Electrical Meters&Accessories - Tianjin Labor Scientific instruments Co., Ltd.

DC Electrical Instruments, Measuring Instruments and Accessories, etc.

S/N	Item	Description	Price USD Battery power type	Price USD
1	Direct current Resistance bridge	QJ23 type single-arm bridge, also known as Wheatstone bridge, portable design, accuracy 0.2, measuring range 1Ω～9.999MΩ.	175	201
2		QJ23a, QJ24 type single - arm bridge , portable design, accuracy class 0.1,The measuring range is 1Ω～11.11MΩ.	227	276
3	Direct current Double arm bridge	QJ42 type, Kelvin bridge, portable design, accuracy: level 2, Four-terminal measurement, the measuring range is 10 -4 ～11Ω.	183	227
4		QJ44 type, Kelvin bridge, portable design, accuracy: 0.2 level, Four-terminal measurement, the measuring range is 10 -4 ～11Ω.	279	332
5	Direct current Single and double arm bridge	QJ19, QJ32 DC single and double arm bridge , measuring range: 10 -5 Ω～10 6 Ω ，Excluding galvanometer, standard resistance, measured resistance 0.05 level	559	637
6		QJ36, QJ65 DC single and double arm bridge, measuring range: 10 -6 Ω～10 7 Ω， Excluding galvanometer, standard resistance, measured resistance 0.02 level	672	751
7	Direct current Potentiometer	UJ33a type DC potentiometer	323	384
		1. Measuring range: ×5: 0～1.0550V; ×1: 0～211.0mV; ×0.1: 0～21.10mV
		2. Portable, with galvanometer and voltage reference inside;
		3. Measurement accuracy: level 0.05.
8	Direct current Potentiometer	UJ36a DC Potentiometer	227	279
		1. Measuring range: ×1: 0～230mV; ×0.2: 0～46.0mV
		2. Portable, with galvanometer and voltage reference inside;
		3. Measurement accuracy: 0.1 level.
9	Direct current Potentiometer	UJ31 DC potentiometer (low potential)	314	358
		1. Measuring range: ×1: 0～17.1mV, ×10: 0～171mV
		2. Excluding galvanometer and standard battery;
		3. Measurement accuracy: level 0.05.
10	Standard battery	BC9 a standard battery Electric potential: 1.01855～1.01868V, accuracy: 0.005 level	70	113
11	Standard potential And the measured potential	ZC1560 standard electric potential and measured low electric potential Standard electric potential: 1.01860V, measured electric potential: 0～190mV, stability: 0.01%/hour		157
12	Standard potential And the measured potential	ZC1561 standard electric potential and measured high electric potential Standard potential: 1.01860V, measured potential: 0～1.90V, stability: 0.01%/hour		157
13	DC galvanometer	AZ19 type, sensitivity: 500 µ V/div～0.5 µ V/div, measuring range ±30μV～±30mV.		192
14		AC5 type, sensitivity: 2 × 10 -5 A～2 × 10 -8 A/div, measuring range ±1μA～±1mA.		183
15		AC5-1 ~ AC5-7 type, single range, sensitivity: 2 × 10 -5 A/div to 2 × 10 -8 A/div, measuring range ±1μA to ±1mA.		131
16	Decimal capacitor box	RX7-0 type, capacitance range: (0 ~ 10) × (from 0.001 from 0.0001 + + 0.01 + 0.1) [mu] F., A DC voltage 100V, AC 36V, accuracy: 0.5. Other specifications can be customized.		241
17	Standard capacitor	BR8-1 ~ 5 type, the capacitor capacity is 0.001 µ F, 0.01 µ F, 0.1 µ F, 1 µ F, 10 µ F, Withstand voltage: DC 100V, AC 36V, accuracy: 0.5 level. Other specifications can be customized.		120
18	Decimal inductance box	GX9/1 type, inductance (0～10)×0.1mH, 10 bits in total, accuracy level 2;		166
		GX9/2 type, inductance (0～10)×1mH, 10 bits in total, accuracy level 1;
		GX9/3 type, inductance (0～10)×10mH, 10 bits in total, precision 0.5;
		GX9/4 type, inductance (0～10)×100mH, 10 bits in total, accuracy level 1.
19	Combination Inductance box	GX8/0 type, with inductance starting from 0.1mH, 4 gears in total, 10 positions for each gear, highest precision: 0.5 level;		506
		Model GX8/1, with inductance starting from 1mH, 4 gears in total, 10 positions for each gear, highest precision: 0.5 grade.
