Altek 830-KP Measure DC Volts Ranges, Cold Junction Accuracy ±1C, Read Thermocouples, Read Ohms

SPECIFICATIONS

MEASURE DC VOLTS

RANGES:

0.00to 110.00 mV; 0.00 to 10.25 V; 0.0 to 200.0 V

ACCURACY:

±(0.05% of 110 mV+ 0.01mV) = ±0.07 mV ±(0.05% of 10.25 V + 0.01V) = ±0.02V ±(2% of 200.0 V + 0.1V) = ±4.1 V

INPUT RESISTANCE: >1 Meg Ohm to 10.25V, >5 Meg Ohm to 200V

SOURCE RESISTANCE EFFECT: 0.01% per 100 Ohms

SOURCE THERMOCOUPLES

THERMOCOUPLE TYPES: J, K, T, E, N, R & S

RESOLUTION: 1°C or 1°F

ACCURACY: °C ±(0.05% OF 80 MV + 1°C); °F ±(0.05% OF 80 MV + 1°F)

COLD JUNCTION ACCURACY: ±1°C

COLD JUNCTION EFFECT: within 0.05°C per °C change

OUTPUT IMPEDANCE: <0.3 Ohms

SOURCE CURRENT: >10 mA, Max

READ THERMOCOUPLES

THERMOCOUPLE TYPES & ACCURACY: Same as for SOURCE T/C

RESOLUTION: 0.1°C or 0.1°F

COLD JUNCTION ACCURACY: ±1°C

COLD JUNCTION EFFECT: within 0.05°C per °C change

INPUT IMPEDANCE: > 1 Meg Ohm

OPEN THERMOCOUPLE DETECTION: 450 millisecond pulse. Nominal threshold, 10 K Ohms.

READ OHMS

RANGE OHMS: 0.0 to 1000.0 Ohms

ACCURACY: ±(0.05% of 1000.0 Ohms + 0.1 Ohm) = ±0.6 Ohms

EXCITATION CURRENT SUPPLIED: 1 mA, nominal

CONTINUITY CHECKING

TEST CURRENT: Nominal 1 mA

THRESHOLD: 100 Ohm ±20%

INDICATION: Steady tone & Symbol on LCD plus Ohm Reading

SPECIFICATIONS

SOURCE RTD & OHMS

RTD TYPES:

Pt 100Ω for 1.3850 (DIN/IEC 751 & New JIS), 1.3902 (Burns), 1.3926 (US Lab) & 1.3916 (Old JIS 1604C-1981)

Ni 120Ω , Cu 10Ω & Cu 50Ω RTD RESOLUTION: 1°C or 1°F RANGE OHMS: 0.0 to 400.0 Ohms

ACCURACY: ±0.05% of Full Scale + 0.075 mV/mA Excitation Current

ACCURACY OHMS: ±(0.05% of 400.0 Ohms + 0.1 Ohm = ±0.3 Ohms (At 1 mA Excitation Current)

TEMPERATURE EFFECT: ±((0.035 mV/°C)*(1/mAExcitation Current))

ALLOWABLE EXCITATION CURRENT: 0.125 to 2.0 mA continuous DC

READ RTD

RTD TYPES & RESOLUTION: Same as for SOURCE RTD

RTD RANGE (IN OHMS): 0.0 to 400.0 Ohms

RTD ACCURACY (OHMS): ±(0.05% of 400.0 Ohms + 0.1 Ohm = ±0.3 Ohms

EXCITATION CURRENT SUPPLIED: 1 mA, nominal

FREQUENCY SOURCE

RANGES: 1 to 1500 CPM (Count-Per-Minute); 1 to 1500 Hz, 0.01 to 15.00 kHz

ACCURACY:

±(0.05% of 1500 CPM + 1 CPM) = ±2 CPM ±(0.05% of 1500 Hz + 1 Hz) = ±2 Hz ±(0.05% of 15.00 kHz + 0.01 kHz) = ±0.02 kHz

OUTPUT WAVEFORM: Square Wave, Zero Crossing, -1V to +5V ±10%

RISETIME: Hz <5 microseconds; CPM <100 microseconds

OUTPUT IMPEDANCE: <100 Ohms

SOURCE CURRENT: >1 mA at 10 kHz

SHORT CIRCUIT DURATION: Infinite

MEASURE FREQUENCY

RANGES & ACCURACY: Same as for FREQUENCY SOURCE

TRIGGER LEVEL: 1 V RMS, DC coupled to 10.25 V; 7 V RMS, DC coupled to 250 V

INPUT IMPEDANCE: > 1Meg Ohm + 60 pF

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