 Hz	± 2 Hz	0. 1 Hz
5499.99 Hz	± 0.2 Hz	± 0.2 Hz	± 0.2 Hz	0.01 Hz
549.999 Hz	± 0.02 Hz	± 0.02 Hz	± 0.02 Hz	0.001 Hz
24V DC circuit power	± 5 %	± 5 %	± 5 %
Sine wave peak-to-peak: (0.2 ~ 19.8) Vp-p Magnitude accuracy: 2 % of reading + 0. 1 % of range
Sine wave peak-to-peak: (0.2 ~ 19.8) Vp-p Magnitude accuracy: 2 % of reading + 0. 2 % of range
Sine wave peak-to-peak: (0.2 ~ 19.8) Vp-p Magnitude accuracy: 2 % of reading + 0. 3 % of range
Sine wave peak-to-peak: (0.2 ~ 19.8) Vp-p Magnitude accuracy: 2 % of reading + 0. 4 % of range
Sine wave peak-to-peak: (0.2 ~ 19.8) Vp-p Magnitude accuracy: 2 % of reading + 0. 5 % of range

Measurement specifications (one year, ambient temperature: 20°C ±5°C)
Measuring range	0.01 level Maximumallowable tolerance	0.02 level Maximum allowable tolerance		0.05 level Maximum allowable tolerance	Resolution
± 59.9999 V	± ( 0.008% of reading +0 .0005 V )	± ( 0.015 % of reading +0 .0005 V )		± ( 0.035% of reading +0 .0005 V )	0. 1 mV
± 5.99999 V	± ( 0.008% of reading +0 .00005 V )	± ( 0.015 % of reading +0 .00005 V )		± ( 0.035% of reading +0 .00005 V )	0.01 mV
± 599.999 mV	± ( 0.008% of reading +0.005 mV )	± ( 0.015 % of reading +0.005 mV )		± ( 0.035% of reading +0.005 mV )	1 μV
± 1 19.999 mV	± ( 0.008% of reading +0.003 mV )	± ( 0.015 % of reading +0.003 mV )		± ( 0.035% of reading +0.003 mV )	1 μV
10 types thermocouples ℃	See " TC Thermocouples Technical Specification"	See " TC Thermocouples Technical Specification"		See " TC Thermocouples Technical Specification"	0. 1 ℃
± 1 19.999 mA	± ( 0.01% of reading + 1 μA )	± ( 0.015 % of reading + 1 μA )		± ( 0.035% of reading + 1 μA )	1 μA
± 23.9999 mA	± ( 0.01% of reading + 1 μA )	± ( 0.015 % of reading + 1 μA )		± ( 0.035% of reading + 1 μA )	0. 1 μA
5999.99 Ω	± ( 0.008% of reading +0.05 Ω )	± ( 0.015 % of reading +0.05 Ω )		± ( 0.035% of reading +0.05 Ω )	10 mΩ
599.999 Ω	± ( 0.008% of reading +0.005 Ω )	± ( 0.015 % of reading +0.005 Ω )		± ( 0.035% of reading +0.005 Ω )	1 mΩ
6 types Thermal resistance ℃	See " RTD Thermal resistance Technical specifications"	See " RTD Thermal resistance Technical specifications"		See " RTD Thermal resistance Technical specifications"	0.01℃
59999.9 Hz	± 2 Hz	± 2 Hz		± 2 Hz	0. 1 Hz
9999.99 Hz	± 0.4 Hz	± 0.4 Hz		± 0.4 Hz	0.01 Hz
999.999 Hz	± 0.04 Hz	± 0.04 Hz		± 0.04 Hz	0.001 Hz
50 V range measurement input impedance : ≥ 1 MΩ			5 V and below range measurement input impedance ≥ 500 MΩ;
Current measurement input impedance ≤ 10Ω			Hz measurement input impedance ≥ 1 MΩ
RTD measurement current : 500Ω / 1mA ; 5000Ω / 0.5mA ; 1 Hz ～ 100 Hz : 0. 2 V ～250 V( rms) ; 100 Hz ～10 kHz ： 0. 25 V ～ 30 V ( rms ) ; 10 kHz ～ 59 kHz : 0.5 V ～ 30V( rms )
Warm-up time : 30 minutes ; Operating temperature : -10 ℃ ~ +50 ℃			Operating temperature : -10 ℃ ~ +50 ℃
Relative humidity : 0 ~ 90% RH			Storage temperature : -20 °C ~ +60 °C
Temperature Coefficient : ± ( 0.0002% of reading + 0.0002% of range ) / °C (<15 °C or >25 °C).

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