ac automatic insulation/ withstanding hitester safety standards measuring instruments 3174 the effects of test lead wire breaks, erroneous test results caused by faulty contact, and fluctuations in test voltage caused by variations in the instruments supply voltage on withstanding voltage and insulation resistance testing are well known. the 3174 (3174-01) ac automatic insulation/withstanding hitester is a low-cost solution featuring contact check functionality as well as a stabilized power supply to prevent the reduced test reliability that can result from these issues. to streamline production line test processes, the hitester also features configuration of test parameters via rs-232c (gp-ib) and reading of parameters from the ext i/o interface. featuring contact check functionality
2 danger lamp flashes a warning during testing and whenever high voltage is present at the terminals. the danger lamp turns off when the voltage at the output terminals is no greater than ac 30 v or dc 60 v. external switch enables start/stop control by means of the 9613 single-hand remote control or 9614 two-hand remote control. (the 9613 and 9614 are optional.) fluorescent display tube the display uses a bright, easy-to-read fluorescent tube. 9613 single-hand remote control (option) 9614 two-hand remote control (option) test piece withstanding voltage tester voltage output contact check voltage monitor test current voltmeter 2 contact check function improves test reliability the 3174s contact check function lets you detect test lead wire breaks and faulty contact during testing by sensing measurement issues in real time. continued analytical testing after fail judgments if a test lead were to come lose during testing with a measurement device that does not offer contact check functionality, defective test pieces would be judged to be non-defective. improved test reliability test mode selection select from three test modes: 1. manual test mode : w (withstand voltage testing) / i (insulation resistance testing) 2.automatic test mode: w i / iw the 3174 improves test reliability by monitoring voltage to detect lose leads during testing and faulty wiring during measurement. new new judgment output at forced stop *disconnected lead faulty contact true effective value display delay timer function ramp timer function the ramp-up initial value, ramp-up and ramp-down time parameters can be set independently. eliminate the effects of supply voltage fluctuations new *since contact check is performed while testing is in progress, use of contact check functionality does not increase cycle time. the ability to obtain a judgment even after a forced stop increases testing freedom. test pieces can now be analyzed by means of detailed monitoring of the test current accompanying fail judgments. withstanding voltage tester voltage output voltage monitor voltmeter contact check test current test piece *break in lead faulty contact if a test lead wire were to break during testing with a tester that does not offer contact check functionality, defective test pieces would be judged to be non-defective.
3 safe, automated operation buzzer volume knobs the 3174 provides separate volume adjustments for the pass and fail judgment buzzers. status out relay terminals maximum input voltage: ac 150 v, dc 30 v maximum contact current: 0.5 a rs-232c enables remote control. external i/o connector (signal lines have photocoupler isolation.) pin i/o signa function 1 out ready low in ready state 2 out l-fail low in fail state (lower bound) 3 out u-fail low in fail state (upper bound) 4 out pass low in pass state 5 out test low in test sate 6 out h.v.on low when voltage is present at output terminals 7 in ext-e when low, external i/o input signals are enabled 8 in start when low, same function as start key 9 in stop when low, same function as stop key 10 in int.lock interlock on open 11 out w-mode low during withstanding voltage testing 12 out i-mode low during insulation resistance testing 13 out w-fail low in fail state during withstand voltage testing 14 out i-fail low in fail state during insulation resistance testing 15-18 in iso.com ground inputs for external devices 22-25 in mem-0 to 3 saved test selected pins 27 in mem-e when low, enables memory selected pins 28-29 out mode-0,1 current test mode 33-36 out iso.dcv internal dc 15 v power supply (100 ma) (includes warning lamp unit only. refer to the included plans and drill installation holes in a base such as a metal plate as necessary.) power cord inlet 9616 warning lamp (option) (ac100v,0.1a) interface specifications ext i/o : output signals open collector output (with photocoupler isolation) all active low with a maximum load voltage of dc 30 v maximum output current: dc 100 ma per signal output