JY941 Multi functional DC Signal Calibrator

Product Overview: Fully isolated four channel, capable of simultaneously outputting and measuring voltage, current, resistance, frequency, pulse, etc TC、RTD， Provide independent 24V DC power supply and flexible configuration of output/measurement modules. Calibration equipment: various temperature process instruments, ordinary temperature transmitters, thermocouples and thermal resistance thermometers, temperature switches, data recorders, tachometers, vortex flowmeters, counters, etc. Main features: * Freely detachable drawer style module, supporting diversified combination forms; *Flexible configuration of output/measurement modules; *Automatic identification of output/measurement ports and automatic indication of output/measurement range; *Supports temperature characteristic (R0, a, b, c) correction and can be used as a high-precision platinum resistance digital thermometer; *24V DC power supply with a maximum load current of 200mA; * Powerful intelligent management software that automatically and efficiently collects and reports calibration data, making the calibration process easier.

Host Introduction

• The host is made of all aluminum alloy, with fully isolated four channel slots that can support up to four modules. The (output/measurement) modules can be selected by the customer;

• Insert a module into any slot, and the host will automatically recognize and display the module properties (output/measurement) on the screen;

• When ordering a host, at least one module must be selected, and up to eight modules (4 outputs+4 measurements) can be selected, supporting diverse module combinations;

• Host size: (460 × 330 × 190) mm;

• Host weight: 13.5 kg.

Module Introduction

• The drawer style (output/measurement) module made of all aluminum alloy can be inserted into any slot of the host to run all functions of the module;

• Modules can be purchased together with the host or separately in the future;

• The output module has outputs of V, mV, mA, Ω Hz、 Pulse, analog thermocouple, analog thermistor function;

• The measurement module is capable of measuring V, mA, Ω Hz、 Pulse, thermocouple, and thermistor functions;

• Module size: (160 × 250 × 25) mm;

• Module weight: 0.3 kg.

Feature Overview

• Support programmable ramp output, calibrate switch instruments, and automatically capture switch actions;

• Support programmable step level output, with 8 commonly used step levels pre-set, each with 15 sets of data;

• Support TC dedicated interface, Pt100 external sensor or constant temperature for cold end compensation;

• Multi functional and programmable unit conversion function, which can convert V, mA output or measurement into other engineering units;

• When outputting mA signals, it supports two modes: analog transmitter and mA source;

• Automatic identification of output/measurement ports and automatic indication of output/measurement range;

• When outputting and measuring thermocouple ℃ signals, display the corresponding mV value;

• When outputting and measuring the thermal resistance ℃ signal, display the corresponding Ω value;

• When outputting and measuring Ω signals, it supports two, three, and four wire modes;

• When outputting Hz signals, the amplitude can be set and supports square wave or sine wave modes;

• Can set pulse frequency output and calibrate flow integrator instruments;

• Provide 24V DC circuit power supply and measure the mA signal in the circuit;

• Support signal fine-tuning on any digit of the output value, used for calibration of pointer instruments;

• Can lock or unlock measurement values during measurement;

• When measuring numerical values, collect the minimum and maximum values and calculate the average value;

• Supports temperature characteristic (R0, a, b, c) correction and can be used as a high-precision platinum resistance digital thermometer;

• Support switch on/off testing;

• Support pulse counting;

• The accuracy of the product can be calibrated by oneself without the need for factory repair;

• Free downloads and upgrades

  -Communication protocols and controls;

  -Firmware software.

Accurate and stable

• Strong resistance to various interferences;

• Original 24K gold-plated low thermoelectric potential material, with more stable signal.

Strong load capacity

• 10V load capacity: 10mA;

• 100mV load capacity: 10mA;

• 20mA load capacity: 1k Ω;

• 24V DC circuit power load capacity: 200mA;

• 50000Hz load capacity: 10k Ω.

safe and reliable

• The output port can withstand 36V DC ingress;

• Both the output port and the 24V DC port are capable of short-circuit self recovery.

Key Metrics

Output (one year, ambient temperature 20 ℃± 5 ℃) ★ represents the basic range gear

