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Altek 830 Multifunction Process Calibrator
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Altek 830 Multifunction Process Calibrator


Altek 830
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 Altek 830


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Features:
  • Compact Multifunction Calibrator — Source and Read Milliamps, Volts, Millivolts, Six RTD Types, Seven Thermocouple Types, Resistance and Frequency.
  • Built-In Transmitter Power Supply — Simulates transmitter input while simultaneously powering 2-wire transmitters and displaying milliamp or % 4—20 output on the dual display.
  • Accuracy of ±(0.025% of Full Scale + 1 LSD) Typical — Accurate to 0.02 mA, V, or Hz, 1¡C & 0.3 Ohms.
  • Laboratory Accuracy Pressure Measurement — QuikCal pressure modules display in 20 engineering units. Match your process within 0.025% of reading in psi, pa, Kpa, Mpa, BAR, mBAR, Atm, Kgf plus torr, inches and mm of Hg or H20 at a variety of temperatures. Each module is characterized for temperature to give you laboratory accuracy in the shop, control room or field.
  • Troubleshoot Loops — AC Voltmeter (true rms) and Continuity Beeper built-in.
  • Standard AA Alkaline Batteries — Over 20 hours of full 20 mA output. Auto-Off saves batteries. Optional AC adaptor for full time bench use.
  • User Settable QUIK-CHEKS — Store HI, SET & LO for instant recall.
  • Digital Accuracy with Analog Simplicity — Speed sensitive digital pot for fast output adjustment. Easy-to-read large character LCD with selectable backlighting.
  • Deluxe Accessories Set Included — Carrying case with neck strap for hands-free viewing plus detachable leads, alligator clips, test probes & spade lugs.


  Description

Lighten your load…take the TechChek 830 to every site. It’s like bringing a cartload of test equipment from the shop to the control room or the field. The TechChek 830 sources and reads DC like a milliamp or voltage calibrator, simulates and measures T/Cs & RTDs like a temperature calibrator, generates and counts frequency and Counts-Per-Minute like a frequency calibrator and displays pressure like a precision test gauge. Troubleshooting? It checks continuity with a beeper and measures AC line voltage like a multimeter!

Calibrate controllers, recorders and other devices in 4 to 20 or 0 to 20 mA loops. Source and read 0.00 to 24.00 mA, or Simulate a 2-Wire Transmitter. Use the optional AC adaptor for continuous operation. Display to 0.01 mA , 0.1 % of 4 to 20 and 0.1 % DP Flow.

Easily calibrate 2-Wire Pressure and Electronic Transmitters by connecting the TechChek 830 to both the input and output of the transmitter. The TechChek 830 will simultaneously indicate the input and output of the transmitter on the graphical display.

Read pressure with extreme accuracy using an external QuikCal pressure module in a companion ModPak module holder. Attach the module directly to the pressure connection for the best accuracy or with optional tubing for tight spots. Display to five digits within 0.025% of reading in up to 20 engineering units including psi, pa, Kpa, Mpa, BAR, mBar, Atm, Kgf plus torr, inches and mm of mercury or water at a variety of temperatures. Each module is fully characterized for temperature and linearity to give you laboratory accuracy in the shop, control room or field.

Calibrate all your DC millivolt and voltage instrumentation. Source from 0.00 to 110.00 mV and 0.00 to 10.25 V. Read up to 110.00 mV, 11.00 V and 200.0 VDC.

Source and Read directly in °C and °F for T/C types J, K, T, E, R, S & N and four Pt 100 Ohm, Ni 120 Ohm and Cu 10 Ohm RTDs. Resolution to 0.1°. Cold junction compensation continuously tracks ambient temperature changes.

Generate zero crossing square waves from 1 to 1000 Hz, 0.01 to 10.00 kHz and from 1 to 1000 CPM (Counts-Per-Minute). Built-in frequency counter measures Hz, kHz & CPM.