20	Standard inductance box	BG6-1 ～BG6-5, 0.1mH～1H, precision: 0.1 grade, 0.2 grade, can be customized.		133
21	Standard resistance	BZ3 type, accuracy: 0.01 grade; power: 0.1W, 4 terminal type, 9 pieces/set.		148/each
				1310/set
22	DC resistance box	ZX21 type, 0～99999.9Ω, accuracy: 0.1 grade.		96
		ZX21a type, 0～111111.0Ω, accuracy: 0.1 grade.		122
		ZX25a type, 0.01～11111.11Ω, accuracy: 0.02 level.		349
		ZX54 type, 0.01～111111.11Ω, precision: 0.01 level.		585
23	AC and DC Resistance box	ZX32 type, 0～11111.10Ω, 0.25W, precision: 0.05 level.		323
		ZX17-1 type, 0～111111.0Ω, 0.5W precision: 0.1 grade.		323
		ZX17-2 type, 0～1111.0Ω, 0.5W, accuracy: 0.2 level.		166
		ZX36A type, 0～11110Ω, 0.25W, accuracy: 0.1 grade.		131
		ZX38A/10 type, 0～11111.10 Ω, 0.25W, accuracy: 0.1 grade.		262
		ZX38A/11 type, 0～111111.0Ω, 0.25W, accuracy: 0.1 grade.		262
24	High stability DC stabilized power supply	ZC9101 series: Voltage 2V, 4V, 6V adjustable in stages, current 40mA, stability: 2×10 -5 /hour; 0～6V/50mA continuously adjustable, stability: 5×10 -5 /hour. customizable.		314
25	DC stabilized current power supply	ZC9102 DC stabilized current power supply		227
		1. 0～15V continuously adjustable voltage source, allowable current 0.5A;
		2. 0～200mA constant current source, the maximum output voltage is about 15V;
		3. Positive and negative symmetrical DC power supply: Output: ±2, ±4, ±6, ±8, ±10, ±12V, allowable current 0.1A;
		4. Parameters of different specifications and performance can be customized.
26	Stable power supply for physics experiment	ZC9110 series: voltage within 0～30V, current within 0～1A, single or multiple power supply, stability: 1×10 -4 ～1×10 -5 /hour, can be customized.		175-310
27	Physics experiment low-frequency signal source	ZC9120 type, 20～1000Hz sine wave, 4-digit frequency display.		223
28	DDS signal source	ZC9130 series, sine wave, square wave, triangle wave, sawtooth wave, frequency 0-6MHz, resolution 0.01Hz, expandable power output.		279
29	Digital display DC Micro current source	ZC9205 type, constant current 0～20 µ A～200mA five ranges continuously adjustable, open circuit voltage 5～15V adjustable. Stability: 1×10 -3 /hour, 3 and a half digital display.		367
30	Digital display DC current source	ZC9206 type, constant current 0～200 µ A～2A five ranges continuously adjustable, open circuit voltage 5～15V. Stability: 1×10 -3 /10min, 3 and a half digital display.		402
31	Digital DC Microcurrent meter	ZC9301 type, 3 and a half digital display, divided into four ranges 0～200pA～200nA.		559
		ZC9302 type, three half display, sub-fourth gear range 2nA ~ 2 ~ 0 [mu] A.		489
		ZC9303 type, three half display, sub-fourth gear range 20nA ~ ~ 20 is 0 [mu] A.		402
		ZC9305 type, three half display, sub-fourth gear range 200nA ~ ~ 200 is 0 [mu] A.		384
		ZC9306 type, 3 and a half digits display, divided into four ranges of 0～2 µ A～2mA.		367
32	AC and DC Ammeter	Model ZC9310, AC and DC current measurement, 4 and a half digital display, divided into four ranges from 0 to 1.999A.		314
33	AC and DC Voltmeter	Model ZC9320, AC and DC voltage measurement, 4 and a half digital display, divided into four ranges 0～19.999V.		314
34	Digital galvanometer	ZC9350 type, 3 and a half digits display, the sensitivity is continuously adjustable, the maximum 1nA, can be customized.		279
35	Dark box	By measuring the external electrical characteristics, 4-5 different unknown electrical components can be judged.		31
36	Knife switch	ZCDK-10 type, high quality single pole double throw switch, rated current 10A, 1mm thick beryllium bronze reed.		26
37		ZCSK-10 type, high quality double pole double throw switch, rated current 10A, 1mm thick beryllium bronze reed.		38
38	Plate bridge	BDQ-1 plate type single-arm bridge requires additional power supply, galvanometer, switch, etc.		166
		BSQ-1 plate type double-arm bridge requires additional power supply, galvanometer, switch, etc.		201
39	Photocell	For photoelectric effect, the spectral response range is 340-700nm.		101
40	Frank tube	Argon tube, quadrupole type, used in Frank-Hertz experiment.		101
41	Hall film	Gallium arsenide material, Hall sensitivity greater than 160mV/mA • T, including socket and substrate.		17
42	Resistance board under test	Low, medium and high resistance values are suitable for single-arm bridge experiments as the resistance to be measured.		17