saturation voltage: dc 1.5 v or les s input signals all active low input (with photocoupler isolation) maximum applied voltage: 30 v high level voltage: from dc 15 v to 30 v, or open low level voltage: dc 5 v or less (-6 ma typ.) ext sw : input signals (contact input) start, stop, sw.en (external switch terminal enable ) output signals led activation signal (maximum load current: 40 ma) contact check low: a break in the lead is determined to have occurred when the check current is not detected. high: a break in the lead is determined to have occurred when the contact check measurement voltage falls outside the range defined by the upper and lower thresholds. (connectors are locked in place as shown on the left to prevent the leads from being disconnected.) gp-ib (option) enables remote control. rear panel voltage output terminals the rear panel terminals are connected at all times to the front terminals. when embedding the 3174 hitester inside an automatic tester, connections can be made via the rear panel terminals. 3 the 3174 lets you set independent test conditions including test voltage for withstanding voltage and insulation resistance testing , and you can perform these tests continuously. press the w i key to automatically perform withstanding voltage followed by insulation resistance tests, or press the i w key to automatically perform insulation resistance followed by withstanding voltage tests. continuous full-auto withstanding voltage and insulation resistance testing signal input from an external device such as an automatic tester can be used to disable output and prevent testing, ensuring safety during automatic testing and other uses. interlock function an or operation applied to various enabled conditions determines whether relay terminal output is turned on. devices such as the 9616 warning lamp can be connected. 1. h.v.on output voltage generation 2. test testing in progress 3. pass pass state 4. fail fail state 5. int.lock interlocked state 6. ready ready state 7. ext.cont . under external control 8. power.on when the 3174 is on * requires an additional pair of 9615 high-voltage test leads . safe, automated operation safe safe, automated operation convenient
head office : 81 koizumi, ueda, nagano, 386-1192, japan tel +81-268-28-0562 / fax +81-268-28-0568 e-mail: os-com@hioki.co.jp hioki usa corporation : 6 corporate drive, cranbury, nj 08512 usa tel +1-609-409-9109 / fax +1-609-409-9108 e-mail: hioki@hiokiusa.com distributed by all information correct as of jun. 4, 2008. all specifcations are subject to change without notice. 3174e2-86b hioki (shanghai) sales & trading co., ltd. : 1904 shanghai times square offce, 93 huai hai zhong road shanghai, p.r.china postcode: 200021 tel +86-21-6391-0090/0092 fax +86-21-6391-0360 e-mail: info-sh@hioki.cn beijing offce : a-2602 freetown, 58 dong san huan nan road beijing, p.r.china postcode: 100022 tel +86-10-5867-4080/4081 fax +86-10-5867-4090 e-mail: info-bj@hioki.cn guangzhou offce : room 303, proft plaza, no.76, west huangpu road guangzhou, p.r.china postcode: 510623 tel +86-20-38392673/2676 fax +86-20-38392679 e-mail: info-gz@hioki.cn 4 electric safety testing software 9267 (available soon) single-hand remote control 9613 two-hand remote control 9614 high-voltage test leads 9615 warning lamp (ac100v,0.1a) 9616 rs-232c cable (9-pin to 9-pin/cross/1.8 m) 9637 rs-232c cable (9-pin to 25-pin/cross/1.8 m) 9638 gp-ib connecting cable (2 m) 9151-02 ac automatic insulation/withstanding hitester 3174 withstanding voltage testing test voltage output voltage : ac 0.2 to 5 kv (50/60 hz), single-range output voltage output method : pwm switching method (0 v start; voltage can be changed while generating output) voltage specification method : digital (setting resolution: 0.01 kv) output voltage accuracy : 1.5% of setting 20 v maximum rated output : ac 100 va (5 kv/20 ma) continuous rating transformer capacity : 100va voltmeter : true effective value display digital meter: ac 0 kv to 5.00 kv accuracy: 1.5% rdg (1,000 v or less, 15 v) output waveform : sine wave voltage change rate : 15% or less (converges to setting within 1 s during change from maximum rated load to no load) distortion factor : 5% or less (tester impedance during measurement with 5 kv output under 40 m load) frequency : 50/60hz (0.2%) current detection current measurement range : 0.01 ma to 20 ma (2 ranges) measurement range : 10ma/20ma indicated value : true effective value display measurement ranges and resolutions : 0.00 ma to 10.00 ma, 0.01 ma (10 ma range) 0.0 ma to 20.0 ma, 0.1 ma (20 ma range) measurement accuracy : 2% rdg 0.05 ma (10 ma range) 2% rdg 0.5 ma (20 ma range) general specifications display : fluorescent display tube (digital display) monitor functions : output