Output range	Maximum allowable error of 0.01 level	Maximum allowable error of 0.02 level	resolution	Remarks
54.9999 V	± (0.006% reading+0.0005 V)	± (0.012% reading+0.0005 V)	0.1 mV	Internal resistance ≤ 0.25 Ω, load capacity: 10 mA
± 10.99999 V	± (0.006% reading+0.0001 V)	± (0.012% reading+0.0001 V)	0.01mV	Internal resistance ≤ 50 m Ω, load capacity: 10 mA
± 1.099999 V ★	± (0.006% reading+0.00001 V)	± (0.012% reading+0.00001 V)	1μV
± 109.9999 mV	± (0.006% reading+0.002 mV)	± (0.012% reading+0.002 mV)	1μV
10 types of thermocouples ℃	See "TC Thermocouple Technical Specifications" for details	See "TC Thermocouple Technical Specifications" for details	0.01℃
200.0000 mA	± (0.012% reading+0.002 mA)	± (0.02% reading+0.002 mA)	0.1μA	Internal resistance ≥ 20 M Ω, 20mA load capacity: 1 k Ω
20.00000 mA ★	± (0.006% reading+0.0002 mA)	± (0.012% reading+0.0002 mA)	0.01μA
2.000000 mA	± (0.006% reading+0.00008 mA)	± (0.012% reading+0.00008 mA)	0.01μA
5000.00 Ω	± (0.006% reading+0.05 Ω)	± (0.012% reading+0.05 Ω)	10mΩ	Excitation current: 0.1 mA
500,000 Ω ★	± (0.006% reading+0.005 Ω)	± (0.012% reading+0.005 Ω)	1mΩ	Excitation current: 1 mA
50.0000 Ω	± (0.006% reading+0.003 Ω)	± (0.012% reading+0.003 Ω)	1mΩ	Excitation current: 10 mA
8 types of thermal resistors ℃	Please refer to the "RTD Thermistor Technical Specifications" for details	Please refer to the "RTD Thermistor Technical Specifications" for details	0.01℃	Corresponding to its Ω excitation current
54999.9 Hz ★	± 2 Hz	± 2 Hz	0.1Hz	Sine wave: symmetrical to ground Vp: 0.03 V to 9.99 V (adjustable) Amplitude accuracy: 1.5% reading+0.05 V
5499.99 Hz	± 0.2 Hz	± 0.2 Hz	0.01Hz
549.999 Hz	± 0.02 Hz	± 0.02 Hz	0.001Hz
999999 pulses	± 1 piece	± 1 piece	1 piece	50% duty cycle
24V DC circuit power supply	± 0.2 V (when outputting 200 mA)	± 0.2 V (when outputting 200 mA)		Internal resistance ≤ 1 Ω

Measurement (one year, ambient temperature 20 ℃± 5 ℃) ★ represents the basic range range range

measurement range	Maximum allowable error of 0.01 level	Maximum allowable error of 0.02 level	resolution	Remarks
± 109.9999 V	± (0.006% reading+0.001 V)	± (0.012% reading+0.001 V)	0.1 mV	Internal resistance ≥ 1 M Ω
± 10.99999 V	± (0.006% reading+0.0001 V)	± (0.012% reading+0.0001 V)	0.01mV	Internal resistance ≥ 500 M Ω
± 1.099999 V ★	± (0.006% reading+0.00001V)	± (0.012% reading+0.00001 V)	1μV
± 109.9999 mV	± (0.006% reading+0.002 mV)	± (0.012% reading+0.002 mV)	1μV
10 types of thermocouples ℃	See "TC Thermocouple Technical Specifications" for details	See "TC Thermocouple Technical Specifications" for details	0.01℃
200.0000 mA	± (0.012% reading+0.002 mA)	± (0.02% reading+0.002 mA)	0.1μA	Internal resistance ≤ 5.5 Ω
20.00000 mA ★	± (0.006% reading+0.0002 mA)	± (0.012% reading+0.0002 mA)	0.01μA	Internal resistance ≤ 55 Ω
2.000000 mA	± (0.006% reading+0.00008 mA)	± (0.012% reading+0.00008 mA)	0.01μA
5499.99 Ω	± (0.006% reading+0.05 Ω)	± (0.012% reading+0.05 Ω)	10mΩ	Measurement current: 1 mA
549.999 Ω ★	± (0.006% reading+0.005 Ω)	± (0.012% reading+0.005 Ω)	1mΩ
54.9999 Ω	± (0.006% reading+0.003 Ω)	± (0.012% reading+0.003 Ω)	1mΩ	Measurement current: 2 mA
8 types of thermal resistors ℃	Please refer to the "RTD Thermistor Technical Specifications" for details	Please refer to the "RTD Thermistor Technical Specifications" for details	0.01℃	Measure current corresponding to Ω range
59999.9 Hz ★	± 2 Hz	± 2 Hz	0.1Hz	Input internal resistance: 1 M Ω
9999.99 Hz	± 0.4 Hz	± 0.4 Hz	0.01Hz	1 Hz～100 Hz： 0.1 V～250 V rms
999.999 Hz	± 0.04 Hz	± 0.04 Hz	0.001Hz	100 Hz～10 kHz：0.25 V～30 V rms
999999 pulses	± 1 piece	± 1 piece	1 piece	10 kHz～59 kHz：0.5 V～30 V rms

Note: ① Preheating time: 30 minutes;

② Temperature coefficient: ± (0.0002% reading+0.0002% range)/℃ (<15 ℃ or>25 ℃);

③ Resistance and thermistor output excitation current range: 5000 Ω/(0.065mA~1.05mA);500/(0.65mA～10.5mA) ； 50Ω/(6.5 mA～10.5mA)；

④ The pulse amplitude voltage is adjustable from 0.03V to 9.99V; The pulse frequency is adjustable from 1 to 50000 Hz.