  Models, Options, & Accessories


Model Description List Price Sale Price
830 Process Calibrator $2289.00
$2037.21 


  Specifications

Milliamp Source  
Ranges: 0.00 to 24.000mA; -25.00 to 125.00% of 4 to 20mA; % DP Flow
Accuracy: ±(0.05% of 24 mA Span + 0.01 mA) = 0.02mA
Typical Drive Capability: 1200 Ohms @ 20.00 mA
Compliance Voltage: Nominal 25 V @ 20 mA
Power & Measure 2-wire Transmitters  
Ranges: 0.00 to 24.000mA; -25.00 to 125.00% of 4 to 20mA; % DP Flow
Accuracy: ±(0.05% of 24 mA Span + 0.01 mA) = 0.02mA
Output Current: Up to 24.00 mA
Typical Drive Capability: 1200 Ohms @ 20.00 mA
Compliance Voltage: Nominal 25 VDC @ 20mA
Common Mode Error: 0.01% Full Scale/Common Mode Volt
2-wire Transmitter Simulator  
Ranges: 1.00 to 24.00mA; -18.8 to 125.0% of 4 to 20mA; % DP Flow
Accuracy: ±(0.05% of 24 mA Span + 0.01 mA) = 0.02mA
Loop Voltage Limits: Minimum: 3 VDC
Maximum: 45 VDC
Overload Protection: Current limited to 25 mA nominal
Common Mode Error: 0.01% Full Scale/Common Mode Volt
Milliamps Read  
Ranges: 0.000 to 24.000mA; -25.0 to 125.00% of 4-20mA; % DP Flow
Accuracy: ±(0.05% of 24 mA Span + 0.01 mA) = 0.02mA
Overload Protection: Current limited to 25 mA nominal
Voltage Burden: 0.9V at 4 mA, 1.2V at 20 mA, 1.9V at 24 mA
DC Voltage Source  
Ranges: 0.000 to 110.000mV
0.00 to 10.25V
Accuracy: ±(0.05% of 110 mV+ 0.01mV) = ±0.07 mV
±(0.05% of 10.25 V + 0.01V) = ±0.02V
Source Current: >20mA
Sink Current: >20mA
Output Impedance: Greater than 0.3 Ohms
Short Circuit Duration: Infinite
Measure AC Volts  
Ranges: 0.0 to 250.0V True RMS
Accuracy: From 10 to 250 VAC ±(2% of 250V + 0.1 VAC) = ±5.1VAC
Maximum Crest Factor: Greater than 3
Frequency Range: 45 to 800 Hz
Measure DC Volts  
Ranges: 0.0 to 110.0mV; 0.00 to 10.25; 0.0 to 200.0V
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: Greater than 0.3 Ohms
Source Current: >10mA, Max
Read Thermocouples  
Thermocouple Types: J, K, T, E, N, R, & S
Resolution: 0.1°C or 0.1°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
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
Source RTD & Ohms  
RTD Types: Pt 100 Ohm for 1.3850 (DIN/IEC 751 & New JIS), 1.3902 (Burns), 1.3926 (US Lab) & 1.3916 (Old JIS 1604C-1981)
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: ±((0.035mV/°C)*(1/mAExcitation Current))
Allowable Excitation Current: 0.125 to 2.0 mA continuous DC
Read RTD  
RTD Types: Pt 100 Ohm for 1.3850 (DIN/IEC 751 & New JIS), 1.3902 (Burns), 1.3926 (US Lab) & 1.3916 (Old JIS 1604C-1981)
RTD Resolution: 1°C or 1°F
RTD Range (Ohms): 0.0 to 400.0 Ohms
RTD Accuracy: ±(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 greater than 5 microseconds; CPM greater than 100 microseconds
Output Impedance: Greater than 100 Ohms
Source Current: > 1 mA at 10 kHz
Short Circuit Duration: Infinite
Measure Frequency  
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
Trigger Level: 1 V RMS, DC coupled to 10.25V
7 V RMS, DC coupled to 250 V
Input Impedance: > 1 Meg Ohm + 60pF
General  
Typical 90 day Accuracy: ±(0.025% of Full Scale + 1 LSD)
1 Year Accuracy: ±(0.05% of Full Scale + 1 LSD)
Warm up Time: 10 Seconds to specified accuracy, 2 minutes to maximum accuracy
Temperature Effect: ±0.01%/°C based on 23°C ±25°C
Batteries: Six "AA" (R6) batteries (Alkaline supplied and recommended)
Battery Life: Milliamp Source and 2-wire Modes: Nominal 12 hours at 12 mA, 20 hours at 20 mA with 250 ohm load
Other Functions: Nominal 50 hours
Low Battery Indication: "BAT" indication on the display, approximately 4 hours left
Overload Protection: Three fuses, 125 mA
Noise: ±1 LSD at frequencies less than 10 Hz
Normal Mode Rejection Ratio: 50dB @ 50/60 Hz
Operating Temperature Range: -5 to +130 °F (-20 to +55°C)
Storage Temperature Range: -13 to +130 °F (-25 to +55°C)
Relative Humidity: 10 to 90%, non-condensing for 24 hours
Dimensions: 158.1mm (6.23 in) x 83.1mm (3.27 in) x 49.3mm (1.94 in)
Weight: 1lb 5oz (0.6kg)


   
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