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Fluke 789 ProcessMeter™

Fluke 789
Double Your Power

The Fluke 787 was the first tool to combine a DMM and a loop calibrator to give process technicians double the power in one tool. Now it’s even better, the range is extended with the Fluke 789 – the ultimate loop calibration multimeter. The Fluke 789 has a 24-Volt loop supply reducing the need for taking a separate power supply when doing offline transmitter testing. And with its built-in, selectable 250-Ohm Hart® resistor, it also eliminates the need to carry a separate resistor with you. Now process technicians can do a lot more while carrying a lot less.

Features of the Fluke 789
  • 24 V Loop power supply
  • Very large dual display
  • Enhanced backlight with 2 brightness settings
  • 1200 ohm drive capability on mA source
  • HART mode setting with loop power and a built-in 250 ohm resistor
  • 0% and 100 % buttons to toggle between 4 and 20 mA sourcing for a quick span check
  • Externally accessible fuses for easy replacement
  • Infrared-port to process data in FlukeView Forms (V2.1) software


Fluke 789 features that are also included in the Fluke 787
  • Precision 1000 V, 440 mA True-RMS digital Multimeter
  • 0.1% dc voltage accuracy
  • 0.05% dc current accuracy
  • Frequency measurement to 20 kHz
  • Min/Max/Average/Hold/Relative modes
  • Diode Test and Continuity Beeper
  • Simultaneous mA and % of scale readout
  • 20 mA DC current source / loop calibrator / simulator
  • Manual Step (100%, 25%, Coarse, Fine) plus Auto Step and Auto Ramp
  • Externally accessible battery for easy battery changes

Safety Conformance

Meets 1000 Volt EN61010-1 CAT III standards and 600 Volt EN61010-1 CAT IV standards.

Specifications
Current Measurement
Range:  0-1 A AC or DC
Resolution:  1 mA
Accuracy:  0.2% + 2 LSD (DC)
 
Range:  0-30 mA
Resolution:  0.001 mA
Accuracy:  0.05% + 2 LSD
Current Sourcing
Range:  0-20 mA or 4-20 mA
Resolution:  0.05% of span
Drive Capability:  24 V Compliance or 1200 Ω @ 20 mA
Frequency
 to 19.999 kHz, 0.005% + 1 LSD
Continuity
 Beeps for resistance < 100 Ω
Voltage measurement
Range:  0-1000 V AC (true-rms) or DC
Resolution:  0.1 mV to 1.0 V
Accuracy:  0.1% Rdg + 1 LSD (VDC)
Resistance measurement
 to 40 MΩ, 0.2% + 1 LSD
Diode test
 2.0 V shows diode voltage drop
Display current and % of span
 Yes
Auto step, auto ramp
 Yes

Environmental Specifications
Operating Temperature
 -20 ºC to 55 ºC
Storage Temperature
  -40 ºC to 60 ºC
Humidity (Without Condensation)
 95% up to 30 ºC
 75% up to 40 ºC
 45% up to 50 ºC
 35% up to 55 ºC
Temperature Coefficient
 0.05 x (specified accuracy) per ºC (for temperatures < 18 ºC or > 28 ºC)

Safety Specifications
Electrical Safety
 Designed in accordance with IEC 1010-1, ANSI/ISA S82.01-1994 and CAN/CSA C22.2 No. 1010.1-92
Overvoltage category
 IEC 1010-1 CAT III 1000 V
 IEC 1010-1 CAT IV 600 V
Maximum voltage
 1000 V rms

Mechanical & General Specifications
Size
 50 x 100 x 203 mm (1.25" H x 3.41"W x 7.35" L)
Weight
 610 g (1.6 lbs)
Batteries
 4 AA Alkaline batteries
Warranty
 3 years
Battery Life
 140 hours typical (measurement), 10 hours typical (sourcing 20 mA)
Shock & Vibration
 Random, 2 g, 5-500 Hz
 1 meter drop test
Model NameDescription
Fluke 789ProcessMeter
  • AC175 Alligator Clips
  • Four AA 1.5 V alkaline battery (installed)
  • TL71 Safety-Designed Test lead Set

Clips
AC220AC220 SureGrip™ Alligator Clip Set
AC280AC280 SureGrip™ Hook Clips
AC283AC283 SureGrip™ Pincer Clips
AC285AC285 SureGrip™ Alligator Clip Set
AC87AC87 Heavy Duty Bus Bar Clip Set
AC89AC89 Heavy Duty Insulation Piercing Test Clip
BP980BP980 Double Banana Plug Kit

Test Probes
TL910TL910 Electronic Test Probes
TP1TP1 Slim Reach Test Probe (flat blade)
TP2TP2 Slim Reach Test Probe (2 mm)
TP220TP220 SureGrip™ Industrial Test Probes
TP38TP38 Slim Reach Test Probe (insulated)
TP4TP4 Slim Reach Test Probe (4 mm)
TP74TP74 Lantern Tip Test Probes
TP80TP80 Electronic Test Probes
TP912TP912 Replacement Tips for TL910
TP920TP920 Test Probe Adapter Kit

Cases and Holsters
C100C100 Hard Meter and Accessory Case
C125C125 Soft Meter Case
C25C25 Soft Meter Case
C510C510 Leather Meter Case
C781C781 Meter Case
CXT80CXT80 Extreme Case
TPAKTPAK ToolPak, Meter Hanging Kit

Current clamps
i1010i1010 AC/DC Current Clamp
i200i200 AC Current Clamp
i410i410 AC/DC Current Clamp

Fiber Optics
FOM Fiber Optic Meter FOM Fiber Optic Meter
FOS-850FOS-850 Fiber Optic Light Source
FOS-850/1300FOS-850/1300 Fiber Optic Light Source

High Voltage Probes
80k-1580K-15 High Voltage Probe
80K-4080K-40 High Voltage Probe
80K-680K-6 High Voltage Probe

Software
FlukeView FormsFlukeView Forms Software with cable

Test Leads, Probes and Clips
TL80ATL80A Basic Electronic Test Lead Set

Pressure
PV350PV350 Pressure Vacuum Module

Temperature
80PK-2480PK-24 Air Probe
80PK-2680PK-26 General Purpose Probe
80T-150UA80T-150U Universal Temperature Probe (for DMMs)
80TK80TK Thermocouple Module (Type K)

Test Leads
H900H900 Test Lead Holder
TL27TL27 Heavy Duty Test Lead Set
TL220TL220 SureGrip™ Industrial Test Lead Kit
TL221TL221 SureGrip™ Extension Lead Set
TL222TL222 SureGrip™ Silicone Test Lead Set
TL223TL223 SureGrip™ Electrical Test Lead Kit
TL224TL224 SureGrip™ Silicone Test Lead Set
TL238TL238 SureGrip™ Test Lead Set for High Energy Environments
TL28ATL28A Automotive Test Lead Set
TL40TL40 Retractable Tip Test Lead Set
TL71TL71 Test Lead Set
TL75TL75 Hard Point Test Lead Set
TL76TL76 All-in-one Test Lead Set
TL81ATL81A Deluxe Electronic Test Lead Set
TL930TL930 Patch Cord Set (60 cm)
TL932TL932 Patch Cord Set (90 cm)
TL935TL935 Patch Cord Kit (60, 90, 120 cm)
TL940TL940 Mini-Hook Test Lead Set
TL950TL950 Mini-Pincer Test Lead Set
TL960TL960 Micro-Hook Test Lead Set
TL970TL970 Hook and Pincer Kit
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