voltage, detected current, insulation resistance monitor period : 2 times per second, minimum operating temperature range : 0c to 40c, 80% rh or less (non-condensing) storage temperature range : -10c to 50c, 90% rh or less (non-condensing) temperature and humidity range for guaranteed accuracy : 23 5c, 80% rh or less (non-condensing) (with warm-up period of at least 10 min) guaranteed accuracy term : 1 year operating environment : indoors at elevations of up to 2,000 m at a pollution level of 2 supply voltage : ac 100 to 240 v designed to tolerate voltage fluctuations of 10% of the rated supply voltage. power supply frequency : 50hz/60hz withstanding voltage : power supply to chassis: 1.39 kv at 10 ma for 15 s maximum rated power : 200va dimensions : approx. 320 (w) 155 (h) 395 (d) mm (excluding protruding parts) weight : approx. 15 kg applicable standards : emc: en61326 class a, en61000-3-2, en61000-3-3, safety: en61010-1 included accessories : high-voltage test leads 9615 (1 each high-voltage and return), power cord, disconnection prevention plate timers setting range : 0.3 to 999 s operation : when set to on: display counts down from the set time after start. when set to off: display indicates time elapsed since start. setting resolution/accuracy : 0.1 s (0.3 to 99.9 s) 50 ms 1 s (100 to 999 s) 0.5 s ramp timers (withstand voltage testing) setting range : 0.1 to 99.9 s: ramp-up and ramp-down can be set independently. operation : ramp-up: the output voltage increases linearly from the initial voltage to the test voltage over the ramp-up time. ramp-down: the output voltage decreases from the set voltage to 0 v over the ramp-down time after the test time elapses, and the display counts down from the set time. *the actual ramp-up waveform varies with the load due to the analog response delay. setting resolution : 0.1s delay timers (insulation resistance testing) setting range : 0.1 to 99.9 s setting resolution : 0.1s decision function decision method : window comparison method with upper and lower bound settings (digital specification) decision results : upper-fail: the measured current (measured insulation value) exceeded the specified upper threshold. pass: the measured current (measured insulation value) fell within the range defined by the specified upper and lower thresholds. lower-fail: the measured current (measured insulation value) was less than the specified lower bound. upper lower-fail: a testing error occurred, for example due to a failure to generate the set voltage. decision processing : display, buzzer, and ext i/o signal output is generated according to each decision result. setting range : ac withstanding voltage: 0.1 to 20.0 ma (upper threshold), 0.1 to 19.9 ma (lower threshold) dc insulation: 0.2 to 2,000 m (500 v) or 1.0 to 2,000 m (1,000 v) for both upper and lower thresholds setting resolution : ac withstanding voltage: 0.1 ma dc insulation: 0.01 m (0.2 to 2.00 m), 0.1 m (2.10 to 20.0 m), 1 m (21.0 to 200 m), 10 m (210 to 2,000 m) insulation resistance measurement test voltage rated voltage : dc 500 v/1,000 v (positive polarity) unloaded voltage : 1 to 1.2 times rated voltage rated measurement current : 1 to 1.2 ma short-circuit current : 4 to 5 ma (500 v), 2 to 3 ma (1,000 v) measurement range : 0.2 to 2,000 m (500 v), 0.5 to 2,000 m (1,000 v) guaranteed accuracy ranges/accuracies : 0.5 to 999 m (500 v), 1 m to 999 m (1,000 v): 4% rdg 1,000 m to 2,000 m: 8% rdg measurement resolution : 0.01 m (0.20 m to 19.9 m) 0.1 m (20.0 m to 199.9 m), 1 m (200 m to 2,000 m) measured resistance ranges : 2 m, 20 m, 200 m, 2,000 m (500 v) 4 m, 40 m, 400 m, 2,000 m (1,000 v) ac automatic insulation/withstanding hitester 3174 ac automatic insulation/withstanding hitester 3174-01 (gp-ib model) model contact check voltmeter accuracy : detection method: average value detection/effective value conversion accuracy: setting 50 v *inaccuracy may increase when the waveform is distorted. decision results : enables the contact check function (does not increase cycle time). low: a break in the lead is determined to have occurred when the check current is not detected. high: upper and lower thresholds for the check detection voltage can be set. a break in the lead is determined to have occurred when the contact check measurement voltage falls outside the range defined by the upper and lower thresholds. voltage setting range : withstanding voltage testing: 0.20 kv to 5.0 kv (0.01 kv resolution; applies to both upper and lower thresholds)insulation resistance measurement: upper threshold of 600 v and lower threshold of 500 v (during 500 v measurement); upper threshold of 1,200 v and lower threshold of 1,000 v (during 1,000 v measurement) (both fixed) options
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