B&K Precision 312A Datasheet
AC Current (using Clamp)
Ranges 400A, 1000A 400A, 2000A 32A, 320A, 1000A 200A, 1000A 40A, 400A 40A, 400A
Resolution 100mA, 1A 100mA, 1A 10mA, 100mA, 1A 100mA, 1A 10mA, 100mA 10mA, 100mA
Accuracy (50-60 Hz) ±(1.5% rdg + 5D) ±(1.5% rdg + 5D) ±(1.5% rdg + 5D) ±(1.5% rdg + 5D) ±(2% rdg + 10D) ±(2% rdg + 10D)
Overload Protection 1200A 1200A 1200A 1200A 660A 660A
DC Current (using Clamp)
Range 400A, 1000A 400A, 2000A Does not apply Does not apply 40A, 400A Does not apply
Resolution 100mA, 1A 100mA, 1A 10mA, 100mA
Accuracy ±(1.5% rdg + 5D) ±(1.5% rdg + 5D) ±(2.5% rdg + 10D)
Overload Protection 1200A 1200A 660A
AC Current 1000A 2000A 1000A 1000A 400A 400A
DC Current 1000A 2000A 400A
AC Voltage 750V 750V 750V 750V 600V 600V
DC Voltage 1000V 1000V 1000V 1000V 600V 600V
Resistance 40MΩ 40MΩ 30MΩ 2000MΩ 40MΩ 400Ω
Frequency √√√ √
Capacitance √√
True RMS √√
Continuity √√√√√√
Diode √√√√
Count Resolution 4000 4000 3200 2000 4000 4000
Bargraph √√√
Data Hold √√√√√√
Peak Hold √√√
Max Hold √
Range Hold √√√
Max/Min √√
Relative √√
Auto Off 30 min. 30 min. 10 min. 30 min. 30 min.
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350B 367A369B
True RMS
330B 313 312A
Specifications
models
369B 367A 350B 330B 313 312A
Features
models
B+K Precision offers a wide variety of current clamps for safe non-invasive
current measurement. Measure up to 2000A with these reliable, rugged
instruments. All of B+K Precision clamps are much more than a current
clamp offering the ability to measure, voltage resistance, capacitance and
even frequency. Additionally, special features allow for the recording of minimum and maximum values, peak values, test diodes and for continuity. Any
one of these products can be a total measurement solution.
■ Measures up to 2000A
■ Measures up to 1000V
■ Jaw openings 2.24" (Models 330B, 350B 369B)
■ Low battery indication
■ Accessories Supplied: Battery,Test Leads,
Instruction Manual, Carrying Case
369B 367A 350B 330B 313 312A
For your nearest distributor, call 800-462-9832 or www.bkprecision.com
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AC Voltage (using test leads)
Range 400mV, 4V, 40V, 400mV, 4V, 40V, 320mV, 3.2V, 32V, 750V 400mV, 4V, 40V, 400V, 600V
400V, 750V 400V, 750V 320V, 750V 400V, 600V
Resolution 100µV, 1mV, 10mV, 100µV, 1mV, 10mV, 100µV, 1mV, 10mV, 1V 100nV, 1mV, 10mV, 100mV, 1V
100mV, 1V 100mV, 1V 100mV, 1V 100mV, 1V
Basic Accuracy ±(1.5% rdg + 4D) ±(1.5% rdg + 4D) ±(1.5% rdg + 4D) ±(1.2% rdg + 5D) ±(1.2% rdg + 4D) ±(1.5% rdg + 5D)
Overload Protection 1000V DC/750 V RMS 1000V DC /750V RMS 1000V DC /750V RMS 1000V DC /750V RMS 660Vrms 660Vrms
Input Impedance 10 MΩ 10 MΩ 10 MΩ 4.5 MΩ 10 MΩ 10 MΩ
DC Voltage (using test leads)
Range 400mV, 4V, 40V, 400mV, 4V, 40V, 320mV, 3.2V, 32V, 1000V 400mV, 4V, 40V, 400V, 600V
400V, 1000V 400V, 1000V 320V, 1000V 400V, 600V
Resolution 100µV, 1mV, 10mV, 100µV, 1mV, 10mV, 100µV, 1mV, 10mV, 1V 100µV, 1mV, 10mV, 100mV, 1V
100mV, 1V 100mV, 1V 100mV, 1V 100mV, 1V
Basic Accuracy ±(0.5% rdg + 1D) ±(0.5% rdg +1D) ±(0.5% rdg + 1D) ±(0.5% rdg + 1D) ±(1% rdg + 3D) ±(1% rdg + 3)
Overload Protection 1000V DC/750V RMS 1000V DC/750V RMS 1000V DC/750V RMS 1000V DC/750V RMS 660Vrms 660Vrms
