Specifications ACCURACY Accuracies apply for 1 year 19°C to 25°C. Temperature coefficient outside these limits is <0.1 x quoted range accuracy per °C. DC Volts Range Accuracy Resolution 100mV 0.06% ± 3 dig.* 10uV 1000mV 0.04% ± 2 dig. 100uV 10V 0.06% ± 2dig. 1mV 100V 0.06% ± 2 dig. 10mV 1000V 0.06% ± 2 dig. 100mV * after null Input Impedance: 10M //<100pF, except for Vdc plus Vac measurement when the 1M ac attenuator is in parallel with the 10M dc attenuator. Maximum Input: 1kV DC or AC peak, any range. NMR: >60dB at 50/60Hz. 1k >90dB at DC/50Hz/60Hz. Unbalanced CMR: Maximum Allowable AC Voltage While Measuring DC Voltage Range Max AC Range Max AC The table shows the maximum AC voltage 100mV, 1000mV 6V 10V 80V (45Hz-50kHz) that can be applied without 100V 200V 1000V 1000V affecting the accuracy of the DC measurement. AC Volts (True RMS) Range Accuracy 45Hz - 10kHz 100mV 10kHz - 20kHz 1% ± 20 dig. 1000mV 10V 0.2% ± 20 dig 0.2% ± 20 dig 100V 750V Resolution 20kHz - 50kHz - 10µV 1% ± 50 dig 100µV 1% ± 80 dig 1mV 1% ± 80 dig 10mV - 100mV Accuracy specifications apply for readings between 1,000 and 12,000 counts. Additional error at crest factor = 3 typically 0.2%. Extended frequency performance (typical): 100mV range <-1dB at 50kHz; 1000mV, 10V and 100V ranges <-1dB at 100kHz. Input Impedance: 1M //<100pF Maximum Input: 750V rms, 1000V peak; any range. 1k >60dB at DC/50Hz/60Hz Unbalanced CMR: 3 (AC + DC) Voltage Accuracy Total measurement error will not exceed the sum of the separate ac and dc accuracy specifications plus 1 display count. Resistance Range Accuracy Resolution 100 0.1% ± 3 dig. 10m 1000 0.08% ± 2 dig. 100m 10k 0.09% ± 2 dig. 1 100k 0.09% ± 2 dig. 10 1000k 0.12% ± 2 dig. 100 10M 0.5% ± 2 dig. 1k 20M 0.5% ± 2 dig. 10k Maximum Input: 300V DC or AC rms, any range. Maximum Open Circuit Voltage: 4V DC Current Range Accuracy Resolution 1mA 0.1% ± 3 dig. 100nA 100mA 0.1% ± 3 dig. 10uA 10A 0.3% ± 3 dig. to 1A 1mA 10A 1.0% ±3 dig. to 5A 1mA 10A 3% ± 10 dig to 10A 1mA Maximum Input: mA ranges - 500mA DC or AC rms, 250V, fuse protected. 10A range - 10A DC or AC rms, 250V, fuse protected. Typical Voltage Burden: mA ranges - <250mV 10A range - <500mV AC Current (True RMS) Range Accuracy (45Hz - 10kHz) Resolution 1mA 0.35% ± 20dig. 100nA 100mA 0.35% ± 20 dig. 10uA 10A 0.5% ± 20 dig. to 1A 1mA 10A 1.2% ± 20 dig to 5A 1mA 10A 3% ± 20 dig. to 10A 1mA Accuracy specifications apply for readings between 1,000 and 12,000 counts. Additional error at crest factory = 3 typically 0.2%. Maximum Input: mA ranges - 500mA DC or AC rms, 250V, fuse protected. 10A Typical Voltage Burden: mA ranges - <250mV 10A 4 range - 10A DC or AC rms, 250V, fuse protected. range - <500mV Frequency Range Accuracy 100Hz 1000Hz Resolution 0.01Hz 0.01% ± 1 dig. 0.1Hz 10kHz 1Hz 100kHz 10Hz Range: 10Hz to 100kHz Input sensitivity: Better than 30m Vrms (100mV range); better than 10% of range for all other Vac and Iac ranges. Capacitance Range Accuracy Resolution 10nF 10pF 100nF 100pF 1uF 2% ± 5 dig. 10uF 100uF 1nF 10nF 5% ± 5 dig. 100nF Continuity and Diode Test Continuity: 1000 Diode Test: Test current approximately 0.5mA; displays voltages up to 1.2V. Maximum Open Circuit Voltage: 4V Maximum Input: 300V DC or AC rms, any range. range selected; audible tone sounds for impedance <10 . DISPLAY Display Type: High contrast LCD. Main display 4½ digits 17mm high, secondary display 5 digits 10mm high. Scale Length: 4¼ digits (12000 counts) in most modes. Annunciators: LCD annunciators for all ranges, functions and program modes. Reading Rate: Varies with function, maximum 4/sec. Overrange: Display flashes 12000 if input too great for range. Overflow: Displays -Or- if calculated result overflows display. COMPUTING FUNCTIONS Null (Relative) !Null: Stores current reading and subtracts it from future readings. Additional non-volatile function for nulling test lead resistance. Hold: Reading is frozen T-Hold (Touch & Hold): Reading is frozen when stable. dB: Displays measurement in dBm relative to 600 !or other user-entered impedance. 5 AC plus DC: The RMS value of the ac plus dc parts of the signal is calculated and displayed. % Deviation: Displays % deviation from entered reference value. Ax+B: Linear scaling of results, with offset. Limits: Reading displayed with HI, LO, or PASS with respect to user-defined high and low limits. Min/Max: Minimum and maximum reading stored. Power: Calculates V2/R and displays in Watts with respect to a user-defined impedance. VA: Calculates and displays Volts x Amps. Data Logger: Manual or automatic storage of 100 measurements. Storage interval 1s to 9999s, manually from keyboard, or by remote contact closure. INTERFACES Full remote control facilities are available through the RS232 (all models) or GPIB (alternative mains-only version) interfaces. RS232: Baud rates 2400, 9600 or 19200. Complies fully with the ARC (Addressable RS232 Chain) interface standard. Address selectable from the front panel. Operational only when the meter is powered from the AC input. GPIB (IEEE-488): The meter can be specified with an IEEE-488 interface. This is an alternative version which operates only from AC mains; IEEE-488 is not a retrofittable option. Address selectable from the front panel. POWER REQUIREMENTS AC Input: 220V-240V or 110-120V AC ±10%, 50/60Hz, by internal adjustment; 5VA max. Installation Category II. Batteries: 6 x C cells, disposable or rechargeable. Battery Life: >150 hours from alkaline cells; typically 70 hours from rechargeable cells. GENERAL 6 Operating Range: +5°C to + 40°C, 20% to 80% RH Storage Range: "20°C to + 60°C Environmental: Indoor use at altitudes up to 2000m, Pollution Degree 1. Safety: Complies with EN61010-1. EMC: Complies with EN61326. Size: 260(W) x 88(H) x 235(D)mm, excl. handle and feet. Weight: 2.0kg.
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