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39
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/mAExcitation 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
38
SPECIFICATIONS
MEASURE DC VOLTS
RANGES:
0.00 to 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