Input Impedance 10 MΩ 10 MΩ 10 MΩ 10MΩ 10MΩ 10MΩ
Resistance
Range 400Ω, 4kΩ, 40kΩ, 400Ω, 4kΩ, 40kΩ, 320Ω, 3.2kΩ, 32kΩ, 200Ω, 20kΩ, 400Ω, 4kΩ, 40kΩ 400Ω
400k, 4M 40MΩ 400k, 4M 40MΩ 320kΩ, 3.2MΩ, 30MΩ 20MΩ, 2000MΩ 400kΩ, 4mΩ, 40MΩ
Resolution 0.1Ω, 1Ω, 10Ω, 0.1Ω, 1Ω, 10Ω 0.1Ω, 1Ω, 10Ω, 0.1Ω, 10Ω, 0.1Ω, 1Ω, 10Ω, 0.1Ω
100Ω,1kΩ, 10kΩ 100Ω,1kΩ, 10kΩ 100Ω,1kΩ, 10kΩ 10kΩ, 100kΩ 100Ω,1kΩ, 10kΩ
Basic Accuracy ±(1% rdg + 2D) ±(1% rdg + 2D) ±(1% rdg + 3D) ±(1% rdg + 3D) 400Ω: ±(1% rdg + 5D) ±(1% rdg + 5)
4kΩ-4MΩ:±(1% rdg + 3D)
40MΩ: ±(3% rdg + 3D)
Overload Protection 500V DC/ AC RMS 500V DC/ AC RMS 500V DC/AC RMS 500V DC/AC RMS 660V RMS 660Vrms
Frequency
Range 100Hz, 1kHz, 10kHz 100Hz, 1kHz, 10kHz 320Hz, 3.2kHz, 32kHz Does not apply Does not apply 4k,40k,400kHz
100kHz, 400kHz 100kHz, 400kHz 4MHz, 40MHz
Resolution 0.01Hz, 0.1Hz, 1Hz 0.01Hz, 0.1Hz, 1Hz 0.1Hz, 1Hz, 10Hz 1Hz, 10Hz, 100Hz
10Hz, 100Hz 10Hz, 100Hz 1kHz, 10kHz
Accuracy ±(0.5% rdg + 3D) ±(0.5% rdg + 3D) ±(1% rdg + 2D) ±(0.8% rdg + 2D)
Overload Protection 500V DC/AC RMS 500V DC/AC RMS 500V DC/AC RMS 660 VRMS
Capacitance
Range 4nF, 40nF, 400nF, 4nF, 40nF, 400nF, Does not apply Does not apply Does not apply Does not apply
4µF, 40µF 4µF, 40µF
Resolution 1pF, 10pF, 100pF, 1nF, 1pF, 10pF, 100pF, 1nF,
10nF, 100nF 10nF, 100nF
Accuracy ±(1.5% rdg + 4D) ±(1.5% rdg + 4D)
Overload Protection 500V DC/AC RMS 500V DC/AC RMS
Jaw Opening 2.24" (57mm) 2.24" (57mm) 2.24" (57mm) 2.24" (57mm) 1.06" (27mm) 1.06" (27mm)
Display 3 3/4 digit LCD, 3 3/4 digit LCD, 3 1/2 digit LCD 3 3/4 digit LCD 3 3/4 digit LCD 3 3/4 digit LCD
4000 count 4000 count 3200 count 2000 count 4000 count 4000 count
9999 in Frequency 9999 in Frequency
42 segment bar graph 42 segment bar graph 34 segment bar graph
Polarity Automatic, “-” indicated Automatic, “-” indicated
Measure Rate 2/sec. 2/sec. 2/sec. 2.5/sec. 2/sec. 2/sec.
Overrange Indication “OL” “OL” “OL” “OL” “OL” “OL”
Operating Temperature 32° - 122°F, 70% RH 32° - 122°F, 70% RH 32° - 122°F, 70% R.H. 32° - 122°F, 70% RH 32° - 122°F, 80% RH 32°-122°F, 80% RH
(0° - 50°C) (0° - 50°C) (0° - 50°C) (0° - 50°C) (0° - 50°C) (0° - 50°C)
Storage Temperature -4° - +140°F, 80% RH -4° - +140°F, 80% RH -4° - +140°F, 80% RH -4° - +140°F, 80% RH 14° - 140°F, 70% RH 14°-140°F, 70% RH
(-20° - +60°C) (-20° - +60°C) (-20° - +60°C) (-20° - +60°C) (-10° - +60°C) (-10° - +60°C)
Power Requirements One 9V battery, alkaline recommended type NEDA 1604A 2 AAA Batteries 2 AAA Batteries
Battery Life 500 Hours 500 Hours 500 Hours 500 Hours
Dimensions 10.8 x 3.6 x 1.7" 10.8 x 3.6 x 1.7" 10.8 x 3.6 x 1.7" 10.8 x 3.6 x 1.7" 7.4 x 2.5 x 1.2" 7.4 x 2.5 x 1.2"
(275 x 90 x 43mm) (275 x 90 x 43mm) (275 x 90 x 43mm) (275 x 90 x 43mm) (188 x 63 x 31mm) (188 x 63 x 31mm)
Weight 18.3oz (519g) 18.3oz (519g) 17oz. (482g) 17oz. (482g) 6.5oz. (185g) 6.5oz. (185g)
Specifications
models
369B 367A 350B 330B 313 312A
SUPPLIED: Battery, Test leads, Instruction Manual, Carrying Case
OPTIONAL: TL-1 Replacement Test Leads , TL-2A Deluxe Test Leads, TL-3 Accessory TIp Kit (for TL-2A), TL-130A General Purpose
DMM Kit, PR-28A High Voltage Probe, CP-3 AC/DC Current Clamp Adapter, LC-33 Carr ying Case
One Year Warranty
Accessories
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