RTD thermistor (one year, ambient temperature: 20 ℃± 5 ℃)

Thermal resistance index number	temperature range	Maximum allowable error (analog output and measurement)
		0.01 level	0.02 level
Pt10	（– 200～0）℃	± 0.11℃	± 0.12℃
	（0～400）℃	± 0.14℃	± 0.19℃
	（400～600）℃	± 0.17℃	± 0.23℃
	（600～850）℃	± 0.20℃	± 0.28℃
Pt100	（– 200～0）℃	± 0.04℃	± 0.06℃
	（0～400）℃	± 0.07℃	± 0.12℃
	（400～600）℃	± 0.09℃	± 0.15℃
	（600～850）℃	± 0.11℃	± 0.19℃
Pt1000	（– 200～0）℃	± 0.04℃	± 0.06℃
	（0～400）℃	± 0.07℃	± 0.12℃
	（400～600）℃	± 0.09℃	± 0.15℃
	（600～850）℃	± 0.11℃	± 0.19℃
Cu50	（– 50～150）℃	± 0.05℃	± 0.07℃
BA1	（– 200～0）℃	± 0.05℃	± 0.06℃
	（0～400）℃	± 0.09℃	± 0.13℃
	（400～650）℃	± 0.11℃	± 0.17℃
BA2	（– 200～0）℃	± 0.04℃	± 0.06℃
	（0～400）℃	± 0.07℃	± 0.11℃
	（400～650）℃	± 0.09℃	± 0.16℃
BA3	（– 50～100）℃	± 0.04℃	± 0.06℃
G	（– 50～150）℃	± 0.06℃	± 0.08℃

Note: ①comply withThe 90 international temperature scale is determined by the maximum allowable error of resistance output and measurement.

TC thermocouple (one year, ambient temperature: 20 ℃± 5 ℃)

Thermocouple division number	temperature range	Maximum allowable error (analog output and measurement)
		0.01 level	0.02 level
S	（– 20～100）℃	± 0.61℃	± 0.61℃
	（100～400）℃	± 0.42℃	± 0.42℃
	（400～1600）℃	± 0.34℃	± 0.43℃
	（1600～1768）℃	± 0.36℃	± 0.46℃
R	（– 20～100）℃	± 0.61℃	± 0.61℃
	（100～600）℃	± 0.41℃	± 0.42℃
	（600～1600）℃	± 0.30℃	± 0.38℃
	（1600～1768）℃	± 0.36℃	± 0.47℃
J	（– 210～– 100）℃	± 0.19℃	± 0.21℃
	（– 100～400）℃	± 0.08℃	± 0.11℃
	（400～900）℃	± 0.10℃	± 0.15℃
	（900～1200）℃	± 0.13℃	± 0.20℃
K	（– 250～–150）℃	± 0.70℃	± 0.78℃
	（–150～1000）℃	± 0.15℃	± 0.21℃
	（1000～1372）℃	± 0.19℃	± 0.28℃
T	（– 250～–200）℃	± 0.54℃	± 0.59℃
	（–200～0）℃	± 0.22℃	± 0.24℃
	（0～400）℃	± 0.08℃	± 0.09℃
N	（– 200～– 100）℃	± 0.33℃	± 0.36℃
	（–100～800）℃	± 0.12℃	± 0.17℃
	（800～1300）℃	± 0.17℃	± 0.25℃
E	（– 250～–100）℃	± 0.38℃	± 0.44℃
	（–100～700）℃	± 0.08℃	± 0.12℃
	（700～1000）℃	± 0.11℃	± 0.17℃
B	（600～800）℃	± 0.56℃	± 0.58℃
	（800～1100）℃	± 0.42℃	± 0.45℃
	（1100～1820）℃	± 0.35℃	± 0.41℃
WRe3-25	（0～1800）℃	± 0.32℃	± 0.44℃
	（1800～2200）℃	± 0.46℃	± 0.66℃
	（2200～2315）℃	± 0.60℃	± 0.87℃
WRe5-26	（0～1000）℃	± 0.23℃	± 0.29℃
	（1000～1800）℃	± 0.36℃	± 0.50℃
	（1800～2315）℃	± 0.59℃	± 0.83℃

Note: ①comply withThe 90 international temperature scale is determined by the maximum allowable error of mV output and measurement;

②Excluding sensor and compensation wire errors;

③Accuracy with external cold contacts, for internal contacts added0.2℃；

④The maximum allowable error of Pt100 temperature probe is ± 0.20 ℃.

Other indicators

project	Specifications
Resolution of Pt100 temperature probe	0.01℃
Maximum allowable error of Pt100 temperature probe	± 0.2℃
Operating Temperature	0℃~50℃
Storage temperature	（-20~60）°C
Relative humidity (maximum, no condensation)	At 90% and 35 ℃; At 75% and 40 ℃; 45% at 50 ℃.

Optional features

• Intelligent management software

  -It can perform functions such as real-time control, measurement monitoring, programmable output, and secondary instrument calibration;

  -Multiple secondary instruments can be calibrated or calibrated according to national metrological technical specifications, and data can be automatically analyzed to generate calibration certificates (standard reports). Standard instruments, raw data, calibration personnel, manufacturers, and inspection units can be managed;

  -It has tools and software such as thermal engineering encyclopedia, temperature conversion, pressure conversion, density query, etc.