JY942 Flow Accumulator Calibration System

Product Overview: It has fully isolated four channels and provides independent 24V DC power supply, which complies with the calibration regulations of JJG 1003-2016 Flow Accumulator, GB/T 17747-2011 Calculation of Natural Gas Compression Factor, GB/T 34060-2017 Steam Heat Calculation Method, etc. It performs instantaneous flow, cumulative flow, cumulative heat, compensation parameters, current output detection, etc. on the flow accumulator. Calibration equipment: flow integrator, flow computer, flow recorder, heat integrator (integrator), 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; *Support stopwatch function to solve time traceability during the verification process; *24V DC power supply maximum negative .....

Feature Overview

• The multi-channel calibrator comes standard with three output modules and one measurement module;

• The output module has outputs of V, mV, mA, Ω Hz、 Signals from pulses, simulated thermocouples, and simulated thermal resistors;

• The measurement module is capable of measuring V, mA, Ω Hz、 Signals from pulses, thermocouples, and thermal resistors;

• Can trigger three output signals simultaneously;

• Equipped with a stopwatch timing function, all three output signals can automatically start or stop timing according to requirements, with a timing range of 0.001~9999.999 seconds, solving the problem of time traceability during the calibration process and complying with the requirements of the "JJG 1003-2016 Flow Accumulator" calibration regulations;

• The verification software of the flow accumulator can automatically check the density value of the medium, calculate the standard values of instantaneous flow rate and cumulative flow rate; Automatically fill data in the list, generate calibration reports, and store historical calibration data;

• 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;

• 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;

• Can be used as a high-precision platinum resistance digital thermometer and correct R0, a, b, c;

• Support switch on/off testing;

• Support pulse counting;

• The accuracy can be calibrated by oneself without the need for factory repair.

Accurate and stable

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

• Timed output, better than 0.01 seconds.

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	resolution
54.9999 V	± (0.006% reading+0.0005 V)	0.1 mV
± 10.99999 V	± (0.006% reading+0.0001 V)	0.01 mV
± 1.099999 V ★	± (0.006% reading+0.00001 V)	1 μV
± 109.9999 mV	± (0.006% reading+0.002 mV)	1 μV
10 types of thermocouples ℃	See "TC Thermocouple Technical Specifications" for details	0.01 ℃
200.0000 mA	± (0.012% reading+0.002 mA)	0.1 μA
20.00000 mA ★	± (0.006% reading+0.0002 mA)	0.01 μA
2.000000 mA	± (0.006% reading+0.00008 mA)	0.01 μA
5000.00 Ω	± (0.006% reading+0.05 Ω)	10 mΩ
500,000 Ω ★	± (0.006% reading+0.005 Ω)	1 mΩ
50.0000 Ω	± (0.006% reading+0.003 Ω)	1 mΩ
8 types of thermal resistors ℃	Please refer to the "RTD Thermistor Technical Specifications" for details	0.01 ℃
54999.9 Hz ★	± 2 Hz	0.1 Hz
5499.99 Hz	± 0.2 Hz	0.01 Hz
549.999 Hz	± 0.02 Hz	0.001 Hz
999999 pulses	± 1 piece	1 piece
24V DC circuit power supply	± 0.2 V (when outputting 200 mA)

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

Measurement range	Maximum allowable error of 0.01 level	resolution
± 109.9999 V	± (0.006% reading+0.001 V)	0.1 mV
± 10.99999	± (0.006% reading+0.0001 V)	0.01 mV
± 1.099999 V ★	± (0.006% reading+0.00001V)	1 μV
± 109.9999 mV	± (0.006% reading+0.002 mV)	1 μV
10 types of thermocouples ℃	See "TC Thermocouple Technical Specifications" for details	0.01 ℃
200.0000 mA	± (0.012% reading+0.002 mA)	0.1 μA
20.00000 mA ★	± (0.006% reading+0.0002 mA)	0.01 μA
2.000000 mA	± (0.006% reading+0.00008 mA)	0.01 μA
5499.99 Ω	± (0.006% reading+0.05 Ω)	10 mΩ
549.999 Ω ★	± (0.006% reading+0.005 Ω)	1 mΩ
54.9999 Ω	± (0.006% reading+0.003 Ω)	1 mΩ
8 types of thermal resistors ℃	Please refer to the "RTD Thermistor Technical Specifications" for details	0.01 ℃
59999.9 Hz ★	± 2 Hz	0.1 Hz
9999.99 Hz	± 0.4 Hz	0.01 Hz
999.999 Hz	± 0.04 Hz	0.001 Hz
999999 pulses	± 1 piece	1 piece

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
Pt10	（– 200～0）℃	± 0.11℃
	（0～400）℃	± 0.14℃
	（400～600）℃	± 0.17℃
	（600～850）℃	± 0.20℃
Pt100	（– 200～0）℃	± 0.04℃
	（0～400）℃	± 0.07℃
	（400～600）℃	± 0.09℃
	（600～850）℃	± 0.11℃
Pt1000	（– 200～0）℃	± 0.04℃
	（0～400）℃	± 0.07℃
	（400～600）℃	± 0.09℃
	（600～850）℃	± 0.11℃
Cu50	（– 50～150）℃	± 0.05℃
BA1	（– 200～0）℃	± 0.05℃
	（0～400）℃	± 0.09℃
	（400～650）℃	± 0.11℃
BA2	（– 200～0）℃	± 0.04℃
	（0～400）℃	± 0.07℃
	（400～650）℃	± 0.09℃
BA3	（– 50～100）℃	± 0.04℃
G	（– 50～150）℃	± 0.06℃

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
S	（– 20～100）℃	± 0.61℃
	（100～400）℃	± 0.42℃
	（400～1600）℃	± 0.34℃
	（1600～1768）℃	± 0.36℃
R	（– 20～100）℃	± 0.61℃
	（100～600）℃	± 0.41℃
	（600～1600）℃	± 0.30℃
	（1600～1768）℃	± 0.36℃
J	（– 210～– 100）℃	± 0.19℃
	（– 100～400）℃	± 0.08℃
	（400～900）℃	± 0.10℃
	（900～1200）℃	± 0.13℃
K	（– 250～–150）℃	± 0.70℃
	（–150～1000）℃	± 0.15℃
	（1000～1372）℃	± 0.19℃
T	（– 250～–200）℃	± 0.54℃
	（–200～0）℃	± 0.22℃
	（0～400）℃	± 0.08℃
N	（– 200～– 100）℃	± 0.33℃
	（–100～800）℃	± 0.12℃
	（800～1300）℃	± 0.17℃
E	（– 250～–100）℃	± 0.38℃
	（–100～700）℃	± 0.08℃
	（700～1000）℃	± 0.11℃
B	（600～800）℃	± 0.56℃
	（800～1100）℃	± 0.42℃
	（1100～1820）℃	± 0.35℃
WRe3-25	（0～1800）℃	± 0.32℃
	（1800～2200）℃	± 0.46℃
	（2200～2315）℃	± 0.60℃
WRe5-26	（0～1000）℃	± 0.23℃
	（1000～1800）℃	± 0.36℃
	（1800～2315）℃	± 0.59℃

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 ℃.