User guide

HT2234N
EN - 12
7. TECHNICAL SPECIFICATIONS
7.1. TECHNICAL CHARACTERISTICS
Accuracy is indicated as [% of reading + number of dgts]. It is referred to the following
reference conditions: 23°C ± 5°C with RH <75%.
Speed without contact
Function Range Resolution Accuracy
RPM (Giri/min)
10.00 ÷ 99999
0.01 / 0.1 / 1
±(0.04% rdg +2 dgt)
RPS (Hz)
0.200 ÷ 2000.0
0.001 / 0.01 / 0.1
Speed with contact
Function Range Resolution Accuracy
RPM /
20.00
÷ 29999
0.01 /0.1 / 1
±(0.04% rdg +2 dgt)
m/min
2.000 ÷ 2999.9
0.001 / 0.01 / 0.1
ft/min
6.00 ÷ 10000
0.01 / 0.1 / 1
yd/min
4.00
÷ 3000
0.01 / 0.1 / 1
Events Counter
Range Maximum input frequency
0 ÷ 99999
10KHz. with 5% duty cycle
7.2. GENERAL CHARACTERISTICS
Display: 5 digits 99999 counts
Sampling Rate: 0.7 second (> 60 rpm)
> 1 second (10 to 60 rpm)
Measuring Distance: 50 to 300 mm
Time Base: 4.0 MHz Quartz Crystal
Range Selection: Automatic
Battery: 4 x 1.5V batteries (type AA, UM-3)
AutoPowerOFF: 30 minutes
Operating temperature: 0 ÷ 50°C (32 to 122°F)
Dimensions: (172 x 63 x 36) mm
Weight : 190g (included batteries)
7.3. ACCESSORIES
• HT2234N meter • Rubber leads for measures
• Mechanical adapter • Batteries
• Fixed screw for mechanical adapter • Carrying case
• Reflective tape • Instruction manual
• Rubber O-ring